Former Munger Tolles co-managing partner Mark B. Helm joins FedArb. June 1, 2026 | Federal Arbitration Inc. Experienced arbitrator and nationally recognized trial lawyer brings deep expertise in complex business disputes, asset management, entertainment, trade secrets and corporate governance. June 2, 2026 - FedArb is pleased to announce that Mark B. Helm, Esq., has joined its panel as an arbitrator and mock panelist for dispositive motion and appellate arguments. Mr. Helm joins FedArb after serving as a full-time neutral in more than 75 matters, following a 37-year complex litigation practice at Munger, Tolles & Olson LLP. He is a member of the National Academy of Distinguished Neutrals. As an arbitrator, Mr. Helm has handled a broad range of disputes - from complex business matters involving acquisitions, stock purchase agreements, LLC agreements and investment vehicles, to consumer disputes involving cryptocurrency, automobile defects and financing practices. He also brings decades of litigation experience in asset management, entertainment and intellectual property, trade secrets, lawyers' liability and corporate governance matters. "Mark Helm brings insightful and sophisticated judgment that our clients need to help them resolve their complicated legal disputes," said Kennen D. Hagen, president and CEO of FedArb. "His experience as a full-time neutral, combined with decades at the highest levels of complex litigation, makes him an exceptional addition to the FedArb panel." Before becoming a full-time neutral, Mr. Helm was a nationally recognized trial lawyer and appellate advocate at Munger Tolles in Los Angeles. From 2005 to 2010, he served as the firm's co-managing partner, and was named one of Lawdragon's "100 Managing Partners You Need to Know." "I am delighted to join FedArb's panel of distinguished neutrals," said Mr. Helm. "FedArb is known for bringing serious legal talent to serious disputes, and I look forward to helping parties resolve complex matters with fairness, efficiency and careful attention to the legal and business issues at stake." Mr. Helm serves on the advisory board of the Institute for Transnational Arbitration and the board of directors of the Claremont Colleges. He clerked for Chief Justice Warren E. Burger of the United States Supreme Court and Judge Carl McGowan of the United States Court of Appeals for the District of Columbia Circuit. Mr. Helm graduated magna cum laude from Harvard Law School, and was president of the Harvard Law Review and received the Sears Prize. He graduated magna cum laude in government from Harvard College, where he received the Wendell Phillips Award for oratory. About FedArb FedArb is a global ADR firm providing comprehensive dispute resolution services to companies and law firms facing complex litigation. With a panel of more than 150 experienced professionals, including former law firm practice heads and more than 50 former Article III judges, FedArb helps litigators resolve disputes through arbitration, mediation, mock exercises and other ADR methods efficiently and cost-effectively. For nearly two decades, FedArb has been the trusted choice for resolving consequential disputes, offering responsive client service and a commitment to putting the client first.

Martin Estrada named to the Los Angeles Business Journal's 2026 LA500 list. May 11, 2026 Munger, Tolles & Olson Co-Managing Partner Martin Estrada has been named to the Los Angeles Business Journal's 2026 LA500 list. The list recognizes the most influential and impactful leaders in Los Angeles. The publication highlighted Martin's career as a trial attorney representing major corporations, institutions and prominent individuals in their most significant and sensitive matters. Martin has tried more than 30 federal and state cases and arbitrations and has argued more than a dozen appeals before the U.S. Court of Appeals. Prior to rejoining MTO in 2025, Martin served as United States Attorney for the Central District of California. In that role, he led initiatives targeting civil rights violations, fentanyl deaths, and violent robberies, and he oversaw many high-profile and impactful cases during his tenure, including cases prosecuting those responsible for the death of actor Matthew Perry, the translator for Shohei Ohtani who stole more than $16 million from the baseball superstar, celebrity lawyer Tom Girardi and the Pico-Robertson shooter who attempted to murder two Orthodox Jewish men.