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William Olsen

Director, Compliance & Advisory


Bill Olsen helps companies identify and proactively address red flags that may indicate potential compliance issues or violations of law.

As a forensic accountant and SECIL Law’s Director of Compliance and Advisory, Bill’s services—including internal investigations, forensic accounting, and more—operate in tandem with the legal expertise of SECIL Law’s attorneys to give clients a seamless process in investigation and compliance.

Bill helps high-risk businesses ensure compliance with federal and state laws and regulations, such as the Foreign Corrupt Practices Act, False Claims Act, and Bank Secrecy Act. Clients often include companies doing business in geographic regions with a large risk of corruption, government contractors, and companies in heavily regulated industries.

With twenty-five plus years of experience at global accounting firms, Bill is able to provide SECIL Law clients with services that many law firms need to outsource. Instead of giving clients off-the-shelf forensic accounting services, he prides himself on creating solutions right-sized to SECIL Law’s clients.

A proactive approach

Bill helps clients formulate policies to satisfy the SEC, Department of Justice, Department of Defense, and other agencies. But often the challenge lies in maintaining compliance over time. Bill assists clients with implementing policies, building training programs, establishing codes of conduct, and other efforts, in a way that fits each company’s unique needs. Bill’s investigations and reports also have helped clients negotiate favorable agreements with federal agencies.

Bill frequently works with companies’ information technology departments to gather and analyze data, identifying potential issues before they can become a real problem. For example, he helps companies perform data analytics and due diligence on third-party contractors to identify warning signs of illegal or unethical activity.

Global experience

Bill has worked for global accounting and advisory companies, a multinational corporation, a law firm, and federal and state government agencies. With this diverse experience, Bill has a nuanced and multifaceted picture of his clients’ needs. He was the global security manager for a Fortune 500 company during a major international expansion. The company was often the first American company in many high-risk markets. He brings this experience to compliance issues that corporations face as they enter new markets and face potential fraud, bribery, and corruption issues.

Outside of the office, Bill is an adjunct professor at the University of New Haven, a program ranked number one in forensic sciences by US News and World Report. He teaches a graduate-level course on bribery and corruption to students who include law enforcement, corporate security directors, and auditors. He is also the author of “The Anti-Corruption Handbook: How to Protect Your Business in the Global Marketplace.” In short, he enjoys explaining the concepts on which he’s built his career to up-and-coming security, law enforcement and accounting professionals.

  • M.S., forensic accounting, Stevenson University
  • B.S., accounting, Regis University
  • B.A., sociology, Villanova University
  • Top 50 Trailblazers and Pioneers, National Law Journal (2014)
  • “Consulting Magazine” Top 25 Consultant, Consulting Magazine (2012)
Civic Involvement
  • Adjunct Professor, University of New Haven

Bill has over 40 years of experience in forensic advisory services. He specializes in investigations and consulting services. He has also performed forensic examinations and due diligence investigations. Bill previously was a principal at a major global accounting firm in its Forensic Advisory practice and was the national practice leader for Anti-Corruption and Investigation Services.

Professional activities & memberships
  • Institute for Fraud Prevention, Past President
  • Institute of Internal Auditors, CIA
  • Association of Certified Fraud Examiners, CFE
  • Association of Certified Anti-Money Laundering Specialists