Jacob Dean was born in 2000 and started playing the Horn when he was 7 years old.
In 2017 he started studying in London at the Royal Academy of Music with Martin Owen, Richard Watkins and Michael Thompson. Since 2019 he has been enrolled at the Hanns-Eisler Conservatoire of Music in Berlin, where he studies with Marie-Luise Neunecker and Stefan Dohr.
He was a member of the German and British National Youth Orchestras and the Schleswig-Holstein Musikfestival Orchestra. From February 2019 onwards, he has been on trial for Principal Horn of the Scottish Chamber Orchestra. Since August of 2019 he is also the Academist for High Horn in the Hamburg State Opera Orchestra.