Alex Peter Schmid (born 3 November 1943, in Chur) is a Swiss-born Dutch scholar in terrorism studies and former Officer-in-Charge of the Terrorism Prevention Branch of the United Nations. In 2006 he was appointed to a Chair in International Relations at St Andrews University as well as succeeding Magnus Ranstorp as Director of its Centre for the Study of Terrorism and Political Violence (CSTPV). Since 2009, he is the editor of the journal Perspectives on Terrorism.
Prior to his appointment to St Andrews, Schmid served as Officer-in-Charge of the United Nations' Terrorism Prevention Branch in Vienna, where, from 1999 to 2005, he held the position of a Senior Crime Prevention and Criminal Justice Officer. Before joining the United Nations, he held the Synthesis Chair on Conflict Resolution at the Erasmus University in Rotterdam. He also taught International Relations at the Department of Political Sciences of Leiden University where he acted as Research Coordinator of the Interdisciplinary Research Programme on Causes of Human Rights Violations (PIOOM).
He was an Einstein Fellow at the Harvard Center for International Affairs, Harvard University, and served on the Executive Board of the International Scientific and Professional Advisory Council (ISPAC) of the United Nations Crime Prevention and Criminal Justice Programme. Schmid is a Member of the World Society of Victimology and a Corresponding Member of the Royal Netherlands Academy of Arts and Sciences since 2004. He also is a Member of the European Commission's Expert Group on Violent Radicalisation.
The Supreme Court of India adopted Alex P. Schmid's definition of terrorism in a 2003 ruling (Madan Singh vs. State of Bihar), "defin[ing] acts of terrorism veritably as 'peacetime equivalents of war crimes.'"