Mark Pack, Baron Pack
| The Lord Pack | |
|---|---|
| Official portrait, 2025 | |
| President of the Liberal Democrats | |
| Assumed office 1 January 2020 | |
| Leader | Ed Davey & himself (acting) Ed Davey | 
| Preceded by | Sal Brinton | 
| Leader of the Liberal Democrats | |
| Acting 1 January 2020 – 27 August 2020 | |
| Deputy | Ed Davey | 
| Preceded by | Ed Davey & Sal Brinton (acting) | 
| Succeeded by | Ed Davey | 
| Member of the House of Lords Lord Temporal | |
| Assumed office 29 January 2025 Life peerage | |
| Personal details | |
| Born | Mark Anthony Pack 27 July 1970 | 
| Citizenship | British | 
| Political party | Liberal Democrats | 
| Alma mater | University of York | 
| Website | www | 
Mark Anthony Pack, Baron Pack (born 27 July 1970) is a British politician who has served as the president of the Liberal Democrats since 1 January 2020. After the party's leader, Jo Swinson, lost her seat in the 2019 December election, Pack served as acting leader alongside Ed Davey from 1 January 2020 to 27 August 2020, when Davey was elected as leader.