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John P. Cunningham

John P. Cunningham


Washington, DC
Alexandria, VA

How John Helps Clients

John Cunningham concentrates his practice on internal and government investigations, corporate compliance, and white collar defense. He advises clients on a broad range of criminal, regulatory, and compliance concerns, focusing on the FCPA and global corruption, money laundering, fraud, M&A due diligence, life sciences and healthcare issues, export controls, trade sanctions, digital currency, cannabis law, asset forfeiture, and attorney-client privilege. His practice includes representing companies before the DOJ, FBI, SEC, FinCEN, HHS, FDA, OFAC, CBP, and other agencies in connection with such matters.

He also specializes in designing, developing, and refining corporate compliance programs in harmony with current agency expectations and requirements. At the core of his practice is an emphasis on providing clients with the right tools – from a compliance, investigations, and government enforcement perspective -- to deter, detect, prevent, and resolve problems, while attentively guiding them through each step of the process.

Prior to joining Buchanan, John worked for over ten years at one of the largest international law firms in the world. He also has extensive federal enforcement experience, having served as a senior trial attorney with the DOJ and an investigative analyst for the criminal division of the FBI. Additionally, he was a federal law clerk to the Honorable Gerald B. Lee in the Eastern District of Virginia.

John’s clients are primarily companies and other entities seeking experienced counsel in an investigative context or striving to enhance their compliance programs to mitigate risk and maximize employee and operational productivity. He counsels companies across a spectrum of sectors, including health care, life sciences, financial services, consumer products, hospitality, energy, manufacturing, and entertainment.

What Clients Can Expect

Given John’s background as a DOJ senior trial attorney and federal law enforcement investigator, coupled with his experience in both large and small law firms, he has managed a variety of matters and clients across a wide range of industry sectors. Clients rely on his unique government and defense experience, hands-on approach, accessibility, and keen legal insight to help find customized, timely solutions.

Outside the Office

In his personal time, John is an avid tennis player, drummer in a D.C.-based band and travel, sports, and history enthusiast.

Proof Points

  • Conducted comprehensive anti-corruption, anti-money laundering, trade sanctions, fraud, and immigration-related internal or government-directed investigations for multiple companies, including life science and health care entities, financial service firms and associations, transportation and hospitality businesses, product manufacturers, a renowned consulting group, an energy company, an IT services firm, and an engineering corporation
  • Advocated to obtain advantageous outcome for international information services firm in extensive DOJ, FBI, and SEC investigations for alleged fraud and internal controls issues.
  • Designed, implemented, and defended comprehensive U.S. and global compliance programs for business products, aerospace, technology services, private equity, IT, engineering, infrastructure, consulting, retail, public relations, medical device, and life sciences companies.
  • Directed targeted compliance evaluations and corresponding program enhancements for corporations in various industries, including banking and finance, management and consulting, technology, mobile devices, solar energy, product manufacturing, casinos, and hospitality.
  • Performed fulsome anti-corruption, anti-money laundering, trade sanctions, and third-party-focused risk assessments for multinational corporations in a vast array of industry sectors, including technology, life sciences, manufacturing, industrial equipment, mobile devices, retail, food services, and consulting.
  • Led FCPA, anti-money laundering, general compliance, and related pre- and post-acquisition due diligence projects for mergers and acquisitions by companies in the financial services, energy, life sciences, consulting, technology, product development and manufacturing sectors.
  • Favorably resolved federal cases for individuals in a cross-jurisdictional criminal money laundering matter involving alleged gambling proceeds and in a multi-state immigration fraud matter.
  • Investigated and successfully defended federal prosecutions against individuals for counterfeiting, asset forfeiture, espionage, and narcotics-related allegations.