Gretta Walters

Prior to joining Chaffetz Lindsey, Gretta was an Associate at Mayer Brown, Legal Counsel at the Arbitration Institute of the Stockholm Chamber of Commerce, and a Visiting Lecturer at Stockholm University.

• Dispute concerning a Mexican power solutions company in an ICC arbitration seated in Houston against a global power and energy service provider concerning leased mobile gas turbines and allegations of improper termination and O&M;
• Dispute concerning a Caribbean energy distributor in a New York-seated ICC arbitration against an LNG supplier regarding failure to deliver LNG and related force majeure claims;
• Dispute concerning a Mexican contractor and O&M manager in a Mexico City-seated ICC arbitration against the owners of several wind farms in Mexico regarding alleged defect issues under Mexican law;
• Dispute concerning a Mexican contractor and asset manager in a Mexico City-seated ICC arbitration against the owners of several solar plants in Mexico regarding alleged performance and post-M&A issues totaling over $200 million under Mexican law;
• Dispute concerning an American & European developer and manufacturer of wind energy turbines in Texas and New York litigation with a French multinational wind farm owner regarding alleged product defects under New York law;
• Dispute in multiple jurisdictions and under multiple laws concerning a Chinese equipment manufacturer against a global wind turbine OEM regarding alleged defect and non-payment issues;
• Action to obtain discovery under 28 U.S.C. Section 1782 from U.S. equipment manufacturer for German litigation against subcontract of an allegedly defective component;
• Dispute concerning three creditors seeking to enforce a Mexico-seated ICC arbitral award totaling over $40 million against Mexican state-owned entities in U.S. federal court;
• Dispute concerning termination of health care management agreements in AAA arbitration between New York-based REIT and health care facilities throughout the United States;
• Dispute concerning insurance coverage claims related to medical treatment and products liability allegations in MDL;
• Dispute concerning European developer and manufacturer of wind energy turbines in ICDR-administered arbitration with Canadian wind farm owner regarding alleged defects under New York law;
• Dispute concerning the subsidiary of a large European energy company in an ICC arbitration against a major international contractor over construction of a hydro-electric power plant in Costa Rica under New York law;
• Dispute concerning state-owned owner of a coal-fired power plant in Brazil in Stockholm-seated SCC arbitration against Chinese contractor totaling over $1 billion related to defects under Brazilian law;
• Dispute concerning a German manufacturer and American buyer in an ICDR arbitration arising from an agreement to manufacture automotive parts under New York law;
• Dispute concerning power plant in Guatemala in Singapore-seated ICC arbitration of construction / project finance claims totaling $1 billion+ concerning EPC contract termination under New York law;
• Dispute concerning alleged breach of a distribution agreement between an American supplier of home control and automation products and a Belgian distributor in an ICC arbitration under New York law;
• Dispute concerning termination of sales and marketing agreement between a Swedish technology developer and American counterparty in ICC arbitration under the laws of the United States;
• Dispute concerning a French military equipment manufacturer in an action in New York federal court to stay an ICC arbitration seated in New York pending an interim jurisdictional award in a parallel ad hoc arbitration seated in Paris;
• Dispute concerning an international investment fund lender with a Haitian borrower in ICDR arbitration regarding project finance loans;
• Dispute concerning global asset manager in an ICDR arbitration against a US hedge fund regarding compensation of former employees and executives under New York law;
• Disputes concerning global asset manager in AAA arbitrations against former employees and executives regarding compensation under New York law;
• Dispute concerning the Republic of Moldova in U.S. federal court in New York to vacate a US$27.5 million default judgment against the Republic that confirmed a Russian arbitral award dating back to the 1990’s involving an oil & gas supply contract;
• Dispute concerning two European companies seeking to enforce an LCIA arbitral award against Serbia in U.S. federal court;
• Dispute concerning a private equity firm in a New York action and before the European Court of Human Rights for losses suffered as a result of a fraud by a large Spanish fishing company;
• Dispute concerning the sale of a global private security service company between a UK-based seller and Canadian buyer involving earn-out and valuation issues in New York state court under New York law;
• Dispute concerning unfair competition claims in U.S. federal court in Pennsylvania in connection with steel tariff exemption requests and objections before the U.S. Department of Commerce under Pennsylvania law;
• Dispute concerning a secured lender in several litigations in New York state and federal courts related to lender’s use and liquidation of loan collateral under New York law;
• Dispute concerning a Brazilian bank in New York federal court in discovery proceedings (28 U.S.C § 1782) in aid of Brazilian court proceeding and in New York state court to attach assets to satisfy judgments from Brazilian courts;
• Dispute concerning a global financial institution in federal court brought by investors in residential mortgage‐backed securities under the Securities Exchange Act and state blue sky laws;
• Dispute concerning real estate developers from the Dominican Republic in federal court against a lawsuit brought by a hotel management company;
• Dispute concerning a global biopharmaceutical company in a New York state investigation under the New York False Claims Act.

