tenaska-energy-inc-tenaska-energy-holdings-llc-tenaska-cleburne-llc ( 2014 )


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  •                 IN THE SUPREME COURT OF TEXAS
    444444444444
    NO. 12-0789
    444444444444
    TENASKA ENERGY, INC., TENASKA ENERGY HOLDINGS, LLC, TENASKA
    CLEBURNE, LLC, CONTINENTAL ENERGY SERVICES, INC., AND ILLINOVA
    GENERATING COMPANY, PETITIONERS,
    v.
    PONDEROSA PINE ENERGY, LLC, RESPONDENT
    4444444444444444444444444444444444444444444444444444
    ON PETITION FOR REVIEW FROM THE
    COURT OF APPEALS FOR THE FIFTH DISTRICT OF TEXAS
    4444444444444444444444444444444444444444444444444444
    Argued January 7, 2014
    JUSTICE GUZMAN delivered the opinion of the Court.
    Evident partiality of an arbitrator is a ground for vacating an arbitration award under both
    the Federal Arbitration Act and the Texas Arbitration Act. Adhering to United States Supreme
    Court precedent, we held almost two decades ago that a neutral arbitrator is evidently partial if she
    fails to disclose facts that might, to an objective observer, create a reasonable impression of her
    partiality. And we have held that a party does not waive an evident partiality challenge if it proceeds
    to arbitrate without knowledge of the undisclosed facts.
    Today, we are asked to evaluate these standards in light of a partial disclosure. Here, the
    neutral arbitrator in question disclosed that the law firm representing one party to the arbitration had
    recommended him as an arbitrator in three other arbitrations. He also disclosed that he was a
    director of a litigation services company and attended a meeting at the law firm, but there was no
    indication the firm and company would ever do business. The trial court found the arbitrator failed
    to disclose that all of his contacts at the 700-lawyer firm were with the two lawyers that represented
    the party to the arbitration at issue; he owned stock in the litigation services company that was
    pursuing business opportunities with the firm; he served as the president of the company’s United
    States subsidiary; he conducted significant marketing in the United States for the company; he had
    additional meetings or contacts with the two lawyers in question to solicit business from the firm
    for the company; and he allowed one of the two lawyers to edit his disclosures to minimize the
    contact. The trial court vacated the arbitration award, but the court of appeals reversed, concluding
    the party waived its evident partiality claim by failing to object or inquire further when the
    disclosures occurred. We hold the failure to disclose this additional information might yield a
    reasonable impression of the arbitrator’s partiality to an objective observer. We further hold that
    because the party making the evident partiality challenge was unaware of the undisclosed
    information, it did not waive the claim. Accordingly, we reverse the court of appeals’ judgment and
    reinstate the trial court’s order vacating the award and requiring a new arbitration.
    I. Background
    Tenaska Energy, Inc., Tenaska Energy Holdings, LLC, Tenaska Cleburne, LLC, Continental
    Energy Services, Inc., and Illinova Generating Co. (collectively Tenaska) sold their interests in a
    power plant in Cleburne, Texas to Ponderosa Pine Energy, LLC (Ponderosa). The purchase
    agreement contained a broad arbitration clause requiring the parties to arbitrate any dispute arising
    2
    from or related to the agreement. The clause provided for a three-arbitrator panel, with each party
    selecting one arbitrator and those two arbitrators selecting the third. The parties conceded in the
    court of appeals that all three arbitrators were required to be neutral, which follows the current
    default protocol in arbitration. 
    376 S.W.3d 358
    , 361. The clause called for arbitration under the
    American Arbitration Association (AAA) rules but without AAA administration. It also contained
    a “baseball arbitration” provision, in which each party would submit a proposed settlement and the
    panel was bound to select one of the two proposals.
    After the transaction closed, the parties disputed whether the agreement required Tenaska
    to indemnify Ponderosa for breaching certain representations and warranties in the agreement.
    Ponderosa demanded arbitration and sought more than $200 million in indemnity rights. Lawyers
    from Nixon Peabody LLP’s New York office represented Ponderosa, which designated Samuel A.
