[2] It was through his history of paddling that Chambers became one of the founding directors of the Ottawa Dragon Boat Festival[3] and served as its chairman from 1999 to 2001.
[2] In 2001, Chambers was elected president of the association (later renamed Canadian Olympic Committee) after running against fellow lawyer Doug Hamilton.
[7] Immediately following the 2002 Winter Olympics, Chambers initiated and spearheaded an appeal on behalf of cross country skier Beckie Scott which ultimately led to Beckie Scott having her bronze medal won at the Games upgraded to gold in accord with the Order of the Court of Arbitration for Sport.
[2][8] He was re-elected as president in 2005[9] and in October 2008, became the first Canadian to be elected vice-president of the Pan American Sports Organization.
[11] He then served as vice chair of Vancouver's 2010 Olympic and Paralympic bid and on VANOC's Governance and Ethics committee.
[10] In 2012, the president of the Association of National Olympic Committees (ANOC) announced he would like to create a Legal Commission consisting of Chambers, Gilbert Grésenguet, and Marc Theisen.