[9] Rooney played football with Home Farm, Shamrock Rovers, St Patrick's Athletic and Bohemians.
[10] In 1996, it was acquired by a team funded by Dermot Desmond and led by Fran Rooney.
As CEO, Rooney developed Baltimore Technologies into a global data security company.
[11] In 1998, Bill Clinton and Bertie Ahern signed an Electronic Commerce deal using Baltimore's technology.
[13][14] Rooney was the chief executive officer of the Football Association of Ireland from 1 May 2003 to 3 November 2004.
[17][18] After his role at the FAI; Rooney was the Executive Chairman of Vimio from 2004 to 2005, Ice Broadband from 2004 to 2008 and Mingo since 2017.