• “Alter ego doctrine,” “Asymmetrical clauses,” “Assignment of arbitration agreements,” “Consent awards,“ and “Ex parte communications,” in Elgar Concise Encyclopedia of International Commercial Arbitration (Elgar, ed., forthcoming 2025).
• “Oxford Health Plans LLC v. Sutter (2013),” in U.S. Supreme Court Precedents on Arbitration (Brill, ed., 2025).
• “Climate Science: A Role to Play at Every Stage of Investment Arbitration?” in Investment Arbitration and Climate Change (Kluwer, ed., forthcoming 2024). Co-authored with Caline Mouawad.
• “The ICDR Revises Its International Dispute Resolution Procedures,“ Practice Update (May 2021).
• “Does a Partial Final Award Render a Tribunal Partially Functus Officio? New York State High Court Weighs In,” Kluwer Arbitration Blog (October 5, 2020).
• “UNCITRAL Working Group II: Does Expedited Equal Efficient?” Kluwer Arbitration Blog (September 18, 2020),  Co-authored with Erin Valentine.
• “Allocating Costs in International Arbitration: Do Alternative Fee Arrangements with Counsel Require Alternative Considerations?” in Finances in International Arbitration: Liber Amicorum Patricia Shaughnessy (forthcoming Kluwer, ed., 2019).
• “A Local Issue in An International Field: The Negative Effect of Competence-Competence in Estonia, Poland and the United States,” in Current Issues in International Arbitration, Co-Authored with Maria Teder and Ewelina Wetrys (2019).
• “Enforcement of Foreign Arbitral Awards and Judgements in New York,” Co-authored with Andreas Frischknecht and Yasmine Lahlou (Kluwer 2018).
• “Dispositive Motions in International Arbitration: A Move From ‘Can We’ To ‘Should We,’” 40 Under 40: Upcoming Issues on International Arbitration (Kluwer, ed., 2018).
• “The ICDR International Arbitration Rules,” International Arbitration in the US, Co-Authored with James Hosking (Kluwer, ed., 2017).
• “Global v. Century: Bellefonte Stops Tolling,” ARIAS U.S. Quarterly 11 (Q3/Q4 2017), Co-Authored with Peter R. Chaffetz and Steven C. Schwartz.
• “Enforcing Awards Against Non-Signatories and Non-Parties: Two Recent Decisions from the Southern District of New York,“ The Case Law Chronicle (NYIAC) (June 28, 2016).
• “Amicus Brief to the Second Circuit, U.S. Government Weighs In On Whether Sovereign Immunity Is a Defense to the Recognition of ICSID Award Against Venezuela,” NYIAC Case Law Chronicle (April 6, 2016).
• “Points of Departure: Procedural Differences Between International Arbitration and U.S. Reinsurance Arbitration,” 22 ARIAS U.S. Quarterly 22 (2015), Co-Authored with Peter R. Chaffetz, Andrew L. Poplinger.
• “Legal Counsel Sanctioned Over Lawsuit Against Arbitrator and ICC. U.S. District Court for the Southern District of New York, 13 Civ. 9044 (JGK),” 46 Revista Brasileira de Arbitragem 135, 2015 (26 November 2014).
• “Fitting a Square Peg into a Round Hole: Do Res Judicata Challenges in International Arbitration Constitute Jurisdictional or Admissibility Problems?”, 29 J. Int’l Arb. 651 (2012).
• “SCC Practice: Separate Awards for Advance on Costs, 1 January 2007-31 August 2012,” 28 Romanian Arb. J. 26 (2013).

•  “Can you HIDE the information?”, Swedish Arbitration Days 2025 (Stockholm, Sweden, January 2025).
•  “From Transactions to Disputes: Mitigating Risks in the Americas,” AIJA Americas Meeting (Montreal, Canada, January 2025).
• Cross Examination Moot 2024 (Paris, France, November 2024).
• “Proving My Case and Establishing the Substantive Law,” NYAW 2024, (New York, November 2024).
• “Best Evidence or Bad Ethics?,” ABA ILS Fall Conference (London, November 2024).
• “America at the Crossroads: Wie könnte die US-Wahl 2024 transatlantische Wirtschaftsstreitigkeiten beeinflussen?” (“America at the Crossroads: How could the 2024 U.S. election influence transatlantic economic disputes?”) (Hamburg, Germany, October 2024).
