Marilyn is one of Australia's leading cycling safety research experts. She is a Senior Researcher at the Monash University Institute of Transport Studies where she leads the Active Transport and Micro-Mobility group. Over the last decade, her research has focused on how cyclists and drivers can safely share the road including translation of rigorous academic research into action. She is also the Research and Policy Manager at the Amy Gillett Foundation and was a major contributor to the national campaign a metre matters, that changed the road rules to improve safety when drivers and cyclists share the roads in Australia. Marilyn also led the new AGF campaign Live, Drive, Ride like a local that aims to humanise cyclists.
Marilyn managed the development of Sharing Road Safely, the vulnerable road user awareness training program for heavy vehicle drivers. Based on international best practice, including the UK Safe Urban Driving course, she led the adaptation of international best practice for the Australian context.