Frederick Matthew Thomas Ponsonby, 4th Baron Ponsonby of Shulbrede, Baron Ponsonby of Roehampton (born 27 October 1958), is a British peer and Labour Party politician. He served as Parliamentary Under-Secretary of State for Justice from 2024 to 2025.
The only son of Thomas Ponsonby, 3rd Baron Ponsonby of Shulbrede, and Ursula née Fox-Pitt, he attended Holland Park School, before studying Physics at Cardiff University, graduating BSc 1980. He then pursued post-graduate studies in Engineering at Imperial College London, CEng 1997.
Lord Ponsonby was elected a Fellow of the Institute of Materials, Minerals and Mining (FIMMM) in 1996.
Succeeding as Baron Ponsonby of Shulbrede upon his father's death in 1990, he took his seat in the House of Lords as a hereditary peer in 1991, sitting on the Labour benches.
Lord Ponsonby represented Roehampton Ward as a councillor on Wandsworth London Borough Council from 1990 to 1994.
Along with all but 92 of his fellow hereditary peers, Lord Ponsonby was ejected from the upper house following the enactment of the House of Lords Act 1999. Having sat on the Lords Opposition frontbench as a spokesman on Education from 1992âÂÂ1997 as well as on various parliamentary sub-committees, in 2000 he was created a life peer, in addition to his hereditary title, as Baron Ponsonby of Roehampton, of Shulbrede in the County of West Sussex, which meant he could resume sitting in the House of Lords.
Having served as an Opposition spokesperson for Justice from April 2020 and Home Affairs from May 2021, on 9 July 2024, Ponsonby was appointed Parliamentary Under-Secretary of State for Justice and as a Lord-in-Waiting.
A justice of the peace (JP) for Westminster since 2006, Ponsonby was admitted as a Freeman of the City of London in 2024.
On 5 July 1995, he married Sarah Catriona Pilkington Jackson (born 1957), former chief executive of the charity Working Families, and daughter of Richard d'Orville Pilkington Jackson (1921âÂÂ2008).
Lord and Lady Ponsonby live in London and have two children: