Jessica Gallagher was born in Geelong, Australia. At the age of seventeen, she was diagnosed with cone dystrophy, a rare eye disease, and was classified as legally blind. Gallagher went on to represent Australia as a Paralympic alpine skier, track-and-field athlete, and tandem cyclist. She won alpine-skiing bronze medals at both the 2010 Vancouver and 2014 Sochi Winter Paralympics, and at the 2016 Rio Paralympics became the first Australian to medal at both summer and winter games when she won a track-cycling bronze medal. Gallagher is an osteopath, and global ambassador and board director for Vision 2020 Australia.