Robbie is an industrial designer, whose aim is to make sustainable transport the easiest choice to make. He pursues this goal by designing innovative vehicles and transport systems, studying a cross section of the built environment including bicycles, buses, the road rules, and how people use mobility systems. Robbie's research outputs span practice and theory, from innovative vehicles and parking, to novel studies on the transition to sustainable modes of transport. He has created novel ways of studying bicycle use and guiding industry through the transition to renewables. Robbie is an active member of the US National Academy of Science’s Transportation Research Board: Bus Transit Systems and an Associate of Monash University's Public Transport Research Group. He rides all kinds of bicycles.