    Stern as its arbitrator. Stern’s curriculum vitae was attached to his designation, which indicated he
    was a director of twelve closely held companies with third-world involvement—including a
    company in India named LexSite.1
    At the time, the AAA Commercial Arbitration Rules provided:
    Any person appointed or to be appointed as an arbitrator shall disclose . . . any
    circumstance likely to give rise to justifiable doubt as to the arbitrator’s impartiality
    or independence, including any bias or any financial or personal interest in the result
    of the arbitration or any past or present relationship with the parties or their
    representatives. Such obligation shall remain in effect throughout the arbitration.
    1
    Stern later testified that he served on LexSite’s advisory board but was not a director, as his curriculum vitae
    indicated.
    3
    Stern disclosed that Nixon Peabody had designated him as an arbitrator in three other
    proceedings, and that he—on behalf of LexSite—had a discussion at Nixon Peabody’s offices about
    Nixon Peabody outsourcing litigation discovery tasks to LexSite. But the disclosures noted that
    “Nixon-Peabody and Lexsite have done no business, and it is not clear that Nixon-Peabody would
    ever have any business to give Lexsite.” In response, Tenaska asked if Stern had a relationship with
    any of the sixteen bank entities that own Ponderosa, and Stern replied that he had no such
    relationships.
    Tenaska designated Thomas S. Fraser as its arbitrator, and Fraser and Stern selected James
    A. Baker2 as the third arbitrator. Tenaska asked Baker the same question it asked Stern, and Baker
    replied that his firm had represented some of the banks that own Ponderosa. At Baker’s suggestion,
    the panel issued a scheduling order that contained a provision stating the parties had made full
    disclosures of actual and potential conflicts and knowingly waived actual and potential conflicts of
    interest. After extensive discovery, Ponderosa proposed a $125 million settlement and Tenaska
    proposed a $1.25 million settlement. A divided panel composed of Baker and Stern selected
    Ponderosa’s $125 million settlement amount.
    Ponderosa moved to confirm the award in state district court, and Tenaska moved to vacate
    it, asserting that Stern was neither impartial nor free from bias. After extensive discovery, the trial
    court held a hearing on the motions, where the parties admitted almost 500 exhibits. Those exhibits
    included the depositions of Stern, as well as Frank Penski and Constance Boland—the two lawyers
    at Nixon Peabody who represented Ponderosa.
    2
    The late James A. Baker formerly served as a Justice on this Court.
    4
    The evidence showed that Stern was on the advisory board for LexSite, a legal outsourcing
    company in India that was seeking to obtain business from law firms in the United States. Stern
    gave LexSite business and legal advice, and owned 3,000 shares of LexSite stock. He was given
    options for an additional 10,000 shares, which he had not exercised. Stern contacted Penski in April
    2006 to discuss the possibility of Nixon Peabody using LexSite’s services. Stern arranged for
    Penski to meet LexSite’s CEO that month. At the subsequent May 3 meeting at Nixon Peabody that
    Stern did disclose, he made several remarks, mostly asking the firm’s associates for their
    impressions of performing discovery work. After the meeting concluded, Stern told Penski “if you
    have any arbitrations that would be fun, keep me in mind.”
    On June 16, Penski asked Stern to serve as a neutral party arbitrator in a matter involving
    Ada Co-Generation. Stern responded by accepting the appointment and asked if there was “[a]ny
    movement there” with LexSite. Penski replied that he had talked to numerous partners at Nixon
    Peabody in an effort to find something to send to LexSite but had “no luck so far.” On the
    suggestion of Boland, another Nixon Peabody partner recommended Stern as an arbitrator in another
    arbitration on June 19. And on June 26, Penski recommended Stern as an arbitrator in this matter.
    Boland later edited Stern’s disclosures in two ways. First, she added the Ada-Cogeneration
    arbitration. Second, she added the disclaimer that “Nixon-Peabody and Lexsite have done no
    business, and it is not clear that Nixon-Peabody would ever have any business to give Lexsite.”
    After the parties agreed on the arbitrators, the scheduling order of October 23 established a
    waiver of conflicts. Three days later, Nixon Peabody changed its fee agreement with Ponderosa
    5
    from an hourly rate to a contingency fee of 15% of the first $50 million and 12.5% of any amount
    over $50 million.
