Cr Marsden works in the field of active transport infrastructure as an analyst of cycling and walking networks. He has previously served in the Australian Army as a helicopter pilot. Cr Marsden brings the values of ecological sustainability, social justice, and peace and non-violence to his decisions on Council. He actively promotes consensus decision making on Council, where possible. Cr Marsden has a strong commitment to grassroots democracy and is answerable to the citizens of Hobsons Bay — and no one else.
Cr Marsden is the co-chair for the Integrated Transport Portfolio Advisory Committee and the Environmental Sustainability Advisory Committee. He is a member of the Metropolitan Transport Forum Executive, a director of LeadWest, and the Chair of the Western Transport Alliance.