Summary
Mark Tan is an executive leader and entrepreneur based in Singapore with 8 years of senior experience and a 30+-year career footprint spanning defence procurement, corporate strategy, marketing and sustainability. As Executive Director & CEO of Cactus Communications he builds cross-sector programmes—smart city policy, sustainability initiatives, and technology partnerships—that drive long-term competitive advantage and measurable impact. He has founded and led multiple ventures including a defence-focused consultancy, a blockchain IP startup, and a sustainability practice that worked with ministries and multinational clients across ASEAN and beyond. Experienced in global market development from roles at ST Kinetics and NCS, he blends government procurement know-how with corporate communications, crisis management and M&A-informed strategy. A recent Harvard ALM in Sustainability and an author of fiction, he brings rare depth across technical, policy and human-centred narratives—often spotting systemic opportunities others miss.
9 years of coding experience
15 years of employment as a software developer
Executive Diploma (Governance & Directorship), Executive Diploma (Governance & Directorship) at Singapore Management University
Master of Arts in Sustainability (ALM), Master of Arts in Sustainability (ALM) at Harvard University
GCE A Level, Pure Science, GCE A Level, Pure Science at Raffles Institution
Master of Business Administration (MBA), Master of Business Administration (MBA) at National University of Singapore
English, Chinese, Chinese, Mandarin, French, Japanese, Malay, morse code