After graduating from Music Industry Management degree in 2004, Jemma secured a position with Kobalt Music Publishing where she pitched and licensed songs by acts including Eminem, Gwen Stefani, Guns N Roses, Max Martin, Ryan Tedder. In 2010 Jemma moved to PIAS as Sync and Brand Manager, running a new division to secure Sync deals and Brand Partnerships for indie label clients. Following PIAS, Jemma expanded into Music Supervision as Head of Music Buying for Cord at McCann Erickson. In this role she was responsible for all music supervision for their adverts. In 2012, Jemma established her own consultancy, providing creative and licensing services to agencies and brands. She also represents a select group of artists. In 2018, Jemma joined the Resilient team as a freelance licensing consultant.
Jemma has been a panellist and Judge for sync on several events including Cannes Lions, AIM, Sensoria, Music and Sound Awards, Production Music Awards, London Sync Sessions and has worked with many major brands including Dulux, B&Q, Weight Watchers, Orange, Foster Grants, Caribbean, Royal Caribbean Symphony, 32 Red, BUPA, Argos. Jura, Carling, Samsung, Vauxhall, FA, Sony Xperia, Powownow, ITV, XFactor, Dubai Airports, Qatar Airways.