Ms. Tham is the Group CEO of Ensign Infosecurity (Ensign). Headquartered in Singapore, Ensign is the largest pure-play cyber security service provider in the Asia Pacific. Prior to Ensign, she founded Accel Technologies (Accel), a company that specialised in cyber security systems integration. In 2017, Accel was acquired by StarHub Ltd and it was later folded into Ensign. Tammie also held a leadership position in companies like BT Frontline and IBM. She has been serving on the Board of Trustees of the Singapore Institute of Technology, and the MediaCorp Board. She is a member of the Personal Data Protection Commission (PDPC)’s Data Protection Advisory Committee (DPAC), serves as an Advisor to the Association of Information Security Professionals, and co-chairs the Cyber Security Agency’s Cyber Security Awareness Alliance which aims to enhance awareness and promote adoption of essential cybersecurity practices.