Rupert Ponsonby, 7th Baron de Mauley

Lieutenant Colonel The Right Honourable The Lord de Mauley KCVO TD FCA
Official portrait, 2018
Master of the Horse
In office 1 January 2019 – 18 June 2024
Monarchs	Elizabeth II Charles III
Preceded by	The Lord Vestey
Succeeded by	The Lord Ashton of Hyde
Parliamentary Under-Secretary of State for Natural Environment and Science
In office 6 September 2012 – September 2015
Prime Minister	David Cameron
Preceded by	The Lord Taylor of Holbeach
Succeeded by	The Lord Gardiner of Kimble
Lord-in-waiting Government Whip
In office 11 May 2010 – 6 September 2012
Prime Minister	David Cameron
Preceded by	The Lord Young of Norwood Green
Succeeded by	The Viscount Younger of Leckie
Member of the House of Lords
Lord Temporal
as an elected hereditary peer 15 March 2005 – present
Preceded by	The 6th Baron Burnham
Personal details
Born	(1957-06-30) 30 June 1957 (age 67)
Political party	Conservative
Parents	Hon. Thomas Ponsonby Maxine Thellusson
Alma mater	Eton College
Military service
Allegiance	United Kingdom
Branch/service	British Army Reserve
Years of service	1976–2005
Rank	Lieutenant colonel
Unit	Royal Wessex Yeomanry

Lieutenant Colonel Rupert Charles Ponsonby, 7th Baron de Mauley, KCVO, TD, FCA^[1] (born 30 June 1957), is a British hereditary peer, former Parliamentary Under-Secretary at the Department for Environment, Food and Rural Affairs and retired Territorial Army officer.