    LexSite later changed its name to Exactus. Stern incorporated Exactus U.S. and was the
    chairman of its board.3 Stern charged LexSite $1,000 for use of his office and $5,000 per month
    for services. He also met with LexSite’s CEO twice a month to discuss such topics as marketing.
    LexSite’s CEO continued to correspond with Boland during the arbitration. Boland informed
    LexSite’s CEO in April 2007 that “we need to wait about one more month or so until we can
    continue our discussions. Would you be so kind as to send an email to me again on or about May
    15?” LexSite’s CEO agreed and noted he had recently met a lawyer from Nixon Peabody’s Boston
    office, who Boland responded was “a good person to know and we can include him, or one of his
    team, in our meetings later on.” On May 7, the panel issued its opinion and award. LexSite’s CEO
    contacted Boland again at the end of May.
    After the hearing on the motions, the trial court granted Tenaska’s motion to vacate the
    award on the ground that Stern exhibited evident partiality due to “a calculated, deliberate attempt
    to minimize the relationship” between Stern and Penksi and Boland. Specifically, the trial court held
    that Stern did not disclose additional information it summarized as follows:
    When viewed in the totality of circumstances, including the fact that Arbitrator Stern
    failed to disclose that his contact[s] with Nixon Peabody were all with Mr. Penski
    or Ms. Boland, failed to disclose additional meetings or contacts regarding Lexsite
    with Ponderosa[]’s counsel, failed to disclose the true extent of his ties to Lexsite and
    his activities for Lexsite, and allowed Ponderosa[]’s counsel to modify his
    3
    For ease of reference, this opinion will refer to LexSite throughout, even during the time LexSite had
    reorganized as Exactus.
    6
    disclosures in a way that minimized the contact, . . . Stern’s disclosures were
    intentionally incomplete and inaccurate.4
    The trial court concluded that the Nixon Peabody/LexSite relationship was material rather than
    trivial and the undisclosed information might yield a reasonable impression that Stern was not
    impartial. Accordingly, the trial court granted the motion to vacate the arbitration award.5
    The court of appeals 
    reversed. 376 S.W.3d at 360
    . It held that Stern’s disclosures regarding
    LexSite and the Ada Co-Generation arbitration were sufficient to put Tenaska on notice of potential
    partiality to require Tenaska to object or seek additional information. 
    Id. II. Discussion
    Our standard of review in this proceeding is a familiar one. Here, the trial court made
    findings of fact regarding material information Stern failed to disclose and concluded the
    nondisclosures rendered Stern evidently partial. We defer to unchallenged findings of fact that are
    supported by some evidence. McGalliard v. Kuhlmann, 
    722 S.W.2d 694
    , 696–97 (Tex. 1986). But
    in determining what the law is and applying the law to the facts, a trial court has no discretion. Huie
    v. DeShazo, 
    922 S.W.2d 920
    , 927–28 (Tex. 1996) (orig. proceeding). Thus, we determine whether
    the information the trial court found that Stern failed to disclose is supported by some evidence and
    4
    The trial court also found that Stern’s statements made in selecting the third arbitrator and during the
    arbitration and his failure to disclose certain bank relationships did not indicate Stern’s evident partiality. Tenaska
    contends in this Court that Stern’s statements also support a finding of evident partiality. As explained below, we agree
    with the trial court that Stern’s failure to disclose the extent of his relationships with LexSite, Penksi, and Boland
    demonstrate evident partiality. Accordingly, we need not assess whether additional statements also demonstrate evident
    partiality.
    5
    The trial court denied the motion to vacate on the grounds that (1) Ponderosa’s counsel procured the award
    by corruption, fraud, or undue means; (2) the arbitrators acted in manifest disregard of the law; and (3) the arbitrators
    exceeded their power in amending the terms of the purchase agreement.
    7
    review de novo whether that undisclosed information demonstrates Stern’s evident partiality. Id.;
    
    McGalliard, 722 S.W.2d at 696
    –97.
