David Leviss rejoins O’Melveny as partner in Washington, DC

David Leviss, a veteran litigator and former senior federal official, has rejoined the law firm O’Melveny as a partner in its Washington, DC office. Leviss will join the firm’s healthcare practice group and its congressional investigations team.

With over 25 years of experience, Leviss will advise healthcare organizations, corporations, and executives on complex internal and government investigations, congressional inquiries, and matters involving the False Claims Act (FCA).

His professional background includes serving as the Associate General Counsel for the Securities and Exchange Commission’s (SEC) oversight and investigations group, where he acted as the principal legal adviser on government oversight matters. He also previously served as chief oversight counsel to the US House of Representatives' Energy and Commerce Committee and as a trial attorney in the Department of Justice’s civil fraud section. Leviss had previously spent 11 years at O’Melveny before departing in 2022.