Jonathan Green's practice focuses on securities enforcement, litigation and arbitration, white collar criminal defense, and internal corporate investigations. He recently was named Co-Chair of the firm's Anti-Corruption practice. He routinely counsels clients on a variety of compliance, regulatory, and disclosure issues.

Mr. Green brings a wealth of experience from his public service. As an Assistant US Attorney in the Eastern District of New York, he investigated, prosecuted and tried to verdict criminal matters involving allegations of securities fraud, money laundering, mortgage fraud and violations of the Foreign Corrupt Practices Act (FCPA), among others. Additionally, Mr. Green established and led the Eastern District's Mortgage Fraud Task Force where he supervised the combined efforts of numerous federal and state law enforcement agencies. Mr. Green also served as Deputy Chief of the Office's General Crimes Section, and was presented with the Department of Justice's Director's Award for superior performance as an Assistant US Attorney.

As a former Senior Counsel in the Division of Enforcement of the Securities and Exchange Commission (SEC), Mr. Green brings unique experience and an insider's perspective to the firm and his clients, having investigated and prosecuted cases involving accounting improprieties, market manipulation, public company disclosure issues, insider trading, unregulated securities offerings, broker-dealer compliance matters, FCPA violations, and investment advisor relations.

Mr. Green received his JD from Seton Hall University School of Law, where he was a member of the Law Review and Moot Court Board. He clerked for Honorable Dora L. Irizarry, Chief Judge for the Eastern District of New York.


  • NYSE-listed company in connection with SEC investigation relating to accounting charges.
  • A professional global sports association in connection with multiple US Department of Justice (DOJ) investigations concerning allegations that athletes have participated in corrupt match-fixing schemes across the globe.
  • Numerous multinational financial services firms in connection with investigations from the SEC, CFTC, DOJ, FINRA, SROs and other regulators.
  • An audit firm in response to an SEC investigation regarding the valuation of highly illiquid assets.
  • A charity facing an investigation from the New York Attorney General's Charity Bureau.
  • NYSE listed Greek shipping and fuel logistics company in conducting an internal investigation relating to almost $200mm in suspicious assets recorded on the company’s books.
  • Residential property management company and related individuals in connection with a joint investigation involving the United States Attorney's Office for the Eastern District of New York (USAO EDNY) and the New York City Department of Investigation (DOI).
  • Several clients in FINRA arbitrations.
  • A multinational financial services firm in connection with an SEC investigation relating to Fair Value accounting treatment of certain asset-backed securities. This representation resulted in the closure of the SEC's investigation with no charges.
  • Two investment advisors with a combined AUM over $150 billion in connection with an SEC initiative relating to alleged conflicts of interest in the collection of 12b-1 fees.
  • A private equity fund in connection with an SEC investigation of a portfolio company.
  • The CEO of a commodity pool operator in connection with a SEC and CFTC investigation relating to valuation of assets. This representation concluded with no charges filed against the CEO.
  • The CEO of a mobile technologies company facing a criminal investigation relating to alleged securities fraud. This representation concluded with no charges filed against the CEO.
  • Traders in connection with LIBOR and ISDAFIX investigations. These representation concluded with no charges filed against the traders.
  • An investment advisor facing an SEC insider trading investigation. This representation concluded with no charges filed.
  • An executive of a foreign automobile parts manufacturer facing scrutiny from the DOJ antitrust division.
  • Individuals in a small investment advisory firm in connection with a FINRA investigation.
  • Investigations relating to the mortgage crisis, including prosecutions for defrauding. Fannie Mae and other purchasers in the secondary markets.
  • An NYSE-listed security in a "marking the close" case involving the manipulation of the closing price.


Capping Off the ACI FCPA Conference: A Town Hall with SEC, DOJ, and FBI Officials
Enforcement Edge: Shining Light on Government Enforcement
“We Follow the Money,” “The Pipeline Is Strong,” “If We Find You, It Is Going to Be a Worse Result”: FCPA Enforcers Talk About the Past Year and What’s to Come
Enforcement Edge: Shining Light on Government Enforcement
ABA Panels Reflect on the Pitfalls and Pendulums in Cross-Border and Corruption Cases
Enforcement Edge: Shining Light on Government Enforcement
ABA Conversation with SEC, CFTC, and DOJ Enforcers and Regulators Reflects Coordination, Aggressive Enforcement
Enforcement Edge: Shining Light on Government Enforcement
SPACs 101
Arnold & Porter Webinar


The Legal 500 US
M&A/Corporate and Commercial: Corporate Governance (2019)
Corporate Investigations and White-Collar Criminal Defense (2015, 2017)
Benchmark Litigation
"Under 40 Hot List" (2016)
US Attorney's Excellence in Criminal Litigation Award
Two-time recipient


  • JD, Seton Hall University School of Law, 2001
  • BA, Political Science, Florida State University, 1998
  • New York
Government & Military Service
  • Senior Counsel, Division of Enforcement, Securities and Exchange Commission
  • Assistant US Attorney, US Attorney's Office, Eastern District of New York
  • US District Court, Eastern District of New York, The Honorable Dora L. Irizarry
  • Faculty, National Advocacy Center

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