Tom Dielen was born on 8 April 1968 in Mortsel, Belgium.
He holds a Master of Engineering in Computer Science from Catholic University Leuven and a Sport Management Degree from the Belgian Olympic Academy. He is also multilingual and speaks Dutch, English, French and German fluently.
Tom started archery at university as an athlete, then as a coach and organiser. He has been Belgian university champion, Swiss champion and competed in all disciplines of archery. He still competes recreationally.
Starting his career as an Associate Analyst for a Belgian company called SWIFT, where he was responsible for asset support for clients in London, New York, Paris and Luxembourg, Tom was then appointed Executive Director of World Archery in 1996. His responsibilities then included daily management of the federation, including the coordination of World Archery Championships, the archery events at the Atlanta and Sydney Olympic Games, and preparation of the Athens and Beijing Olympic Games.
After gaining valuable experience with World Archery, Tom decided to move his career in a new direction. In 2002, he joined the World Anti-Doping Agency as Director of the European Regional Office.
For over three years, he fulfilled numerous responsibilities with the highest impact on anti-doping. Notably, he was the liaison with the International Federations, the International Olympic Committee, National Olympic Committees in Europe, organising committees of Olympic Games and other mutlisport organisations. He was also a member of the Anti-Doping Code project team from 2002 to 2003, a member of the ADAMS project team from 2003 to 2004, WADA’s representative at the general assemblies of ASOIF, GAISF, AIOWF, ARISF, EOC and responsible for the managment of WADA’s European office.
In 2005, Tom returned to his first love when he was appointed Secretary General of World Archery, his current position. He was given the challenging task of managing a federation and sport gaining popularity worldwide.
Tom was elected to the Executive Committee of the International World Games Association in 2006, serving as Vice President from 2010 to 2014. He was then re-elected to the IWGA Executive Committee for a third term. In 2012, he became a member of the ASOIF Olympic Games and Multisport Games working group, which has contributed substantially to the redefinition of the role International Federations play at the Olympics as part of Agenda 2020.
In 2014, Tom was appointed as the International Federations' representative to the WADA Compliance Review Committee, monitoring compliance of all WADA stakeholders. He is also chair of ASOIF’s Parasport Working Group and, during the International Paralympic Committee’s General Assembly in 2017, was elected to the inaugural board of the Association of Paralympic Sports Organisations.
Since 1989, as a former archer and instructor, Tom has taken on key administration roles and actively participated in the development of archery at all levels, particularly the organisation of many indoor and outdoor tournaments in Belgium and Switzerland.
He was President of the organising committee of the World University Archery Games in Louvain-La-Neuve from 1989 to 1993, Administration and Finance Director for the European Indoor Archery Championships from 1994 to 1996, Chairman of FISU’s Technical Commission for Archery from 1997 to 2000 and member and Chairman of the Swiss Archery Federation Sports Commission from 2002 to 2012 and a member of the board until 2016. He was also on the board of the organising committee of the 2002 World Curling Championships in Lausanne and Competition Manager for the Nottwil 2014 European Para Archery Championships.
Tom is also a member of the Swiss Association of Sports Managers, as well as being an active member of the Compagnie des Archers de Lausanne. Tom is also a member of the Panathlon Club Lausanne.
He is married to Olympic archer Nathalie Dielen.