Prof. Dr. iur. Mark Pieth (born 1953) is Professor of Criminal Law and Criminology at the University of Basel, Switzerland. He completed his studies, his PhD in criminal procedure and his habilitation thesis (on sanctioning and broader criminological topics) at this University; after an extensive period abroad (most notably at the Max-Planck-Institute for Criminal Law and Criminology, Germany and the Cambridge Institute of Criminology, UK) and a time in private practice at the Bar (as Advokat).

From 1989 to 1993 he was Head of Section on Economic and Organised Crime in the Swiss Federal Office of Justice (Ministry of Justice and Police). In this position he was involved in drafting legislation against money laundering, organised crime, drug abuse and corruption and also on the confiscation of assets. As an official and later as a consultant to governments he has acquired extensive experience in international fora, e.g. as a Member of the Financial Action Task Force on Money Laundering (FATF) between 1989 and 1993, the Chemical Action Task Force on Precurser Chemicals, as Chairman of an Intergovernmental Expert Group of the United Nations (UN) to determine the extent of illicit trafficking in drugs (in 1990).

Since 1990 Prof. Pieth has been chairing the OECD Working Group on Bribery in International Business Transactions. He has published extensively in the field of economic and organised crime, money laundering, corruption, sanctioning and criminal procedure. He has served as Dean of the Faculty of Law at the University of Basel. From 2003 to 2005 he was Member of the Independent Inquiry Committee into the Iraq Oil-for-Food Programme by the UN Secretary General. He has also assumed various presidencies and memberships of national commissions in Switzerland (President of the Expert Group of the National Research Programme on Violence and Organised Crime, Former President of the Federal Commission on Data Protection in the Medical Profession, Member of the Swiss Federal Gaming Commission, Member of the Consultative Commission to the Federal Administration of Finances on the Prevention of Money Laundering etc.). Mark Pieth co-founded the Basel Institute on Governance of which he is Chairman of the Board. He has been a consultant to corporations, international organisations and foreign governments on issues related to governance, participates in the Wolfsberg AML Banking Initiative as a facilitator and is Board Member of the World Economic Forum Partnering against Corruption Initiative (PACI).