Jessamy graduated as a joint clarinet and saxophone scholar from the Royal College of Music in 2014 where she received the Stephen Trier and Boconnoc awards. Before joining the RCM, she went to Wells Cathedral School at the age of 9, under the DFEs scholarship scheme. Jessamy is a keen ensemble and orchestral performer, originally from a classical music background but with a keen interested and flare for jazz. She joined NYJO on the Bari Sax, graduating in 2018.