Gemma was born in Sydney, Australia. She began dancing at the age of three years old at Northern Ballet Studios and, at the age of 15, progressed to full-time ballet training at Tanya Pearson Academy and later at Dance North Academy.

Throughout her training, she had opportunities to perform in various productions, including The Nutcracker, Le Corsaire, and Paquita. She also participated in several competitions, including becoming a semi-finalist in the Margot Fonteyn International Ballet Competition in 2021. In 2022, she was awarded the Royal Academy of Dance Solo Seal Award.

She has performed in Rite of Spring by Kinsun Chan, Linea Adora by Timothy Harbour and Opus 25 by Edwaard Liang, along with the classic ballets Swan Lake, Don Quixote, Sleeping Beauty, Cinderella, and The Nutcracker

Gemma joined Singapore Ballet as an Apprentice at the end of 2023 and was promoted to Artist in 2025.