Jenny Miller studied as a mezzo-soprano at the London National Opera Studio, having won the prestigious Peter Stuyvesant Award. In 1983–84 she understudied and performed the title role in Glyndebourne Festival Opera’s production of La cenerentola. This led to her official festival debut as Pallade in L’incoronazione di Poppea the following year, and she sang Cherubino in Glyndebourne Touring Opera’s Le nozze di Figaro that autumn. In 1985 she won both the first prize for mezzos and the Erna Spoorenburg Opera Prize at the ’s-Hertogenbosch International Singing Competition and continued to sing as a mezzo for 15 years with most of the major English companies.
She has since sung Brunnhilde/Ring cycle, title role/Tosca and Witch/Hansel and Gretel for Longborough Festival Opera, and began developing a parallel career as a director. Her directing credits include Dido and Aeneas, Britten’s Noye’s Fludde and Krása’s Brundibár with Benenden School Kent and Schools Outreach East Sussex, Hell Hath No Fury based on 17th-century solo cantatas, Bizet’s Pearl Fishers for Opera South East, Alcina for Grimebourne (Barefoot Opera) and Carmen (Barefoot Opera Young Artists Tour).
In 2017 Jenny directed the Weaver Dance Company's production and tour of The Story of Mars and Venus and toured La boheme with her company Barefoot Opera. Jenny is currently developing a new Peoples' Opera, A TOWN, composed by Orlando Gough.