Old Boys contribute to Rondebosch in various ways, including serving on various committees and trusts.
Jock McKenzie is chairman of the Rondebosch Boys Schools Education Trust which prioritises and co-ordinates major fundraising activities for the benefit of Rondebosch. The late former South African Chief Justice Michael Corbett, Dick Goss, former head of South African Breweries, and John Benn were the previous chairmen. The other trustees are Stephen Duffett, Ken Andrew, John Le Roux, Jock McKenzie, Dennis Nick, Anton Melck, Mike Reeler, Bakar Jakoet and the Chairmen of the Prep and High School Governing Bodies.
Old Boys may also be elected in their capacity as parents to the Prep and High School Governing Bodies and the Little Bosch committee. Members of the Union's commitee attend Prep and HigH School Govening Body meetings as observers and provide input on matters of mutual interest.
An Old Boy may also be nominated by the Union to the Bosch Rugby Supporters’ Club committee. The Union's nominee is André Ross.
In addition each sub-union in South Africa and around the world has its own committee, click here to view
The trustees of the Carleton Lloyd Educational Trust are Jock McKenzie, John Benn and Mike Brewis (former RBHS Governing Body Chairman), with André Ross also attending some of their meetings.