Jenna was born in Weymouth and started taking ballet lessons at the age of three. She trained in all types of genre of dance through to the age of 11 and was accepted into the Royal Ballet School. During her training at the Royal Ballet School she was fortunate enough to have the opportunity to choreograph and went on to win several prizes at the annual choreographic competition. At the age of 16, Jenna was offered a place at English National Ballet School, where she continued her training. Whilst there, Jenna was selected by the BBC to choreograph a trailer advertising the European Grand Prix for young dancers.
In 2002, whilst still at the school, she worked with English National Ballet during their Christmas season, and was subsequently offered a contract with the company.
Her repertoire includes The Lilac Fairy, The Fairy of Temperament, Diamond Fairy in Sleeping Beauty. The Queen of Hearts in Alice In Wonderland. Lead Swans in Swan Lake. Queen of the Willis in Giselle and The Mistress in Manon. Jenna was promoted to First Artist within the Company in 2007, and to Soloist in 2008.