• “Alternative Energy Disputes,” AIEN Dispute Resolution in International Energy Business Conference (Houston, October 2024).
• “AI in the Future of Work: Applications in Legal,” 69th True Global Ventures Conference: Applications AI in Future of Work, Sustainability, Deep Analytics (Virtual, October 2024).
• “Global Problems: Associate, Employee, Staff 2.0 – AI and ChatGPT- From Merits To Dispute Resolution – Part II,” 62nd AIJA International Young Lawyers Congress (Madrid, Spain, September 2024).
• “Artificial Intelligence and International Arbitration,” Practicing Law Institute (PLI) International Arbitration 2024 Program (New York, June 2024).
• “Early Determination of Jurisdiction,” NYIAC Talks (New York, June 2024).
• “Litigation Boutiques in London and New York: 15 Years On,” London International Disputes Week (LIDW), (UK, June 2024).
• “Enter the Shark Tank: Judging the Most Impactful Innovations in Arbitral Practice,” AAA-ICDR-ICC-ICSID Joint Colloquium on International Arbitration, (Washington, D.C., May 2024).
• “The Use and Misuse of Artificial Intelligence in Dispute Resolution,” American Bar Association International Law Section’s Annual Conference, (Washington, D.C., May 2024).
• “Jus Mundi: Global Arbitration Intelligence at Your Fingertips,” American Arbitration Association and the International Centre for Dispute Resolution (ICDR) webinar series “Arbitration Tech Toolbox: Mastering Digital Tools for Enhancing Your Arbitration Practice” (Virtual, April 2024).
•  “Parties should not be allowed to add to or amend their claims after the first procedural order” and “Parties can agree to deviate from any provision in the arbitral rules,” 19^th Annual ICDR Y&I Coffee House Debate (Vienna, Austria, March 2024).
• “Closing Litigation Issues: Controversies Related to the Use of Escrow Agreements, Representations and Guarantees, and Price Adjustment,”  2024 International Bar Association’s M&A Latin America Conference, (Florida, March 2024).
• “When Arbitrations and Institutions’ Authority Clash,” 17th Annual International Centre for Dispute Resolution (ICDR) Practice Moot and Lecture Series, (New York, February 2024).
• “Set Aside, Recognition and Enforcement,” International Commercial Arbitration Law and Practice – A Deep Dive for American Litigators and In-House Counsel,” AAA-ICDR Foundation’s CLE Webinar, (New York, January 2024).
• “Efficient, Effective and Expeditious Resolution of Technology Disputes,” New York Arbitration Week 2023 (New York, November 2023).
• “Procedures for Asserting and Evaluating Privilege Claims in International Arbitration,” New York Arbitration Week 2023 (New York, November 2023).
• “Unlocking Opportunities: A Roadmap to a U.S. Career,” NYU-Latin American Arbitration Society (LAAS) Event (New York, November 2023).
• “Force Majeure arbitration disputes: what happens now?.” AIJA 13th Annual Arbitration Conference. Ever given, never given: Transport, Supply Chain and Arbitration (Athens, September 2023).
• “Advanced Anatomy of Energy Arbitration Claim: Notice Through Award,” AAA Energy Conference, (Houston, September 2023).
• “Evolution or Revolution: Have We Mastered International Arbitration or Do We Need a New Blueprint for the Future?” ICAL 20th Anniversary Conference, Conference Co-Chair (Stockholm, August 2023).
• “Access to Justice, Right to a Fair Trial, Consent to Arbitration – Ensuring Everyone’s Right to a Day in Court,” AIJA Half-Year Conference (The Hague, May 2023).
• “Arbitrating in Brazil: Present and Future,” Brazilian Law Society 6th Annual Conference (New York, April 2023).
• “States cannot rely on their own breach of internal requirements to avoid arbitration agreements” and “Investigations carried out by states about the other side’s alleged corruption should not prevent arbitrations from proceeding,” Annual ICDR Y&I Coffee House Debate (Vienna, April 2023).
• “Regional Reports on the Current State of Affairs in International Arbitration,” 2023 iLaw Conference (Miami, February 2023).
• “Recognition and Enforcement of Foreign Awards and Judgments in the United States,” NSYBA International Discovery – Tools and Practice Tips (Virtual, December 2022).
• “Choosing Wisely: The Challenge of Interim Measures in International Arbitration, New York Arbitration Week (New York, November 2022).
• “Roundtable on ‘The Future of ICC Arbitration, Where Are We Headed?’” – Blockchain and arbitration, 100 years of ICC: Past, Present, and Future – ICC Arbitration Conference (Mexico City, June 2022).