    A. Evident Partiality
    The parties agree the Federal Arbitration Act (FAA) governs this case and allows courts to
    vacate arbitration awards “where there was evident partiality.” 9 U.S.C. § 10(a)(2). The United
    States Supreme Court has observed that “these provisions show a desire of Congress to provide not
    merely for any arbitration but for an impartial one.” Commonwealth Coatings Corp. v. Cont’l Cas.
    Co., 
    393 U.S. 145
    , 147 (1968). In Commonwealth Coatings, a subcontractor sued a prime
    contractor’s surety, and the neutral third arbitrator failed to disclose he obtained approximately
    $12,000 in business from the prime contractor over a four to five year period (but had done no
    business with the contractor in the year preceding the arbitration). 
    Id. at 146.
    The Court likened
    arbitrator impartiality to the impartiality the constitution requires of judges, and observed that even
    the slightest pecuniary interest in an arbitration could be grounds to set aside the award. 
    Id. at 148.
    Although it recognized arbitrators are not expected to sever their ties with the business world, the
    Court concluded it must be scrupulous in safeguarding the impartiality of arbitrators because they
    “have completely free rein to decide the law as well as the facts and are not subject to appellate
    review.” 
    Id. at 148–49.
    To further that goal, the Court imposed “the simple requirement that
    arbitrators disclose to the parties any dealings that might create an impression of possible bias.” 
    Id. at 149.6
    Despite the fact that the Court found no evidence of actual bias, it found the arbitrator
    6
    As Justice White explained in his concurrence:
    The arbitration process functions best when an amicable and trusting atmosphere is preserved
    8
    evidently partial due to his failure to disclose his relationship with the prime contractor, justifying
    vacatur of the award. 
    Id. at 146–47,
    150.
    We addressed evident partiality in Burlington Northern Railroad Co. v. TUCO Inc., where
    we held that under Commonwealth Coatings, a neutral arbitrator exhibits evident partiality “if the
    arbitrator does not disclose facts which might, to an objective observer, create a reasonable
    impression of the arbitrator’s partiality.” 
    960 S.W.2d 629
    , 630 (Tex. 1997).7 And “while a neutral
    arbitrator need not disclose relationships or connections that are trivial, the conscientious arbitrator
    should err in favor of disclosure.” 
    Id. at 637.
    There, TUCO Inc. and two carriers arbitrated a
    dispute over a rate adjustment in their contracts. 
    Id. at 630.
    Unlike the present case (which follows
    the current default protocol to require impartiality or neutrality of all three arbitrators), only the third
    arbitrator in TUCO was required to be neutral. 
    Id. The parties
    agreed to a neutral third arbitrator,
    George Beall, after he disclosed he had twice served as an expert witness for the law firm of the
    carriers’ arbitrator.8 
    Id. Those matters
    had concluded and involved a relatively small amount of
    time and fees. 
    Id. and there
    is voluntary compliance with the decree, without need for judicial enforcement. This end
    is best served by establishing an atmosphere of frankness at the outset, through disclosure by the
    arbitrator of any financial transactions which he has had or is negotiating with either of the parties. . . .
    [I]t is far better that the relationship be disclosed at the outset, when the parties are free to reject the
    arbitrator or accept him with knowledge of the relationship and continuing faith in his objectivity . . . .
    Commonwealth 
    Coatings, 393 U.S. at 151
    (White, J., concurring).
    7
    Though TUCO involved an agreement under the Texas Arbitration Act (TAA), the TAA also requires courts
    to vacate awards if there has been “evident partiality by an arbitrator appointed as a neutral arbitrator.” TEX. CIV. PRAC.
    & REM. CODE § 171.088(a)(2)(A).
    8
    The evident partiality standard the Supreme Court announced in Commonwealth Coatings, which we followed
    in TUCO, applies in the context of party appointed arbitrators. See 
    TUCO, 960 S.W.2d at 637
    . We need not decide what
    standard applies when an arbitration agreement does not allow parties the ability to select arbitrators.
    9
    Approximately three weeks before the arbitration hearing, a lawyer at the firm employing
    the carriers’ arbitrator assisted in obtaining a referral on a substantial litigation matter for Beall. 
    Id. at 631.
    There was no contention that the carriers’ arbitrator knew of the referral or that the lawyer
    who assisted with the referral knew of the arbitration. 
