Aníbal Sabater, Gretta Walters, James Hosking Participate in ABA International Arbitration Skills Masterclass

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Aníbal Sabater, Gretta Walters, James Hosking Participate in ABA International Arbitration Skills Masterclass

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June 2025—Chaffetz Lindsey’s Aníbal Sabater, Gretta Walters, and James Hosking participated in the ABA International Law Section’s 2025 International Arbitration Skills Masterclass, held virtually from Tuesday, June 17th– Wednesday, June 18th.

The program offered junior and mid-level arbitration practitioners a unique opportunity to develop and refine their advocacy skills through a combination of faculty-led plenary discussions and hands-on practice sessions.

Aníbal served as a panelist during the session titled “Cross-Examining and Redirecting Fact Witnesses”. He was joined by internationally recognized colleagues including Henri Alvarez (Alvarez Arbitration), Jan Paulsson (Independent Arbitrator), and Eduardo Zuleta (Arbitration Chambers), with Diana Paraguacuto-Mahéo (Foley Hoag) moderating.

Gretta Walters joined the session “Cross-examining and Redirecting Expert Witnesses” with Preeti Bhagnani (White & Case) and Ari MacKinnon (Cleary Gottlieb). Cesar Pereira (Justen Pereira Oliveira & Talamini) moderated the discussion.

James and Gretta acted as faculty giving feedback to workshop participants during witness examination sessions.

The Masterclass is designed to give participants practical skills critical to the arbitral process, and the fact witness cross-examination panel will feature insights from leading practitioners on how to effectively challenge or rehabilitate testimony in high-stakes international disputes.

For more information, visit the ABA International Law Section’s website here.

Chaffetz Lindsey Dominates International Arbitration and Enforcement Rankings in Chambers USA 2025

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June 2025—The recently released 2025 Chambers USA Guide marks another milestone in the Chaffetz Lindsey’s team’s recognition as the leading US-based international arbitration and enforcement boutique. The team boasts seven ranked lawyers across three categories—the equal highest number of active lawyers of any firm in the US.  Recognized lawyers cover elite Band 1 leaders to Band 6 rising stars, demonstrating the strength and depth of the firm’s bench.

The firm’s international arbitration team continues to be ranked in “International Arbitration: The Elite” as the only New York-based boutique, placing it among top-tier global firms.

Chaffetz Lindsey’s six ranked lawyers appearing in the “International Arbitration: Counsel” table evidences the breadth and diversity of the team. New this year, Counsel May Khoury, is ranked as an “Associate to Watch,” recognizing emerging talent. Anibal Sabater, Caline Mouawad, James Hosking, Yasmine Lahlou, and Gretta Walters continue to be recognized in a group that one client described as “absolutely a force to be reckoned with.”

Andy Frischknecht and Yasmine Lahlou have again earned Band 1 recognition in the highly regarded International Arbitration: Enforcement rankings. Andy and Yasmine lead a majority of the firm’s major award and enforcement engagements. This marks the fourth year the firm has been recognized for its specialized practice in arbitration enforcement. With two Band 1 lawyers in this category, Chaffetz Lindsey is uniquely positioned to manage complex global enforcement mandates with boutique agility and elite capability.

A source close to the team noted, “They are always on point, prepared and ready.”

Anibal Sabater and James Hosking have also been named among the top Arbitrators in the country.

Sources had this to say about Chaffetz Lindsey partners:

  1. James Hosking “is as sharp as a surgeon’s knife.”
  2. Andreas Frischknecht’s “advice and awareness is enviable.”
  3. Yasmine Lahlou “is incredibly bright and super collegiate to work with.”
  4. Caline Mouawad [has a] “pragmatic, client-oriented mindset. She was able to figure out how to put the company’s priorities first.”
  5. Anibal Sabater “is extremely reliable, and it gives me comfort knowing that everything is under control. The experience he has is highly valuable.”
  6. Gretta Walters “is a lawyer’s lawyer. She is professional and outstandingly smart.”
  7. May Khoury’s work left one source “impressed.”

To view the firm’s International Arbitration and Enforcement profile, visit our website or the Chambers USA website.  For a full breakdown of Chaffetz Lindsey’s Chambers USA International Arbitration Rankings, see below.

Aníbal Sabater to Speak at III Comillas Arbitration Day on Security and Arbitration in Latin America

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June 2024– Chaffetz Lindsey’s Aníbal Sabater will be a featured panelist at the III Comillas Arbitration Day, taking place on June 4th at Universidad Pontificia Comillas in Madrid. This year’s conference, titled “Seguridad esencial y arbitraje en Latinoamérica”, will explore the intersection of essential security considerations and arbitration in the Latin American context. The event will gather leading practitioners, academics, and institutional representatives to discuss current challenges and developments in Latin American arbitration, with a focus on how essential security considerations impact arbitral proceedings.

Aníbal will join the session titled “Europa, España y Latinoamérica: el arbitraje como puente” (“Europe, Spain, and Latin America: Arbitration as a Bridge”), exploring how arbitration serves as a vital link between regions amid evolving global dynamics.

He will be joined by a distinguished panel of practitioners and experts, including:

The panel will address the intersection of regional legal frameworks, policy considerations, and cross-border dispute resolution, drawing on insights from Europe and Latin America’s leading arbitration professionals.

Diego Agulló of Universidad Pontificia Comillas and ICADE is the event organizer.

For more information and to register for the event, visit the official event page.

Aníbal Sabater to Speak on Arbitrator Ethics at CIArb Learning Lab Series

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May 2025– Chaffetz Lindsey’s Aníbal Sabater will speak in the session titled “The Ethical Arbitrator: Conflict Conundrums and Tricky Challenges” as part of the Chartered Institute of Arbitrators’ Learning Lab: Arbitrator Skills Development series. The session will be held online on Thursday, May 15th and is part of a six-part professional development program aimed at enhancing the practical skills of arbitration professionals.

Now in its third edition, the Learning Lab series offers interactive workshops designed to help both experienced arbitrators and those preparing to accept appointments sharpen their case management skills and tackle complex procedural and ethical issues with confidence.

Aníbal will join a panel of arbitration professionals including:

Participants in the series will work through real-world scenarios and small-group exercises focused on key aspects of arbitral proceedings, including:

  • Managing conflicts of interest and arbitrator challenges
  • Making appropriate disclosures and handling interview requests
  • Drafting procedural orders and managing document production
  • Navigating evidential processes and distinguishing guerrilla tactics from advocacy

The workshop offers practical insight into the ethical dimensions of sitting as an arbitrator, with the goal of equipping participants to handle difficult decisions with clarity and integrity.

For more information and registration details, visit CIArb’s website.

 

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Anibal Sabater Hosts NYIAC Talks Podcast Spotlight on International Arbitration in Latin America: Mexico (Part II)

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March 2025–  Chaffetz Lindsey’s Anibal Sabater will host an upcoming NYIAC Talks podcast “International Arbitration in Latin America: Mexico” with Noiana Marigo (Freshfields Bruckhaus Deringer) on Thursday, March 13th.

Anibal and Noiana will interview Cecilia Azar (Galicia Abogados) with special guest Dr. Antonio Ortiz-Mena (AOM Advisors) for the second episode of the podcast series, continuing the discussion from January 31st, 2025 on recent developments in Mexico.

The group will discuss the tariffs imposed by President Trump and the new period of uncertainty it may bring.

Learn more and register here.

Anibal Sabater Joins California Arbitration Week Panel on Artificial Intelligence

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February 2025—Chaffetz Lindsey’s Anibal Sabater will speak on the panel “Who, What, Where, When and Why to Disclose Artificial Intelligence” during California International Arbitration Week on Tuesday, March 11th in Los Angeles, California.

Anibal will join Svetlana Gitman (AAA- ICDR), Benjamin Malek (T.H.E. Chambers, SVAMC, SVAMC AI Task Force), and Sarah Reynolds (Arbitrator and Mediator) to discuss how practitioners are using A.I. and consider what uses are benign, what uses are improper; and what uses should be disclosed. The group will examine the 2024 SVAMC A.I. Guidelines on the Use of A.I. in Arbitration and guidelines issued by various administering institutions as well as the courts to consider when, how and why disclosures on A.I. should or shouldn’t be made. Jonathan W. Fitch (JAMS) will moderate the discussion.

California International Arbitration Week, hosted by the California Lawyer’s Association Litigation Section and California Arbitration (CalArb), is a week of insightful discussions, expert panels, and networking opportunities focused on the latest trends and best practices in international arbitration. Learn more about the event here.

Chaffetz Lindsey is a proud sponsor of California International Arbitration Week.

Anibal Sabater Hosts Harvard Masterclass on Renewable Energy Arbitration

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February 2024—Chaffetz Lindsey’s Anibal Sabater will teach a masterclass on renewable energy arbitration on Tuesday, February 25th as part of the Harvard International Arbitration Law Students Association Masterclass Series: Navigating Across Industries.

Anibal will provide insights into the complexities of renewable energy disputes, covering recent cases, key legal challenges, and strategies for assessing damages.

Learn more about the event here.

Anibal Sabater Joins Panel to Discuss Tech Driven Arbitration

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February 2025—Chaffetz Lindsey’s Anibal Sabater will join the panel “From Today to Tomorrow: Tech-Driven Arbitration” on Wednesday, February 19th at the AAA-ICDR offices in New York, NY. The group will explore the transformative impact that emerging technologies are having and will have on international arbitration, address the role of arbitral institutions in integrating new technologies in dispute resolution, and discuss changing regulatory landscape for AI.

Anibal will be joined by Linda Beyea, Marta Garcia Bel, and Sophie Nappert. Mihaela Apostol will moderate the discussion.

