Roger J. M. Dassen

Global Vice Chairman, Risk, Regulatory & Public Policy, DTTL Global Chief Ethics Officer

Roger J. M. Dassen

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Roger J. M. Dassen is the Global Vice Chairman, Risk, Regulatory, and Public Policy of Deloitte Touche Tohmatsu Limited (DTTL). In this capacity, Roger also serves as the Global Chief Ethics Officer and is a member of the DTTL Executive. Dassen is a former CEO of Deloitte Netherlands.

His previous Deloitte leadership roles included serving as Global Managing Director of Clients, Services, and Talent (DTTL), National Managing Director Accounting & Auditing of Deloitte Netherlands, and as a member of the DTTL Global Assurance Leadership Team.

Dassen has been a Deloitte Netherlands audit partner since 1996, and has served as advisory partner and/or global LCSP for a number of the firm’s largest clients in several industries, including the financial services sector. His prior professional activities include serving as Chairman of the International Federation of Accountants (IFAC) Transnational Auditor’s Committee, a member of IFAC’s International Auditing and Assurance Standards Board, and Chairman of the Dutch Auditing Standards Board. He is the author of several textbooks on auditing in English, Mandarin, and Dutch, and has published a significant number of academic and professional articles.

Dassen is full professor of auditing at the Free University of Amsterdam. He is a Dutch CPA, with a master’s degree in economics and business administration, and a PhD in business and economics from the University of Maastricht.

Roger J. M. Dassen