    Id. But the
    neutral arbitrator mentioned to
    the carriers’ arbitrator at a subsequent meeting that “we’ve already begun work on the matter you
    folks were so kind to send over.” 
    Id. TUCO contended
    the undisclosed referral rendered Beall
    evidently partial, and we agreed. 
    Id. at 630,
    632, 639–40.
    We observed that inherent in the arbitration process are two principles that are often in
    tension: expertise and impartiality. 
    Id. at 635.
    Parties may prefer to resolve disputes through
    arbitration because they may choose arbitrators with extensive experience in the field related to the
    dispute. 
    Id. But this
    heightened experience level may well result in an arbitrator having had
    previous business dealings with a party. 
    Id. And while
    these dealings should not disqualify the
    arbitrator per se, disclosing the information can help the parties attain the impartiality they seek by
    evaluating potential bias at the outset of the arbitration. 
    Id. This approach
    also preserves the
    independence and integrity of arbitration by allowing a party to assess potential bias before
    arbitrating rather than having a trial court weigh bias when a dissatisfied party challenges an award.
    
    Id. at 635–36.9
    Accordingly, TUCO makes clear that “evident partiality is established from the
    nondisclosure itself, regardless of whether the nondisclosed information necessarily establishes
    9
    See Commonwealth 
    Coatings, 393 U.S. at 151
    (White, J., concurring) (“The judiciary should minimize its role
    in arbitration as judge of the arbitrator’s impartiality. That role is best consigned to the parties, who are the architects
    of their own arbitration process, and are far better informed of the prevailing ethical standards and reputations within
    their business.”).
    10
    partiality or bias.” 
    Id. at 636.
    Whether the undisclosed information actually establishes partiality
    or bias is a matter “better left to the parties.” 
    Id. We held
    in TUCO that the referral “might have conveyed an impression of Beall’s partiality
    to a reasonable person.” 
    Id. at 637.
    Notwithstanding the fact that the lawyer who suggested the
    referral was unaware of the arbitration and the carrier’s arbitrator was unaware of the referral, we
    concluded that an objective observer could reasonably believe that Beall, grateful for the referral,
    would favor the firm and thus ultimately favor the carriers in the arbitration. 
    Id. In short,
    the standard for evident partiality in Commonwealth Coatings and TUCO requires
    vacating an award if an arbitrator fails to disclose facts which might, to an objective observer, create
    a reasonable impression of the arbitrator’s partiality, but information that is trivial will not rise to
    this level and need not be disclosed. Commonwealth 
    Coatings, 393 U.S. at 149
    ; 
    TUCO, 960 S.W.2d at 630
    , 637.
    We next apply the standard for evident partiality to these facts. Tenaska asserts the
    information the trial court found Stern did not disclose (which Ponderosa does not challenge on
    appeal) might create a reasonable impression of partiality to an objective observer because the extent
    of Stern’s relationship with LexSite and Nixon Peabody were more significant and concerning than
    what he disclosed. Ponderosa counters that, unlike in Commonwealth Coatings and TUCO, Stern
    disclosed every relationship Tenaska now complains of. We agree with Tenaska.
    Stern disclosed that Nixon Peabody recommended him to three arbitrations in addition to the
    one at issue, and he met with Nixon Peabody on behalf of LexSite about outsourcing litigation
    discovery tasks, but stated that “Nixon-Peabody and Lexsite have done no business, and it is not
    11
    clear that Nixon-Peabody would ever have any business to give Lexsite.” The trial court found that
    Stern did not disclose additional information, and our review of the record confirms this additional
    information is supported by some evidence:
    1.         Stern was a shareholder in LexSite and had the option to purchase additional shares;10
    2.         When LexSite changed its name to Exactus, Stern incorporated Exactus U.S. and served as
    its President;11
    3.         The address and telephone number for Exactus U.S. were Stern’s business address and
    telephone number;12
    4.         Stern met with LexSite’s CEO twice a month to discuss such topics as marketing;13
    5.         Stern’s contacts with the 700-lawyer firm of Nixon Peabody were with Penksi and Boland;
    6.         In addition to the May 2006 meeting Stern disclosed, there was a second, earlier meeting in
    April 2006 for LexSite to solicit business from Nixon Peabody;14
    7.         The two meetings resulted from phone calls by Stern to Penski;
    8.         Ten days after Stern emailed Penski to inquire whether there was “any movement” on Nixon
    Peabody plans to use LexSite, Ponderosa appointed Stern as arbitrator;
    10
    Stern testified that he purchased 3,000 shares of LexSite stock and was given stock options for an additional
    10,000 more shares but refused to exercise them.
