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Tarek J. Helou
Partner
Litigation
Washington, D.C.

D202-973-8863

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  • Corporate Investigation and Trial Experience from 12 Years as a Federal Prosecutor

    From 2014 to 2019, Tarek was an assistant chief in the DOJ’s FCPA Unit and served as a trial attorney in the FCPA Unit from 2012 to 2014. In these positions, he served as the decision maker for some of the DOJ's largest, most complex international criminal investigations. From 2007 to 2012, Tarek was an assistant U.S. attorney in San Francisco.

  • Wide-Ranging Industry and Geographic Expertise in Corporate Investigations

    Tarek has deep expertise in all aspects of government investigations, having led or supervised more than 100 FCPA investigations focusing on every major industry, including companies in the technology, software, data analytics, medical device, pharmaceutical, mining, oil and gas, and finance sectors. He has also led investigations in six continents.

  • Subject Matter Expert
    • Chambers and Partners recognized Tarek as a leading FCPA attorney, and Global Investigations Review included Tarek in its "Top FCPA Practitioners" list as one of the leading 30 lawyers and forensic advisers in the FCPA space. He has also been quoted in high-profile publications and media outlets, including Bloomberg, The Wall Street Journal, and NPR.

Tarek Helou is a partner in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where he represents companies in internal investigations and defends companies and individuals in multi-jurisdictional government enforcement actions. He also handles crisis management and advises clients on risk assessments, compliance, and due diligence, with a focus on anti-corruption matters. Tarek, a former supervisor in the U.S. Department of Justice's Foreign Corrupt Practices Act (FCPA) Unit, has deep expertise in all aspects of government investigations. At the DOJ, he led or supervised more than 100 FCPA investigations focusing on every major industry. Those investigations have resulted in FCPA, wire fraud, money laundering, and tax charges against publicly traded and privately held companies, board members and executives, and senior foreign government officials.

Tarek is an experienced trial lawyer and investigator who has a deep understanding of how prosecutors think and how the Justice Department approaches criminal cases. His practice is driven by this experience and his insight into what the Justice Department and other U.S. and foreign government agencies expect companies to do when they conduct internal investigations, interact with the government, and implement and improve their compliance programs.

Before joining the firm, Tarek spent 12 years at the Justice Department. From 2014 to 2019, he was an assistant chief in the FCPA Unit of the Criminal Division's Fraud Section, and he also served as a trial attorney in the FCPA Unit from 2012 to 2014. In these positions, he led and supervised teams of agents and prosecutors in the Criminal Division and U.S. Attorney's Offices throughout the country and coordinated investigations with domestic regulators and foreign criminal and regulatory authorities throughout the world. In addition, Tarek selected and supervised seven independent corporate compliance monitors. He also helped develop the FCPA Pilot Program and the FCPA Corporate Enforcement Policy. While in the FCPA Unit, Tarek was the lead attorney or supervisor for some of the Justice Department's most significant corporate and individual cases, including corporate resolutions with companies in the software, hardware, telecommunications, defense, oil and gas, retail, life sciences, and medical device industries.

His cases against individual defendants included charges against dozens of board members, executives, and foreign government officials.

Before joining the FCPA Unit, Tarek was an assistant U.S. attorney (AUSA) in the U.S. Attorney's Office for the Northern District of California from 2007 to 2012. As an AUSA, he tried several cases and investigated and prosecuted cases involving drug trafficking, gangs, violent crime, child exploitation, money laundering, and tax fraud and evasion.

Before serving as a federal prosecutor, Tarek was an associate in the San Francisco and Silicon Valley offices of a global law firm from 2001 to 2007, where he represented companies, boards of directors, and executives in internal and government-facing investigations concerning fraud and trade secrets misappropriation and in intellectual property litigation.

Tarek is nationally recognized as one of the top attorneys in his field of practice having been recognized as a leading FCPA attorney by Chambers USA and identified by Global Investigations Review as a "Top FCPA Practitioner." Tarek has also been quoted in high-profile publications and media outlets, including Bloomberg, The Wall Street Journal, and NPR.

