IGI (Investigative Group International, Inc.) is a preeminent corporate investigations and risk advisory firm comprised of former prosecutors, forensic accountants, researchers, investigators, and analysts who come from federal and state law enforcement, the White House, intelligence agencies, finance, and journalism.

IGI collects timely, accurate intelligence and conducts confidential fact-finding investigations with the utmost discretion in complex cases worldwide for clients including law firms, corporations, investment banks, hedge funds, universities, public agencies, and prominent individuals. Our experience with high-profile cases is matched by our ability to handle sensitive matters.

For over 30 years, we have worked with clients to make effective use of the information we gather—including by building a case against an opponent for referral to government regulators or law enforcement; marshalling facts to support the client’s narrative in crisis situations; and developing information for dissemination to news media. 

IGI has been described as “Washington’s premiere investigative firm” by The National Journal, as “the gold standard in private financial detection” by The New York Times, and as “legendary for its “opposition research” probes - political or otherwise - that expose unseen connections” by The Washington Post.

Hedge Funds

Law Enforcement

Politics

IGI's headquarters in Washington, United States

Thomas Wendel

Vivek K. Jain

Robert S. Mason

Douglas E. Graham

Ann Keating

The Leadership Team at IGI oversees the strategic direction and overall management of the firm, ensuring that operations align with the company’s mission and values. Comprised of the CEO, Executive Vice Presidents, General Counsel, and Managing Director, this team is responsible for decision-making on high-profile cases, resource allocation, risk management, and maintaining the firm's reputation for discretion and reliability. They guide the firm's investigative and advisory work, fostering a culture of excellence and integrity in complex global cases.

Leadership Team

The Research and Development team at IGI is responsible for pioneering investigative methodologies and technologies, ensuring the organization's capabilities remain at the cutting edge. This team conducts in-depth analyses, develops innovative research techniques, and collaborates on complex fact-finding missions to unearth critical information for high-stakes cases. Their work equips IGI with the tools needed to support clients in resolving sensitive and high-profile matters effectively.

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IGI

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Teams

Leadership Team

Research and Development

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IGI

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Teams

Leadership Team

Research and Development

Offices

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