Ernest Sim

Ernest Sim is a Singapore-based technology entrepreneur currently serving as the Co-Founder and CTO of both Atlas and Grain. At Grain, he helped scale the venture-backed food platform to millions in revenue and a Series B funding round in May 2019, growing the workforce to over 1,000 employees. He subsequently launched Atlas in 2021 to build a comprehensive restaurant operating system for Southeast Asia, securing backing from investors associated with Y Combinator, Microsoft, and McKinsey. Previously, Sim worked as the Director of Technology at Method, delivering software projects for major clients including Samsung and the Ministry of Education. After serving as a Commando Medic in the Singapore Armed Forces and earning an Information Technology diploma from Ngee Ann Polytechnic, his career focus remains centered on developing scalable infrastructure for the food and beverage technology sector.