• “Arbitration Advocacy in the Virtual & Hybrid World,” CPR Training for Counsel in Arbitration – A Five Session Program (Virtual, June 2022).
• “International Litigation: Outbound Cross-Border Discovery,” NSYBA International Discovery – Tools and Practice Tips (Virtual, June 2022).
• “International Litigation: Inbound Cross-Border Discovery,” NSYBA International Discovery – Tools and Practice Tips (Virtual, May 2022).
• “Challenges and Perspectives Towards Efficiency in International Arbitration,” 2022 CLS Brazil Forum: Challenges and Perspectives (Virtual, March 2022).
• “R.E.A.L. Special Training on Oral Advocacy Skills” (Virtual, March 2022).
• “Overview of the Global Energy Market and the Impact of Regulatory Changes on New York Practitioners,” ENERAP NY Chapter Launch Event (Virtual, October 2021).
• “Rise & Shine with Arbitration – New York,” DIS40 Event (Virtual, September 2021).
• “2020-21 North American Recap: What You Need to Know,” 16th ICC New York Conference (Virtual, September 2021).
• “Persuasion: Strategies for effective oral advocacy skills from the Counsel’s and the Tribunal’s perspectives,” NYU Brazilian Arbitration Day (Virtual, September 2021).
• “Arbitragem e Mulan: qual o real espaço para as mulheres na arbitragem?” IV Congresso Visão Crítica da Arbitragem: 21 Anos CAM-AMCHAM (Virtual, June 2021).
• “Discovery Under Section 1782: The Latest Developments,” ABA International Law Section’s International Litigation Skills Conference (Virtual, May 2021).
• “The ICDR’s Revised International Arbitration Rules – Inspirations, Interpretations and Insights,” ICDR Event (Virtual, May 2021).
• “New Opportunities for Arbitration Lawyers: Climate Change, Outer Space and Human Rights,” Young ArbitralWomen Practitioners Event (Virtual, May 2021).
• “The House only has one door!’” and “The House serves all types of coffee!” Annual ICDR Y&I Coffee House Debate (Virtual, March 2021).
• “How to Prepare for Online Proceedings in a Virtual World,” Fordham University School of Law Virtual Event (March 2021).
• “Unfogging the Future of U.S. Arbitration Law,” Washington University School of Law (February 2021).
• “ICDR Y&I Tertulia Sessions,” ICDR America’s Conference (November 2020).
• “Joinder of Parties and Virtual Hearings: When, Why and How?,” ICDR Y&I Virtual Event (November 2020).
• “Introduction to International Arbitration,” NYU IAA Virtual Event (October 2020).
• “Career Paths of Women in International Construction Arbitration,” ICDR Y&I Virtual Event (October 2020).
• “Data Protection in International Dispute Resolution,” ACEDS NY Metro Chapter Seminar (New York, February 2020).
• “Assessing the State of Play – UNCITRAL’s Working Group II (WGII) and Institutional, Expedited Arbitrations,” NYIAC Talks (New York, February 2020).
• “A Buyer’s Right to Specific Performance:  Article 46 of the CISG,” CISG in International Arbitration (New York, February 2020).
• “Diversity Challenge: Reinventing the Landscape for Young IA Practitioners,” New York Arbitration Week (New York, November 2019).
• “Understanding the Options in an ICDR International Arbitration,” AAA-ICDR Dispute Resolution Center (New York, August 2019).
• “Hot Topics in International Arbitration,” IASC/ICDR Y&I Event (Madrid, July 2019).
• “A Guide to the ICDR International Arbitration Rules – An Update on the Application of the ICDR Rules,” AAA-ICDR Dispute Resolution Center (New York, June 2019).
• “Developments in Swedish Arbitration:  Court Procedures, SCC Rules and Practice,” SAA & SCC Half Day Conference (Stockholm, May 2019).
• “The Art of Advocacy: Tips, Tricks and War Stories,” ICDR Y&I Event (New York, April 2019).
• Demystifying the Arbitral Tribunal – Arbitrator Selection, Challenge and Dynamics,” KCAB International Seminar (Vienna, April 2019).
• “You can have your coffee black, but not black market!’” and “The barista knows best!” Annual ICDR Y&I Coffee House Debate (Vienna, April 2019).
• “How to Handle Parallel Proceedings,” ICAL Conference 2018: Navigating the Muddy Waters of Modern Arbitration (Stockholm, November 2018).
• ICDR Y&I/YAS Seminar on Cross-Examination in International Arbitration (Stockholm, November 2018).