    11
    Stern testified that he served as Chairman of the Board of Exactus U.S. and was thus the principal U.S.
    officer.
    12
    Stern testified that he charged LexSite $1,000 for use of his office and $5,000 per month for services.
    13
    Stern testified that he met with LexSite’s CEO approximately twice a month from 2006 through the time of
    his deposition in November 2007.
    14
    Stern testified that the meeting was to introduce Penski to LexSite’s CEO.
    12
    9.       Penski and Boland also recommended or assisted with getting Stern recommended as
    arbitrator in three proceedings just after the May 2006 meeting;
    10.      LexSite’s CEO (not Stern) contacted Penski and Boland at least twice from November 2006
    to April 2007 to discuss possible LexSite business with Nixon Peabody;
    11.      Boland edited Stern’s disclosures, including the addition of the sentence “Nixon-Peabody
    and Lexsite have done no business, and it is not clear that Nixon-Peabody would ever have
    any business to give Lexsite.”
    Ponderosa does not challenge these findings of fact on appeal, and they are binding on us as they
    are supported by some evidence. 
    McGalliard, 722 S.W.2d at 696
    –97.15
    When we examine this undisclosed information together against what Stern actually
    disclosed,16 we conclude the information is not trivial and might have conveyed an impression of
    Stern’s partiality toward Penski and Boland’s client to a reasonable person. The parties do not
    dispute that—beyond what he disclosed—Stern owned shares of LexSite, was being paid for office
    space and services given to LexSite, marketed LexSite in the United States, was actively soliciting
    business for LexSite from Nixon Peabody (specifically through Penski and Boland), and discussed
    in communications with Penski regarding the arbitrations the possibility of LexSite and Nixon
    15
    The trial court also found that Stern failed to disclose that Ponderosa’s parent company was the parent
    company of Ada Co-Generation, which Nixon Peabody recommended Stern to arbitrate a dispute for. Because Stern’s
    nondisclosures regarding his relationship with Penski and Boland via LexSite constitute evident partiality, we need not
    also address whether the nondisclosures regarding the Ada Co-Generation arbitration constitute evident partiality.
    16
    Ponderosa asserts that in cases such as this where part but not all of a relationship is disclosed, a reviewing
    court should assess not only the information that was withheld but also the information that was disclosed. We agree,
    and this concern is part of the basis for our holding in TUCO that “trivial” information need not be 
    disclosed. 960 S.W.2d at 637
    . Whether undisclosed information in a partial disclosure situation is trivial should involve comparing the
    undisclosed information to the disclosed information.
    13
    Peabody doing business. Taken together, this undisclosed information might cause a reasonable
    person to view Stern as being partial toward Penski and Boland’s client, Ponderosa, to gain their
    favor in securing business for LexSite from Nixon Peabody. And when compared to the information
    Stern did disclose (that Nixon Peabody recommended him for four arbitrations and he attended one
    meeting between LexSite and Nixon Peabody), we cannot say this undisclosed information is trivial.
    Accordingly, Stern’s failure to disclose the extent of his relationship with LexSite and his attempts
    to secure business for LexSite from Nixon Peabody through Penski and Boland demonstrate evident
    partiality and support the trial court’s vacatur of the award. See Commonwealth 
    Coatings, 393 U.S. at 149
    ; 
    TUCO, 960 S.W.2d at 630
    , 636.
    Ponderosa contends that disclosure of each relationship suffices under Commonwealth
    Coatings and TUCO. But if disclosing each relationship were sufficient, the Supreme Court in
    Commonwealth Coatings and this Court in TUCO would have simply established that threshold as
    the operative test. Instead, the test for evident partiality asks whether the undisclosed “information”
    might convey an impression of the arbitrator’s partiality to an objective observer. 
