
Skilled in handling complex cartel matters, Gibson, Dunn & Crutcher LLP is well-equipped to advise clients on investigations, DOJ and FTC enforcement actions, and compliance issues. The team operates across a broad range of industries, including financial services, pharmaceuticals, retail, and high-tech. At the helm of the practice is a trio of experts: San Francisco-based Rachel Brass, a former FTC Deputy Director with extensive experience in international investigations, having represented clients before authorities including the FTC, DOJ, European Commission, Korean Fair Trade Commission, and Australian Competition and Consumer Commission; Stephen Weissman, recognized for his experience assisting clients in investigations by multiple enforcement agencies; and Cynthia Richman, who is noted for her work in DOJ grand jury investigations and defending clients in state and federal courts. Adding further depth, Scott Hammond and Jeremy Robison are key figures for multinational clients involved in cartel investigations outside the US and EU. Robison focuses on matters like price-fixing, bid-rigging, and no-poach agreements, while Hammond is a trusted advisor for crisis management. Attorneys are based in Washington DC unless otherwise stated.
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Accolades
Client satisfaction
Key clients
- Pioneer Natural Resources Company
- Hartford Healthcare
- UnitedHealth Group – OptumRx
- RealPage, Inc.
- AbbVie
- Amazon
- Community Health Systems
- SES S.A.
- National Football League (NFL)
- Apple Inc.
Lawyers
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The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Rachel Brass; Cynthia Richman; Stephen Weissman
Other key lawyers
Scott Hammond; Jeremy Robison