Kinghaven continued to produce champions and stakes winners until 2011, but during this time, the farm's operations were scaled back significantly due to David's management responsibilities at the Ontario Jockey Club/Woodbine Entertainment Group; he was president and CEO from 1995 to 2010, then chairman from 2001 to 2012.
Kinghaven continued breeding successful racehorses until 2011, but its operations were reduced due to David's heavy workload managing the Ontario Jockey Club/Woodbine Entertainment Group. He held significant roles there from 1995 to 2010 and then as chairman from 2001 to 2012.