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William, Tam Chee Jian

Business Development Manager
IoT Consultant

Resides in



Singapore University of Social Science


Internet-of-Things (IoT), Digital Marketing, B2B Sales


• Founder of MinusOne Digital, covering tech, digital marketing, and business
• 3+ years of Business Development in IoT for cold chain, food services, and healthcare


William Tam joined MWI in April 2020 as a sales & marketing trainee, and subsequently promoted to a business development role over the years. He has a diverse background in B2C sales and media production prior to joining MWI, and is now specializing in business management. He is responsible for leading the sales, marketing, and product development team.

William is now conducting Digital Marketing and Sales courses in his free time as a method to reinforce his fundamentals and give back to the community by sharing his knowledge & experience.