• “Developments in Swedish Arbitration Court Procedures, SCC Rules and Practices,” SAA & SCC Conference (Stockholm, May 2018).
• “Arbitrating Breach of Fiduciary Duty Claims,” American University, Washington College of Law (Washington D.C., March 2018).
• “Who’s paying for coffee?” and “The café selects the baristas, not the customer!” Annual ICDR Y&I Coffee House Debate (Vienna, March 2018).
• “Cross-Examination in International Arbitration,” Young ICCA Skills Training Workshop (Stockholm, November 2017).
• “Tips from the Top: Young ICCA interviews Gretta Walters,” Young ICCA Blog (October 2017).
• “Careers in International Arbitration: The Role of International Courts, Institutions, and Tribunals,” ICC-YAF Event (Washington D.C, October 2017).
• “You spilled my coffee – I’m not paying for you!” and “Waiter, just bring our coffees and stay out of it!” Annual ICDR Y&I Coffee House Debate (Vienna, April 2017).
• “Innovation in Arbitration,” VIII International Congress of Arbitration of ICC Costa Rica (San Jose, February 2017).
• “The Quite Triumph:  How Arbitration Changed the World,” Film Premier at Stockholm Chamber of Commerce Centenary Gala, Speaker in Film (Stockholm, January 2017).
• “Arbitral Institutions, Roles and Activities,” 8th Conference on Teaching Transnational Commercial Law (Washington D.C., November 2016).
• “To what extent can parties and counsel have an obligation to disclose hidden information relevant to the outcome?” Co-Chairs’ Circle Second Global Conference (Helsinki, May 2016).
• “Too Much Milk in my Coffee!’” and “If I don’t get my coffee now, you pay for my lawyer,” Annual ICDR Y&I Coffee House Debate (Vienna, March 2016).
• “Discovery and international best practices – a practitioner’s perspective.” Stockholm Pre-Moot Conference (Stockholm, March 2016).
• “What Does an Arbitration Cost?” Georgetown Arbitration Month (Washington D.C., February 2016).
• “In defense of international commercial arbitration: Lessons to be learned or ignored from investor-state arbitration,” ICC Young Arbitrators Forum (New York, September 2015).
• “Interim Measures from a U.S. perspective,” Interim Measures: Current and Future Perspectives (Stockholm, May 2015).
• “Arbitration in Eastern Europe – What’s Going On?,” 2015 European Forum ABA, Section of International Law (Berlin, March 2015).
• “Investor-State Arbitrations at the SCC,” FDI Moot 2014 (Malibu, October 2014).
• “Debate: 2013 IBA Guidelines on Party Representation, Advocate Your Client’s Case No Matter What?” YAS 10 Year Jubilee (Stockholm, August 2013).
• “20 Years of Arbitration in Estonia and the Arbitration Proceedings in Latvia, Lithuania, the Russian Federation, Finland and Sweden” (Tallinn, May 2012).
• 2012 SCC Vis Pre-Moot Conference (Stockholm, March 2012).
• “SCC Investment Arbitrations,” Frankfurt Investment Moot (Frankfurt, March 2012).
• Vis International Commercial Arbitration Moot, Arbitrator (Vienna, 2011-present).

• Arbitration Committee, New York City Bar, Chair (2024-present); Member (2020-2024);
• Law360 International Arbitration Editorial Board (2025);
• CIArb New York Branch, Secretary (2022-present);
• AAA-ICDR Council, Member (2022-present);
  • Publications Subcommittee, Member (2022-present);
  • Energy Subcommittee, Member (2023-present);
  • Higginbotham Fellow Program, Mentor (2023-2024);
• International Center for Dispute Resolution Young & International (ICDR Y&I), Executive Board Member (2020-2023), Global Advisory Board Member (2017-2019);
• International Commercial Disputes Committee, New York City Bar, Secretary (2016-2020, 2022-2023), Member (2013-2016);
• New York Arbitration Week, Co-Chair (2023), Organizing Committee (2022 & 2024);
• Arbitration Lunch Match, New York and Washington, DC liaison (2021-present);
• CPR Young Alternative Dispute Resolution (Y-ADR), Steering Committee Member (2019-2023);
• Stockholm University, ICAL Alumni Association, Chair of the Board (2021-2023), Member of Board of Directors (2019-2021);
• ENERAP NY Chapter, Founding Member;
• BMW Foundation Responsible Leaders Network;
• ArbitralWomen, Member;
• Young ICCA, Buddy in Mentorship Program (2019-2021);
• Vis Moot Alumni Association (MAA), Mentor (2020-present).