
Litigation: White-Collar Crime & Government Investigations
USA Guide 2026 : California
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by O'Melveny & Myers LLP
O’Melveny’s white collar defense team draws on a wealth of experience—including inside key federal and state enforcement agencies—to help clients make the right moves. Our diverse and versatile group features nearly 100 lawyers, most in our New York, Washington, DC, Los Angeles, and San Francisco offices. Our team consists of more than a dozen former Assistant US Attorneys, congressional investigators, and high-ranking officials in the Departments of Commerce, Defense, Homeland Security, Labor, and State, in addition to the FTC and SEC, who provide clients with invaluable insight into governmental decision-making processes.
Our services:
- Government Investigations
- Civil & Criminal Trials
- Internal Investigations
- Compliance Review & Monitorship
- Training
Our areas of proficiency include:
- Accounting Fraud
- Anti-Money Laundering
- Antitrust and Price-Fixing
- Congressional Investigations
- Consumer Fraud
- Cross-Border Investigations
- Cyber Investigations and Incident Response
- Economic Sanctions and Export Controls
- Environmental Enforcement
- False Claims Act and Anti-Kickback Statute
- Foreign Corrupt Practices Act and Anti-Bribery
- Health Care Fraud
- International Legal Assistance
- Obstruction of Justice
- Ponzi Schemes
- Products Liability
- RICO Act
- Securities Fraud and Insider Trading
- Tax
- Trade Secrets
- Workplace Misconduct
Industries (15)
- Automotive
- Consumer & Retail Products
- Colleges & Universities
- Energy
- Entertainment & Media
- Financial Services
- Fintech
- Health Care
- Life Sciences
- Manufacturing
- Real Estate
- Sports
- Technology
- Telecommunications
- Transportation
Chambers Review
Provided by Chambers
Strengths
Provided by Chambers
The fluency of the O'Melveny & Myers team in complicated and novel legal concepts is impressive. The service and responsiveness is excellent.
Litigation: White-Collar Crime & Government Investigations respondentUSAI've been in-house for 20 years, and there are no firms that are more responsive than O'Melveny & Myers. On many occasions, we've asked for their advice on a discrete legal issue and given them an unreasonable turnaround time, and they've always delivered.
Litigation: White-Collar Crime & Government Investigations respondentUSAThe team is knowledgeable, professional and dependable. I know I can count on them for thoughtful and timely feedback.
Litigation: White-Collar Crime & Government Investigations respondentUSAO'Melveny & Myers has strong connections to pertinent players in the legal space and a mastery of substantive law and likely risks.
Litigation: White-Collar Crime & Government Investigations respondentUSA
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Steven J Olson
Steven Olson is a strong choice for clients on high-stakes internal and regulatory investigations, as well as offering clients an excellent pedigree in jury trial work. Steven is highly regarded and very experienced in the space.
Litigation: White-Collar Crime & Government Investigations respondentUSASteven Olson is an unbelievable good lawyer.
Litigation: White-Collar Crime & Government Investigations respondentUSA
Band 4 
Band 4 
James A Bowman
James Bowman's practice focuses on the representation of clients in internal investigations and white-collar litigation. He is well versed in matters relating to the False Claims Act, particularly in the healthcare space. He stands out; I am very impressed with him.
Litigation: White-Collar Crime & Government Investigations respondentUSAJim is terrific. I think highly of him.
Litigation: White-Collar Crime & Government Investigations respondentUSA
Band 5 
Band 5 
Michael Tubach
Michael Tubach is widely considered a go-to practitioner for criminal antitrust matters, in which field he regularly advises on DOJ investigations. Michael Tubach is great.
Litigation: White-Collar Crime & Government Investigations respondentUSA
Band 5 
Band 5 
Sharon Bunzel
Sharon Bunzel is well versed in government and internal investigations pertaining to trade secrets theft and whistleblower allegations.
Sharon is a pleasure to work with. She is reasonable and commercial.
Litigation: White-Collar Crime & Government Investigations respondentUSASharon is adaptable and has deep subject matter expertise.
Litigation: White-Collar Crime & Government Investigations respondentUSAI like Sharon a lot. She is always smart and has good judgment.
Litigation: White-Collar Crime & Government Investigations respondentUSA
Ranked Individuals at O'Melveny & Myers LLP (4)
Members
Provided by O'Melveny & Myers LLP

Greta Nightingale

Mary Patrice Brown

Howard E Heiss

Mark Racanelli

Nicole Argentieri

Steve Bunnell

Caitlin M. Bair

Damali A. Taylor

Jim Bowman

Sharon M. Bunzel

Ronald Cheng

Jeremy Maltby

David Deaton

Daniel Bookin

Andrew J. Geist

David L. Kirman

David J. Leviss

Stephen M. Sullivan

Margaret L. Carter

Ross B. Galin


James A Bowman
View profile of James A Bowman
Michael Tubach
View profile of Michael Tubach
Sharon Bunzel
View profile of Sharon Bunzel
O'Melveny & Myers LLP has rankings in the following guides
Band 3 USA 2026
Practice area: Litigation: White-Collar Crime & Government Investigations
Location: Texas
View department profile for USA 2026Band 6 USA 2026
Practice area: Litigation: White-Collar Crime & Government Investigations
Location: District of Columbia
View department profile for USA 2026
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