Richard Assheton Dermot Dinan (born 1986) is a British businessman, author and former reality television personality. He first gained public attention as a cast member of the E4 reality series Made in Chelsea. Dinan later founded Pulsar Fusion, a company involved in developing nuclear fusionâÂÂbased propulsion technology. He is also the author of a popular science book on nuclear fusion.
Dinan was born in 1986 in England to Lady Charlotte Curzon and Captain John "Barry" Dinan. He is the grandson of Edward Curzon, 6th Earl Howe and through his maternal lineage, he is a descendant of Francis Curzon, 5th Earl Howe, a racing driver who won the 1931 LeÃÂ Mans race. He is also the first cousin of Cressida Bonas.
Dinan grew up in Penn, Buckinghamshire and attended St Edward's School, Oxford but left after completing his GCSEs at ageà16. He trained briefly as a gunsmith with Holland & Holland before founding Ammunition, a shortâÂÂlived youthâÂÂculture magazine.
In Marchà2012, Dinan joined the cast of the structuredâÂÂreality TV series Made in Chelsea, appearing as a supporting cast member from seriesà3 toà5à(2012âÂÂ2013), with a brief return in seriesà10à(2015). The series featured his development of a highâÂÂtech wearable called the "Senturion".
Dinan also founded Applied Fusion Systems (later renamed Pulsar Fusion) to develop compact fusion reactors for energy and spacecraft propulsion. InÃÂ 2017, Pulsar Fusion began work on a Spherical tokamak reactor inspired by research at the Culham Centre for Fusion Energy.
Inà2017, Dinan authored The Fusion Age: Modern Nuclear Fusion Reactors. In the same year, he was among the patrons at a ChristieâÂÂs art auction benefiting the PrinceâÂÂs Foundation âÂÂChildren & the Arts,â which provides artsâÂÂengagement programs for disadvantaged youth.
Dinan serves as the chief executive officer of Pulsar Fusion. During his tenure, Pulsar Fusion developed and successfully tested nitrousàoxide and polyethyleneâÂÂbased rocket engines inà2021 at a Ministry of Defence site in Salisbury. Inà2023, Pulsar Fusion introduced a fusionâÂÂpowered rocket concept called Sunbird.