Calvin joined Amazon Papyrus Chemicals in early 2016 as CFO. In early 2019, he was promoted to Group Finance & Admin Director with his role expanded to cover supply chain management, production, IT, admin and investor relations. Amazon Papyrus is a leading specialist chemical provider for the pulp and paper industry and has businesses in 14 markets in Asia. He helped the shareholders of Amazon Papyrus to sell to another private equity in 2021.

Prior to Amazon Papyrus, he worked for Jardine Matheson Group for over 20 years and had held senior management roles in various business units, both listed and unlisted units in HK, Singapore and Indonesia. Calvin graduated from Warwick University, UK in Accountancy & Financial Analysis, and qualified as a Certified Public Accountant with PriceWaterhouse. He also attended Advance Management Programme in Insead.

He is an outdoor enthusiast and adrenalin seeking traveler. His other interests are in high fidelity music, badminton, hiking and gym.