He was instrumental in founding FLOW 93.5 in Toronto, the first urban music-format radio station in Canada when it first went on the air in 2001, and where he was the station's first music director and Vice President of Business Development. His success as an artist manager, radio personality and executive along with the success of the station prompted Canadian Idol's producers to select him as a judge before its 2003 launch. He is the recipient of the Bob Marley Community Role Model Award, The Urban Music Association of Canada's Special Achievement and Media Personality of the Year Awards. Flex was the honorary co-chair of the successful re-election campaign of Toronto Mayor David Miller.
Flex was the original manager of Maestro, Canada's first mainstream rapper, and has also taken several former Idol contestants under his wing to promote their albums, such as Gary Beals and Toya Alexis.