Experience

Tarek Helou is a partner in the Washington, D.C., office of Wilson Sonsini Goodrich & Rosati, where he represents companies in internal investigations and defends companies and individuals in multi-jurisdictional government enforcement actions. He also handles crisis management and advises clients on risk assessments, compliance, and due diligence, with a focus on anti-corruption matters. Tarek, a former supervisor in the U.S. Department of Justice's Foreign Corrupt Practices Act (FCPA) Unit, has deep expertise in all aspects of government investigations. At the DOJ, he led or supervised more than 100 FCPA investigations focusing on every major industry. Those investigations have resulted in FCPA, wire fraud, money laundering, and tax charges against publicly traded and privately held companies, board members and executives, and senior foreign government officials.

Tarek is an experienced trial lawyer and investigator who has a deep understanding of how prosecutors think and how the Justice Department approaches criminal cases. His practice is driven by this experience and his insight into what the Justice Department and other U.S. and foreign government agencies expect companies to do when they conduct internal investigations, interact with the government, and implement and improve their compliance programs.

Before joining the firm, Tarek spent 12 years at the Justice Department. From 2014 to 2019, he was an assistant chief in the FCPA Unit of the Criminal Division's Fraud Section, and he also served as a trial attorney in the FCPA Unit from 2012 to 2014. In these positions, he led and supervised teams of agents and prosecutors in the Criminal Division and U.S. Attorney's Offices throughout the country and coordinated investigations with domestic regulators and foreign criminal and regulatory authorities throughout the world. In addition, Tarek selected and supervised seven independent corporate compliance monitors. He also helped develop the FCPA Pilot Program and the FCPA Corporate Enforcement Policy. While in the FCPA Unit, Tarek was the lead attorney or supervisor for some of the Justice Department's most significant corporate and individual cases, including corporate resolutions with companies in the software, hardware, telecommunications, defense, oil and gas, retail, life sciences, and medical device industries.

His cases against individual defendants included charges against dozens of board members, executives, and foreign government officials.

Before joining the FCPA Unit, Tarek was an assistant U.S. attorney (AUSA) in the U.S. Attorney's Office for the Northern District of California from 2007 to 2012. As an AUSA, he tried several cases and investigated and prosecuted cases involving drug trafficking, gangs, violent crime, child exploitation, money laundering, and tax fraud and evasion.

Before serving as a federal prosecutor, Tarek was an associate in the San Francisco and Silicon Valley offices of a global law firm from 2001 to 2007, where he represented companies, boards of directors, and executives in internal and government-facing investigations concerning fraud and trade secrets misappropriation and in intellectual property litigation.

Tarek is nationally recognized as one of the top attorneys in his field of practice having been recognized as a leading FCPA attorney by Chambers USA and identified by Global Investigations Review as a "Top FCPA Practitioner." Tarek has also been quoted in high-profile publications and media outlets, including Bloomberg, The Wall Street Journal, and NPR.

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On June 2, 2026, Roblox announced the acquisition of Morpheus AI, an AI lab building video world models. Wilson Sonsini Goodrich & Rosati advised Roblox on the transaction.
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Wilson Sonsini Practices, Attorneys Recognized in 2026 Chambers USA Guide
The 2026 Chambers USA guide has recognized Wilson Sonsini Goodrich & Rosati as a leading law firm in 44 geography-specific practice categories and named 87 Wilson Sonsini attorneys among the best in their fields. This year, the firm received four new practice area rankings, including in the nationwide National Security and Capital Markets: Convertible Debt categories, and three improved practice area rankings.
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Recent Events
Speaking Engagements
ABA's International Law Section's 2026 Annual Conference
Wilson Sonsini litigation partner Tarek J. Helou will speak at the American Bar Association International Law Section’s 2026 Annual Conference, on May 12–14 in Washington, D.C. This conference brings together 600+ lawyers from five continents for high-level programs on cross-border legal and business developments, with a particular focus on enforcement, compliance, and the rule of law.
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Speaking Engagements
ACI’s 20th Annual FCPA & Anti-Corruption for the Life Sciences Industry
Wilson Sonsini Litigation partner Tarek Helou will co-present “Managing the Risks of Government-Run Healthcare Systems: Mitigating Global Corruption and More Potential Exposure in Drug and Device Research, Testing and Approvals in Foreign Jurisdictions” on Thursday, May 8 at 3 p.m. EST at American Conference Institute’s (ACI) 20th Annual FCPA & Anti-Corruption for the Life Sciences Industry event. Topics include:
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