Jeffrey Kilduff is the managing partner of O'Melveny's Washington, DC office and serves as the firmwide Chair of the Securities Litigation Practice. For nearly 25 years, Jeff has worked in the Litigation Department, concentrating on securities litigation and enforcement matters as well as antitrust litigation and counseling.

Jeff's wide-ranging securities practice has included class action defense, the defense of derivative litigation on behalf of individuals and companies, internal corporate investigations, and compliance counseling. He has also represented numerous companies and individuals in SEC, NYSE, and FINRA investigations, enforcement proceedings, and arbitrations. Jeff is widely regarded as a leader in the field. He has been recognized by Chambers USA as a leading securities litigator in Washington, D.C. Described by the guide as one of the area’s “major players,” Jeff earned praise for “skillfully guiding clients through difficult times.” Chambers also has recognized Jeff as a national “rising star,” commending him for strategically managing large scale proceedings. The Legal 500 describes him as a “very fine lawyer, who has great experience in the field.” Benchmark Litigation (2012) also recognizes Jeff as a star in Washington, DC and one of the star securities litigators in the country.

Jeff's antitrust experience includes numerous class actions involving companies in the hotel, insurance, healthcare, airline, and paper industries. He has represented clients in civil and criminal matters before the Department of Justice ("DOJ") and the Federal Trade Commission, and recently successfully defended at trial a foreign paper manufacturer charged with criminal price-fixing.

Before entering private practice, Jeff was a Washington, DC businessman and served for eight years as Vice President of a computer services company, which he co-founded in 1978.