Department profile
Litigation: White-Collar Crime & Government Investigations: The Elite
USA Guide 2026 : New York
Rankings
Ranked Individuals
Ranked Individuals
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Work Highlights
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O'Melveny & Myers LLP represented Gunvor SA in connection with an investigation involving the DOJ, the US Attorney’s Office for the EDNY and Swiss authorities concerning alleged bribes paid to secure commodities contracts in Ecuador.
Strengths
Provided by Chambers
They are smart, thorough, experienced and enjoyable to interact with.
Litigation: White-Collar Crime & Government Investigations: The Elite respondentUSAO'Melveny & Myers is highly responsive and attentive.
Litigation: White-Collar Crime & Government Investigations: The Elite respondentUSAThe firm is extremely prompt and thorough.
Litigation: White-Collar Crime & Government Investigations: The Elite respondentUSA
Notable Practitioners
Provided by Chambers
Band 2 
Band 2 David N Kelley
David Kelley is frequently called on to handle high-stakes criminal and regulatory investigations and offers additional expertise conducting sensitive internal investigations. David is a dominating presence in the room.
Litigation: White-Collar Crime & Government Investigations: The Elite respondentUSA
Band 3 
Band 3 Mark A Racanelli
Mark Racanelli undertakes an array of criminal defense work, frequently advising on regulatory investigations and representing individuals at criminal trial. Mark is very insightful and is a strong advocate.
Litigation: White-Collar Crime & Government Investigations: The Elite respondentUSAMark is very detail-oriented.
Litigation: White-Collar Crime & Government Investigations: The Elite respondentUSA
Band 4 
Band 4 Howard E Heiss
Howard Heiss is a seasoned white-collar practitioner with expertise handling a broad range of criminal proceedings and investigations, including criminal trials. Band 5 
Band 5 Andrew Geist
Andrew Geist has experience representing public companies, firms and individuals in the financial services sector. He advises his clients in investigations and litigation relating to a wide variety of matters, including financial reporting and insider trading. He is also adept at handling internal investigations.
Andrew is a critical-thinker.
Litigation: White-Collar Crime & Government Investigations: The Elite respondentUSA
Band 5 
Band 5 Rebecca Mermelstein
Rebecca Mermelstein draws on her experience as a former Assistant US Attorney in the US Attorney’s Office for the SDNY to represent her clients in investigations, including grand jury investigations and cross-border matters involving domestic and worldwide regulatory bodies.
Rebecca is just outstanding in her area of expertise.
Litigation: White-Collar Crime & Government Investigations: The Elite respondentUSA
Ranked Individuals at O'Melveny & Myers LLP (5)
New York
David N Kelley
Litigation: White-Collar Crime & Government Investigations
View profile Mark A Racanelli
Litigation: White-Collar Crime & Government Investigations
View profile Howard E Heiss
Litigation: White-Collar Crime & Government Investigations
View profile Andrew Geist
Litigation: White-Collar Crime & Government Investigations
View profile Rebecca Mermelstein
Litigation: White-Collar Crime & Government Investigations
View profile
O'Melveny & Myers LLP has rankings in the following guides
Band 3 USA 2026
Practice area: Litigation: White-Collar Crime & Government Investigations
Location: California
View department profile for USA 2026Band 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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