He specializes in transportation and traffic engineering especially Intelligent Transportation Systems (ITS), sustainable mobility, and transport policy. He has been conducting research and development on Intelligent Transportation Systems (ITS) for more than 20 years. He is involved in ITS activities in Thailand. He served as President of Thai ITS Association (ITS Thailand) from 2008-2012 and from 2017-present. He is also active in ITS activities in Asia-Pacific region.