[1] Additionally, he serves as an International Scholar at Tongji University, while also working as an Advisor for injury to the Director General of the World Health Organization and Chief Scientist of Urban Analytica.
[11] Stevenson assumed the role of Senior Lecturer and Head of the Department of Epidemiology and Biostatistics at Curtin University in 1997, later moving to UWA, where he served as Associate Professor and Director of the Injury Research Centre until 2003.
[10][14] Stevenson served as an Epidemiologist at the US Centers for Disease Control and Prevention in 1998,[15] and held the position of Senior Director of Research and Development at The George Institute for Global Health in Sydney, where he also directed the Injury and Trauma Care Division.
[17] Since 2008, he has served as an advisor for injury to the director general of the World Health Organization and also holds the appointment of Chief Scientist and co-founder of Urban Analytica a data analytics company focused on sustainable transport solutions.
[19] He conducted a large-scale study on mobile phone use while driving, revealing a three-fold increased crash risk across all driver demographics which led to legislative changes in Australia, New Zealand, Canada, USA, and UK.
[23] His advocacy, including media appearances and opinion editorials, led to the implementation of graduated driver licensing schemes (GLS) with peer passenger and night driving restrictions across a number of Australian States.
In his study on the aftermath of the May 2008 earthquake in Wenchuan, he highlighted the widespread occurrence of injuries, attributing them to significant loss of life and productivity, proposing low-cost prevention measures to deal with the public health issue of injury-related mortality and morbidity in China.