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Leavey School of Business Santa Clara University
Department ofAccounting

van Drunen, Guido

Guido van Drunen

Quarterly Lecturer, Accounting

Guido van Drunen is a forensic accounting expert and business strategist with over 3 decades of experience in high-profile investigative work as well as alternative investment management. Valued for his integrity, Guido has adeptly managed crises, mitigated risk, and settled business disputes for organizations of all sizes. Combining analytical examination with financial acumen, Guido is skilled in building profitable alternative investment portfolios and driving revenue growth. A trusted advisor to executives and boards, he brings equitable resolutions to challenging situations through collaboration and effective communication. Post his retirement from KPMG he is teaching at two Universities and working as an independent consultant in Silicon Valley. 

As a partner at KPMG, Guido developed the firm’s forensics practice in the Pacific Northwest and Silicon Valley. Leading a large team responsible for investigating cases of fraud, abuse, intellectual property theft, and other illegal acts, he served a variety of clients ranging from Fortune 50 companies to private individuals. In addition to managing the Western region’s forensics team, Guido served as the Global Forensics Lead for the Diversified Industrials and Technology business lines, generating additional revenue for the firm through client referrals. He was also a member of the KPMG Partnership Audit Committee.

Prior to his role at KPMG, Guido oversaw a significant portfolio as the Director of Alternative Investments. He and his team developed a world-class due diligence methodology, realigned investments, created protocols, and formalized reporting. He also co-founded the company’s asset protection and recovery department, leading a team of global investigators working to detect and deter fraud and other abuses. 

Guido began his investigative career as a Customs Officer in the Port of Rotterdam and subsequently at the Inland Revenue Department of New Zealand, starting as an Investigating Accountant and ultimately leading a team as the National Advisor on Investigations Policy. During his tenure, Guido was a committee representative, reporting to the Department of the Prime Minister and Cabinet for strategy development to address white-collar crime. He was also selected as a New Zealand representative to the Financial Action Task Force that developed and set strategy for the implementation of 40 United Nations recommendations related to money laundering. 

The author of numerous articles and white papers, Guido is a recognized subject matter expert on topics such as fraud, compliance, and private equity. He has been a featured speaker in various international and domestic settings as well as a guest lecturer for many academic institutions, including University of Washington, Washington State University, Seattle University, Western Washington University, and the Royal New Zealand Police College.

A former board member and observer of several venture-capital-backed technology and life sciences companies, Guido also served on the Dow Chemical Employees’ Credit Union Audit Committee.

Guido earned a Bachelor of Business Studies in Accounting and Finance, a Master of Business Studies, and a Post Graduate Diploma in Accountancy from Massey University of New Zealand. He is a Chartered Accountant, Certified Fraud Examiner, Certified Internal Auditor, and a Certified Anti–Money Laundering Specialist. He speaks fluent English and Dutch as well as conversational German and Spanish.