Lisa Harvey-Smith is an award-winning astronomer and Professor at the University of New South Wales. In 2018 she was appointed as the Australian Government's Ambassador for Women in Science, Technology, Engineering and Mathematics (STEM). She is the author of When Galaxies Collide and best-selling children's book Under the Stars, both published by Melbourne University Press. Lisa is also a regular on national tv/radio/media, and has appeared in several TV series and documentaries as a guest scientist and is a presenter alongside Prof. Brian Cox on ABC TV's Stargazing Live.