Mark Pack, Baron Pack

The Lord Pack
Official portrait, 2025
President of the Liberal Democrats
In office
1 January 2020 – 1 January 2026
LeaderEd Davey & himself (acting)
Ed Davey
Preceded bySal Brinton
Succeeded byJosh Babarinde
Liberal Democrat Spokesperson for the Cabinet Office in the House of Lords
Assumed office
13 May 2026
Member of the House of Lords
Life peerage
29 January 2025
Leader of the Liberal Democrats
Acting
1 January 2020 – 27 August 2020
Serving with Ed Davey
DeputyEd Davey
Preceded byEd Davey & Sal Brinton (acting)
Succeeded byEd Davey
Personal details
BornMark Anthony Pack
(1970-07-27) 27 July 1970
CitizenshipBritish
PartyLiberal Democrats
Alma materUniversity of York (BA, PhD)
Websitewww.markpack.org.uk
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Mark Anthony Pack, Baron Pack (born 27 July 1970) is a British politician who served as the president of the Liberal Democrats from 1 January 2020 until 31 December 2025. 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.