Mr. Pramuk Dediwela started his career in January 1989 and has over 32 years of experience in the fields of Marketing and Sales, Material and Logistics, Finance, Manufacturing and Administration as well as Human Resources management under Alumex Group. He joined Alumex PLC and its subsidiaries in December 2010 as an Executive Director. Later on, in November 2017, he became the Chief Operating Officer and then became the Managing Director in July 2018.

Mr. Dediwela is a Marketer cum Financial Economist and holds a Master in Financial Economics (University of Colombo), Master of Business Administration (University of Southern Queensland), Post-Graduate Diploma in Business and Financial Administration (CA Sri Lanka/Cranfield - UK), Postgraduate Diploma in Marketing (Chartered Institute of Marketing - UK). Mr. Dediwela is a member of the Advisory Committee on Light Engineering sector under EDB, Ministry of Industry & Supply Chain Management and holds Membership of Sri Lanka Economics Association. He is a Council Member of the Foundry Development & Services Institute of Sri Lanka.