Paul started his career in 1993 as a Brand manager at Procter & Gamble. From 2009 to 2015, he was a director of ABC Center Singapore, specializing in Applied Behavioral Analysis (ABA) for children with Autism. During 2015-2017 Paul worked as a Columnist of Forbes Philippine Edition, reporting on entrepreneurial perspectives and experiences, and Board member of Draper Venture Network. 
Paul is a Co-founder of a variety of companies, including Tholons Southeast Asia, Vertex Solutions and Dentsu Indio. Currently, he is a Managing partner at Wavemaker Partners and Director of Pestbusters Philippines. In addition, Paul is an Advisory Board Member of Singapore-MIT Alliance for Research & Technology Innovation Centre.