Martin Guy Fiennes, 22nd Baron Saye and Sele, (né Twisleton-Wykeham-Fiennes; born 27 February 1961),[1] styled as Lord Saye and Sele, is an English peer and businessman.[2]
Fiennes is the second son of Nathaniel Fiennes, 21st Baron Saye and Sele (1920−2024),[3] who changed the family's surname from Twisleton-Wykeham-Fiennes to Fiennes by deed poll in 1965,[1] [4] and Mariette Helena Salisbury-Jones (born 1935) and a grandson of Sir Guy Salisbury-Jones.[1] He became heir to the barony of Saye and Sele in 2001 following the death of his older brother, Richard, from epilepsy.[5] His twin sister is the artist Susannah Fiennes and his youngest brother is the writer William Fiennes;[1] another brother, Thomas, died in a road accident in 1968 at the age of three.[5] A member of the Twisleton-Wykeham-Fiennes family, he is a cousin of the actor Ralph Fiennes and the explorer Sir Ranulph Fiennes.
After attending Eton College, Fiennes studied at Brasenose College, Oxford,[5] before completing an MBA at Ashridge Management College.[2]
On 28 September 1996 he married Pauline Kang Chai Lian, with whom he has three sons: Guy Fiennes (b. 1997), Ned Richard Ling Fiennes (b. 1999) and Ivo Fiennes (b. 2009).[1]
Fiennes works in venture capital and joined Oxford Science Enterprises in 2015.[2] He also manages the family seat, Broughton Castle,[3] and in 2018 was appointed Deputy Lieutenant of Oxfordshire.[6] [7]
He succeeded his father as Lord Saye and Sele in 2024.[3]