Learn more about the event and register here.

Three Chaffetz Lindsey Partners Named Global Market Leaders in 2025 Chambers Global Guide

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February 2025— Chaffetz Lindsey’s international arbitration practice has been recognized in the 2025 Chambers Global Guide, remaining a standout in the industry and around the world. The group continues to be the only US-based boutique named in the Global Market Leaders International Arbitration rankings.

Sources speak highly of the team, one noting “The team shows great sophistication in handling international arbitrations. They are focused and efficient, and great to work with.”

In addition, three Chaffetz Lindsey partners –James Hosking, Aníbal Sabater, and Yasmine Lahlou have been individually recognized as Global Market Leaders in the space.

Comments on our globally ranked arbitration partners include:

  • Aníbal Martin Sabater is a prominent practitioner within the US and Latin American markets. He has strong capabilities in handling big-ticket ICC investment treaty arbitrations. Aníbal’s expertise spans diverse sectors, including energy, construction, and finance. He is licensed to practice in several US states, Spain and in England & Wales. An interviewee states “Aníbal is excellent and very efficient. He is very good at witness examinations,” another states “[He] is a key player in the team.”
  • James Hosking is a founding partner at Chaffetz Lindsey. James operates a broad practice in high-stakes arbitrations across diverse sectors such as energy, corporate acquisitions, mining, construction, and projects. Hosking has acted as counsel in arbitrations under various arbitral rules such as ICC, UNCITRAL, LCIA, ICSID and HKIAC. Sources say “James is a superb lawyer who is prominent in the arbitration community and has great business sense.” “He’s really at the top of his game and has an excellent reputation. When you hire James, you’re in very capable hands.”
  • Peers recognize Yasmine Lahlou for her arbitration expertise across the US and Latin American markets. Fluent in English, French and Italian, Lahlou attracts a range of international clients to handle highly sophisticated commercial and treaty cases across a range of sectors and industries, including energy, construction and telecommunications. “Yasmine is everything a client wants in an arbitrator or counsel,” a client exclaims.

Click here to view Chaffetz Lindsey’s Chambers Global profile.

The team is also highly regarded in the Chambers USA, Chambers Latin America and Chambers Brazil rankings.

Anibal Sabater Joins NYIAC Talks Podcast Spotlight on International Arbitration in Latin America: Mexico

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January 2025—Chaffetz Lindsey’s Anibal Sabater will host an upcoming NYIAC Talks podcast with Noiana Marigo (Freshfields Bruckhaus Deringer) on Friday, January 31st.

Anibal and Noiana will join guest Cecilia Azar (Galicia Abogados) to discuss recent legal reforms in Mexico and their relevance to arbitration. In the 45-minute session, they will cover topics including an introduction to Mexico’s constitutional reform, the state of arbitration in Mexico, and the broader U.S.-Mexico relationship.

Learn more and register here.

Anibal Sabater Joins NYIAC Talks Podcast Spotlight on International Arbitration in Latin America: Mexico

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January 2025—Chaffetz Lindsey’s Anibal Sabater will host an upcoming NYIAC Talks podcast with Noiana Marigo (Freshfields Bruckhaus Deringer) on Friday, January 31st.

Anibal and Noiana will join guest Cecilia Azar (Galicia Abogados) to discuss recent legal reforms in Mexico and their relevance to arbitration. In the 45-minute session, they will cover topics including an introduction to Mexico’s constitutional reform, the state of arbitration in Mexico, and the broader U.S.-Mexico relationship.

Learn more and register here.

Chaffetz Lindsey’s Arbitration Team Ranked Globally by Who’s Who Legal

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December 2024—Who’s Who Legal Arbitration 2025 rankings have recognized the top names in arbitration, ranking seven Chaffetz Lindsey team members amongst the elite group. Among the team, both James Hosking and Yasmine Lahlou have again been named as “Global Elite Thought Leaders”, with just 25 individuals receiving such recognition in North America. According to Who’s Who Legal, this title is reserved for practitioners considered the “best of the best across research, achieved by only around 5% of WWL-listed practitioners.” Chaffetz Lindsey is one of only 15 firms in the world with more than one Global Elite Thought Leader.

Gretta Walters has been named a “Global Elite Thought Leader – Under 45”, likely to be the pre-eminent name of the next generation and is on a shortlist of “Most Highly Regarded, Arbitration Future Leaders – Partners”, only one of ten in North America.

Additional accolades include Anibal Sabater, Caline Mouawad, Peter Chaffetz and David Lindsey as “Recommended Thought Leaders in Arbitration.” These individuals are considered leaders in their field.

WWL: Arbitration 2025 is a culmination of months of research by WWL and GAR. Through nominations from peers and clients, the arbitrators, tribunal members, chairs, counsel and experts listed have been recognized by their peers and clients as the leading names in the field. Learn more here.

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