He was succeeded as team president by Sherwood Schwarz who then appointed Michael 'Pinball' Clemons to the position in 2002.
[2] After two years working for Neil Jamieson, the owner of the Toronto ThunderHawks, he became Chief financial officer of the Montreal Expos.
[3] In 2007, he left the Nationals and founded Wizard Sports Groups and was a member of the Canadian Olympic Committee.
On 5 November 2003, Howard Sokolowski and David Cynamon bought the team with assistance from David Braley, so when Braley bought the team from Sokolowski and Cynamon on 9 February 2010, Nicholson remained as president.
[3] In 2011, he resigned as president of the Argonauts and returned to Wizard Sports Group and was succeeded by Chris Rudge.