Mayer Brown is proficient in the full range of white-collar and investigations-related matters, representing companies, executives, and individuals in government investigations brought by a variety of regulatory authorities, as well as in internal investigations, compliance counselling, transactional advice, and litigation. The team also has considerable cross-border capabilities. Co-leading the practice, Kenneth Wainstein in Washington DC is knowledgeable in all aspects of white-collar work, including criminal and civil enforcement proceedings, corporate internal investigations, and congressional inquiries, Kelly Kramer, also in DC, is a seasoned trial lawyer who represents companies and individuals in criminal cases and government investigations, and Greg Deis, who practices out of Chicago, is skilled in major investigations, acting for both companies and individuals. Former co-practice head Jason Linder departed the team in January 2025.
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Testimonials
Collated independently by Legal 500 research team.
- Glen Kopp is reliable and knowledgeable in bankruptcy law.
Key clients
- Island Industries
- Citizens Bank, N.A.
- GPB Capital Holdings, LLC
- BMO Bank
- Executives of Silicon Valley Bank
- Senior FTX executives
- Andrew Badolato
Work highlights
Achieved an appellate victory on behalf of Island Industries in the Ninth Circuit, which affirmed a $26m False Claims Action judgment against the defendant, Sigma Corporation, for knowingly evading antidumping duties.
Representing a private equity general partner in connection with an alleged $1.7b fraud involving a number of the limited partnership funds that the general partner created and managed.
Representing two of the senior FTX executives, Ryan Salame (CEO, FTX Digital Markets) and Sam Trabucco (co-CEO, Alameda Research) globally in ongoing DOJ, SEC, CFTC and other investigations, regulatory inquiries, bankruptcy and liquidation proceedings, and litigation surrounding the collapse of FTX, the cryptocurrency exchange.
Practice head
Kenneth Wainstein; Kelly Kramer; Greg Deis
Other key lawyers
Gina Parlovecchio; Hiral Mehta; Aiysha Hussain