Jeroen Heijmans is an information technology (IT) professional from the Netherlands. Fascinated by the Olympics since he was nine years old, he is involved in the OlyMADMen, a group that attempts to collect complete historic results of the Olympic Games (partially available on www.sportsreference.com/olympics). He has written extensively about the Olympic Games on the Dutch sports history site Sportgeschiedenis.nl and is a member (and the web master) of the International Society of Olympic Historians (ISOH).