Ryan O'Quinn advises public issuers and private corporations on regulatory compliance and corporate governance issues, investigations and complex business litigation.

Acting on behalf of institutional clients in the Financial Services, Healthcare and Transportation sectors, Mr. O'Quinn's engagements often involve parallel proceedings in multiple forums throughout the United States and internationally. Sophisticated individual clients engage Mr. O'Quinn to defend allegations of corporate misconduct by state and federal regulators and criminal authorities. An experienced trial attorney, Mr. O'Quinn is often retained to investigate and defend allegations of corporate misconduct, including inadequate corporate disclosure, securities sales and marketing violations, breach of fiduciary duty and fraud-related claims.

Having spent nearly a decade serving as a securities regulator and federal criminal prosecutor, Mr. O'Quinn brings a unique perspective to internal investigations, complex civil litigation teams, and regulatory and corporate criminal defense efforts. 

Prior to government service, Mr. O'Quinn advised public issuers and institutional buyers engaged in M&A transactions. Drawing on his transactional experience, Mr. O'Quinn contributes significant value to clients conducting due diligence on acquisition targets and drafting sensitive corporate disclosure.

Recent engagements include the defense of complex, multi-forum parallel proceedings alleging securities fraud in a series of EB-5 offerings, a federal securities enforcement action alleging a $1.2 billion offering fraud, post-merger securities class action and derivative litigation, SEC regulatory investigation of revenue recognition in a large health system, HHS-OIG and FBI investigations of Medicare Advantage health plans and managed service organizations, and a federal investigation of environmental crimes for a client in the offshore oil and gas, shipping and logistics industries.