    TUCO, 960 S.W.2d at 635
    –36 (also referring to disclosing “any dealings” and “facts” that might convey an
    impression of partiality). Adopting Ponderosa’s reformulation of the test would serve to encourage
    partial disclosures. Such a standard for evident partiality negates the Supreme Court’s directive to
    be “scrupulous to safeguard the impartiality of arbitrators” in a process not subject to appellate
    review. Commonwealth 
    Coatings, 393 U.S. at 149
    .
    Finally, both parties argue we should revisit our holding in TUCO. Tenaska asserts that if
    a court finds disclosures intentionally misleading, evident partiality is established and the inquiry
    14
    ends. But the standard articulated in Commonwealth Coatings and TUCO is an objective one
    (involving what an objective observer might think). See Mariner Fin. Grp., Inc. v. Bossley, 
    79 S.W.3d 30
    , 32 (Tex. 2002). And although intent may be relevant to establishing actual bias or
    partiality, we made clear in TUCO that evident partiality is established from the nondisclosure 
    itself. 960 S.W.2d at 636
    . A party need not prove actual bias to demonstrate evident partiality. 
    Id. Ponderosa asks
    us to adopt the more deferential standard some other courts have employed
    to only set aside an award for evident partiality if a “reasonable person would have to conclude that
    [the] arbitrator was partial.” Morelite Constr. Corp. v. N.Y.C. Dist. Council Carpenters Benefit
    Funds, 
    748 F.2d 79
    , 84 (2d Cir. 1984) (emphasis added). As support, Ponderosa contends that
    adhering to the TUCO standard will encourage private investigation by parties that lose in arbitration
    and require trial courts to more frequently vacate awards. We note that when we adopted the
    Supreme Court’s “full disclosure” rule in TUCO, we addressed a similar assertion by one of the
    
    parties. 960 S.W.2d at 637
    . We observed that requiring full disclosure minimizes the role of the
    courts and, “[i]f faithfully adhered to, it will ultimately lead to fewer post-decision challenges to
    awards based on bias or prejudice.” 
    Id. As this
    is only the second time we have addressed evident
    partiality in the intervening seventeen years since we decided TUCO, our prediction rings true. See
    
    Bossley, 79 S.W.3d at 30
    . We cannot agree with Ponderosa’s contention that “a losing arbitral party
    would seize on every undisclosed detail as a material omission” because trivial information will not
    meet the standard we articulated in 
    TUCO. 960 S.W.2d at 637
    .
    Accordingly, we decline Tenaska’s request to adopt an intent-based approach to evident
    partiality and Ponderosa’s request to heighten the evident partiality standard we established in
    15
    TUCO. Stern’s failure to disclose information that might lead an objective observer to question his
    partiality establishes his evident partiality.
    B. Waiver
    Ponderosa contends that Tenaska nonetheless waived its complaint as to Stern’s partiality
    by proceeding with Stern after he disclosed each relationship at issue and agreeing to a waiver of
    conflicts in a scheduling order in the arbitration. Tenaska responds that it did not waive a conflict
    it was unaware of. The court of appeals agreed with Ponderosa, but we agree with Tenaska.
    Our jurisprudence on waiver of an evident partiality challenge demonstrates that a party may
    waive such a challenge by proceeding to arbitrate based on information it knows. In TUCO, the
    neutral third arbitrator disclosed having previously served as an expert witness on two matters for
    the law firm that employed the carriers’ 
    arbitrator. 960 S.W.2d at 638
    . TUCO consented to the
    arbitrator, who did not disclose the firm assisted with obtaining a referral for him during the course
    of the arbitration. 
    Id. at 637-38.
    The carriers argued that TUCO’s consent after full disclosure of
    the expert witness matters amounted to waiver. 
    Id. at 638.
    We rejected that assertion, concluding
    that “it is for the parties to determine, after full disclosure, whether a particular relationship is likely
    to undermine an arbitrator’s impartiality.” 
    Id. We also
    observed that an objective observer might
    differentiate between a past relationship (such as the expert witness matters) and one that arises
    shortly before or during the arbitration (such as the referral). 
