Mark Gerretsen
| Mark Gerretsen | |
|---|---|
| Gerretsen as Mayor of Kingston, 2014. | |
| Chief Government Whip | |
| Assumed office May 14, 2025 | |
| Prime Minister | |
| Preceded by | Rechie Valdez | 
| Deputy Leader of the Government in the House of Commons | |
| In office September 16, 2023 – May 14, 2025 | |
| Prime Minister | |
| Preceded by | Sherry Romanado | 
| Succeeded by | TBD | 
| Member of Parliament for Kingston and the Islands | |
| Assumed office October 19, 2015 | |
| Preceded by | Ted Hsu | 
| Mayor of Kingston, Ontario | |
| In office December 1, 2010 – December 1, 2014 | |
| Preceded by | Harvey Rosen | 
| Succeeded by | Bryan Paterson | 
| Personal details | |
| Born | John Mark Gerretsen June 5, 1975 Kingston, Ontario, Canada | 
| Political party | Liberal | 
| Spouse | Vanessa Gerretsen | 
| Children | 3 | 
| Parent | John Gerretsen (father) | 
| Residence(s) | Kingston, Ontario | 
| Alma mater | Queen's University St. Lawrence College | 
Mark Gerretsen MP (born June 5, 1975) is a Canadian politician who is the Member of Parliament for Kingston and the Islands as a member of the Liberal Party of Canada. He was first elected in the 2015 federal election, and re-elected in 2019, 2021 and 2025. He currently serves on the Standing Committee for Procedure and House Affairs and is the former Chair of the Ontario Liberal Caucus.
Gerretsen currently serves as Deputy Leader of the Government in the House of Commons. He previously served as the Parliamentary secretary to the Leader of the Government in the House of Commons, a position he held effective December 3, 2021. Prior to his election to the House of Commons, Gerretsen served as Mayor of Kingston from 2010 to 2014.