Perran Coak is an executive director of AECOM and heads the railway group in Hong Kong. He has over 30 years of experience, with the last 20 years focused on transportation projects, specialising in railways. He has been involved in various projects, including feasibility studies to detailed design and construction support. He has participated in the last two railway development strategy studies in HK. The most recent railway development strategy-2014 has recommended seven new railway projects to support society, people's livelihood and economic development in HK. In the Chief Executive's most current Policy Address 2022, four of these railway projects have proceeded to detailed planning and construction. Perran is planning the future railway network beyond 2030 under the 'Strategic Study on Railways beyond 2030' for the Railway Development Office of the Highways Department.
Besides railways, Perran has participated in studies on environmental transit systems in the Hung Shui Kiu/Ha Tsuen new development area and East Kowloon to help deliver sustainable transit systems to serve these areas better.