    Id. Likewise, we
    addressed waiver of an evident partiality challenge in 
    Bossley, 79 S.W.3d at 33
    . There, after the arbitration award was issued, one party’s witness discovered that she had
    testified at a deposition two-and-a-half years before that the attorney who chaired the arbitration
    16
    panel had committed malpractice. 
    Id. at 31–32.
    When the party moved to vacate the award, the
    opposing party asserted they waived their evident partiality challenge by not raising it before
    submission. 
    Id. at 32–33.
    We disagreed, holding that they “could not waive an objection that is
    based on a prior adverse relationship . . . they knew nothing about.” 
    Id. at 33.
    Likewise, the
    concurrence in Bossley observed that “[t]here could be waiver of evident partiality based on
    nondisclosure if the complaining party knew all the facts before the arbitration concluded and did
    not complain.” 
    Id. at 36
    (Owen, J., concurring).
    Here, Tenaska is challenging Stern’s partiality based on the information he failed to disclose.
    Tenaska did not waive its evident partiality challenge by proceeding to arbitration based upon
    information it was unaware of at that time. 
    Bossley, 79 S.W.3d at 33
    ; 
    TUCO, 960 S.W.2d at 638
    .
    To hold otherwise “would put a premium on concealment” in a context where the Supreme Court
    has long required full disclosure. Middlesex Mut. Ins. Co. v. Levine, 
    675 F.2d 1197
    , 1204 (11th Cir.
    1982). And we do not share Ponderosa’s fear that our adherence to Commonwealth Coatings,
    TUCO, and Bossley will result in vacating a host of arbitration awards even when a party had reason
    to know of a potential conflict. If waiver cannot be predicated on undisclosed information, that
    information must nonetheless be more than trivial to satisfy the standard for evident partiality in
    Commonwealth Coatings and TUCO.
    Similarly, Tenaska did not waive its partiality challenge in the scheduling order’s waiver of
    conflicts provision because that provision was expressly predicated on a full disclosure that never
    occurred. The clause provides that Tenaska, Ponderosa,
    17
    and each member of the Panel in this Arbitration hereby confirm that, as of the date
    below, they have each: (i) fully disclosed all conflicts of interest and potential
    conflicts of interest with respect to the designation of the members of the Panel in
    this Arbitration; and (ii) knowingly waived any and all conflicts of interest and/or
    potential conflicts of interest relating to the designation of the members of the Panel
    in this Arbitration (emphasis added).
    Thus, the parties waived conflicts and potential conflicts for what was fully disclosed. We express
    no opinion as to whether parties may contractually agree to forego the full disclosure requirement.
    Because the waiver clause was conditioned on a full disclosure that did not occur, Tenaska has not
    waived its partiality challenge.
    As a final matter, we reiterate that our holding should not be read as indicating that Stern17
    was actually biased. Reasonable people could debate whether Stern’s relationship with Nixon
    Peabody was likely to affect his partiality in the arbitration. But such a debate is for the parties after
    a full disclosure—which did not occur here. See 
    TUCO, 960 S.W.2d at 638
    .
    III. Conclusion
    We have long held that an arbitrator is evidently partial, and an award may be vacated, if the
    arbitrator fails to disclose facts which might, to an objective observer, create a reasonable impression
    of the arbitrator’s partiality. 
    Id. at 630.
    As we have observed, the most capable arbitrators often
    have ties to the business community. 
    Id. at 639.
    Regardless of whether such ties demonstrate actual
    bias here, Stern’s failure to disclose the extent of his relationship with LexSite and the two lawyers
    17
    Stern clerked for Chief Justice Earl Warren before embarking on a distinguished practice of law in
    Washington, D.C.
    18
    who represented Ponderosa in this arbitration might yield a reasonable impression of the arbitrator’s
    partiality to an objective observer. Thus, Stern had a duty to disclose the additional information, and
    his failure to do so constitutes evident partiality. Accordingly, we reverse the court of appeals’
    judgment and reinstate the trial court’s order vacating the award and requiring a new arbitration.
    ____________________________________
    Eva M. Guzman
    Justice
    OPINION DELIVERED: May 23, 2014
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