Benjamin Gris

Benjamin Gris


Ben focuses on antitrust investigations and counseling with an emphasis on mergers and acquisitions in front of the US Federal Trade Commission, the US Department of Justice, and other competition authorities around the world. He advises acquirers, targets, prospective divestiture buyers, and third-party clients in navigating the antitrust regulatory clearance process.

Ben joined the firm in 2018 after serving for nearly 12 years at the Federal Trade Commission, most recently spending three years as Assistant Director of the FTC’s Bureau of Competition. During his time at the FTC, Ben served as lead investigator, manager, and/or litigator on hundreds of matters, including frequent collaboration with foreign antitrust agencies on cross-border transactions. Ben was also involved in the development of best practices for cross-border merger review and interagency cooperation.

As Assistant Director, Ben was the head of the FTC’s Mergers II Division, which oversees investigation and litigation in a wide range of industries, including chemicals, automotive, semiconductors, computer hardware and software, recorded music, tobacco, fertilizers, and a variety of intermediate products. Ben had leading roles in numerous high-profile investigations and litigations, including: CDK/AutoMate; Polypore; IDT/PLX; Ball/Rexam; Superior/Canexus; Broadcom/Brocade; Sherwin Williams/Valspar; Universal Music/EMI; A&P/Pathmark; and Western Digital/Hitachi.

Prior to becoming Assistant Director, Ben served as a Deputy Assistant Director of the Mergers II Division from 2011-1015.

Prior to joining the FTC, Ben was an associate in the litigation group of a large U.S. based law firm where he represented pharmaceutical, chemical, energy, financial, and consumer goods clients, among others.

Ben is a frequent speaker at ABA, International Competition Network, and other organizational events.


Representative matters

Chevron Corp. on competition matters in its $53 billion acquisition of Hess Corp., $7.6 billion acquisition of PDC Energy, Inc., $3.15 billion acquisition of Renewable Energy Group, Inc., $5 billion acquisition of Noble Energy Inc., and acquisition of Beyond6, LLC.

J.F. Lehman & Company on its $1.2 billion acquisition of Heritage-Crystal Clean Inc. 

Atlas Holdings, LLC in the acquisition of USF Holdings, LLC and its subsidiaries from The Gores Group.

EnCap Flatrock Midstream in the $1.45 billion sale of Lotus Midstream Operations, LLC to Energy Transfer LP.

Published Work

  • Gris, Ben, Co-author. (2020, 2021) “European Union and United States: Antitrust and Data,” GDR Insight Handbook, Global Dispute Resolution
  • Gris, Ben, Co-author. (2020) “Edgewell/Harry’s: When a Maverick is More Than Its Market Share,” The M&A Lawyer
  • Gris, Ben, Co-author. (2019) “The FTC’s Consent Decree in the Staples/Essendant Deal Sets Playing Field for the New Commission’s Split on Antitrust Enforcement,” The M&A Lawyer
  • Gris, Ben, Co-author. (2019) “The Department of Defense’s Role in Merger Review,” Competition Policy International Antitrust Chronicle

Speaking Engagements

  • Panelist, “Draft Merger Guidelines – FTC and DOJ” online panel organized by Asociacion Colombiana de Derecho de la Competencia, August 2023
  • Moderator, “Anticipating Resistance,” M&A Conference at the University of Chicago, June 2022
  • Moderator, “Planning for Resistance,” M&A Conference at Wharton San Francisco, March 2022
  • Panelist, “A Transatlantic Perspective on the Current Trends in EU Merger Control and the Annulment of the UK Mobile Case,” Lexology webinar, November 2020

Leadership Positions And Professional Affiliations

  • Member, Law360’s 2022 Competition Editorial Advisory Board
  • Non-governmental Advisor, International Competition Network
  • Past Member, FTC/DOJ Working Group on Antitrust Guidelines for International Enforcement and Cooperation 
  • Past Member, FTC/DOJ/European Commission Joint Task Force on Navigating the US/EU Merger Remedies Process 


  • Featured in Who’s Who Legal Competition List, 2020-2024
  • The Paul Rand Dixon Award in recognition of high performance, significant contribution, and dedication to advancing the Commission’s mission and the public interest, Federal Trade Commission, 2011
  • The Janet D. Steiger Award for commendable work on the Polypore litigation team, Federal Trade Commission, 2011



Washington, DC, 2019
New York, 2004


B.S., cum laude, Yeshiva University, 1995
J.D., Georgetown University, 2002
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.