Ms Tammie Tham is a Director of SMRT Trains Ltd.

Ms Tammie Tham is a seasoned cybersecurity entrepreneur and executive with over 20 years of leadership experience in the Asia-Pacific region. She founded Accel Systems & Technologies in 2012 and led the company to a successful acquisition by StarHub Ltd in 2017. Following the merger that created Ensign InfoSecurity, she was appointed Group CEO in 2019 and led the firm’s growth into one of Asia’s largest cybersecurity companies until stepping down in December 2024.

Ms Tham currently serves as an Advisor at Simplifynext, a technology consulting firm specialising in AI, hyper-automation, and next-generation applications. She is also a board member of the Singapore Institute of Technology, Mediacorp, iFAST Corporation, Charity Council, and National Kidney Foundation Singapore.