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Mark J. Sullivan, CFE
Principal, Forensic Accounting and Investigative Services Practice Leader
Grant Thornton

Mark Sullivan is a principal in the economic advisory services practice in the Chicago office. Mark specializes in corporate investigations, fraud prevention and detection, and litigation support. For more than 25 years, Mark has worked with companies and their counsel worldwide to investigate frauds, develop and implement anti-fraud programs, and identify vulnerabilities within their organizations. His advanced interviewing skills and his team of forensic accountants, eDiscovery and computer forensic professionals provide an unparalleled response to complex investigations and litigation matters.

Experience:

Vendor Fraud. Mark managed a team in a complex analysis to prove allegations of kickbacks and improper vendor relationships at a major consumer products firm. The investigation resulted in several criminal convictions and civil judgments in excess of $100 million.

Compliance. Mark was engaged to provide an independent review of an internal investigation of possible False Claims Act violations on behalf of a Fortune 50 company. His team of forensic accountants and IT specialists reviewed and tested the corporation’s findings that were presented to the Department of Justice.

Intellectual Property. Mark led the review and audit of intellectual property for a global chemical manufacturer. Mark and his team conducted the work in the U.S. and China.

Industry Experience:

Throughout his career, Mark has worked closely with in-house and outside counsel, audit committees, internal audit staff, and corporate security departments to develop procedures and manage intricate investigations.

Mark served as a Managing Director and national practice leader for Kroll’s corporate loss prevention practice. Prior to Kroll he was the loss prevention practice leader at Deloitte. Earlier in his career, he served as a partner in a regional consulting firm and senior consultant in the fraud and security practice at Arthur Andersen.

Professional qualifications and memberships:

• Board of Directors - Association of Certified Fraud Examiners Foundation
• Advisory Committee Member  - Center for Interviewing Standards & Assessment
• American Society of Industrial Security
• Certified Fraud Examiner (CFE)
• Certified Forensic Interviewer (CFI)
• Certified Protection Professional (CPP)

Education:

Mark earned his bachelor of science from Southern Illinois University in Administration of Justice.

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