Calvin Chang is an experienced professional in the plastics and chemicals industry, currently serving as the Head of the Singapore Branch at Covestro since January 2014. Responsibilities include overseeing branch operations, ensuring profitability, legal compliance, and crisis management while supporting the BU-PUR, PCS, and CAS divisions. Prior roles at Covestro include Business Support Manager, where Calvin managed sales for polycarbonate products in Indonesia, and Regional Sales Manager, focusing on automotive and medical segments across the APAC region. Calvin's career began at Bayer (South East Asia) Pte Ltd, where multiple positions included Country Sales Manager for South East Asia and Head of Marketing Unit, emphasizing sales and business management in various sectors. Prior experience includes a Sales Executive role at Nagase Singapore (Pte) Ltd. Calvin holds a Bachelor of Business Administration in Marketing, Finance, and International Business from Simon Fraser University.