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This content is provided by Michael Osnato.

Practice Areas

Michael J. Osnato, Jr., former Chief of the Complex Financial Instruments Unit of the Securities and Exchange Commission’s Enforcement Division, is a Litigation Partner and member of the Firm’s Government and Internal Investigations Practice. He focuses on high-stakes regulatory and criminal matters, government investigations, sensitive whistleblower complaints and SEC examination and compliance counseling. Representative matters include high-profile accounting fraud, asset valuation, FCPA, insider trading, public company disclosure and adviser conflicts of interest investigations before multiple government agencies.


Joined the Firm in 2017; U.S. Securities and Exchange Commission from 2008-2017; prior practice at prominent global law firms.

Professional Memberships

American Bar Association; New York City Bar Association White Collar Committee; SEC Enforcement Alumni.


Co-author of Simpson Thacher Regulatory and Enforcement Alert.


J.D. with honors from Fordham Law School in 1997; B.A. with honors from Williams College in 1994.