Mr. Cumaranatunga was the Chairman & Managing Director of the David Pieris Group of Companies, where he served for 30 years and 9 months – 24 years as a Director and 2 years prior to that as General Manager. He retired as Chairman on 31st March 2016, having joined as Accountant on 01st July 1985.
During this tenure, the organisation transformed from a relatively small business unit in a single location with a turnover of Rs. 43.3 million and a net profit of Rs. 311,000 in 1985/86, to one of the most profitable, professionally managed conglomerates in Sri Lanka, with a turnover of Rs. 86.2 billion and a net profit of Rs. 11.1 billion in 2015/16, an island-wide reach and a consistent track record of exceptional performance, successfully overcoming numerous challenges. The David Pieris Group of Companies was at the forefront of automotive, financial services, information technology, and logistics businesses, with industry leadership in many spheres, breaching Rs. 10 billion in net profit thrice in five years, from 2011/12 to 2015/16.
He also served as the Chairman of Assetline Leasing Company Limited from 12th October 2010 to 01st April 2015, during which period the Company was among the most profitable entities in the finance leasing industry.
He is a Chartered Management Accountant (ACMA CGMA), a Certified Practising Accountant (CPA), and a Member of the Chartered Institute of Marketing (DipM MCIM).
අධ්යක්ෂ මණ්ඩලයට පත් කිරීම:
ස්වාධීන විධායක නොවන අධ්යක්ෂ වරයකු ලෙස 2017 ඔක්තෝබර් මස 30 වන දින අධ්යක්ෂ මණ්ඩලයට පත් කෙරුණු අතර 2020 පෙබරවාරි මස 12 වන දින සිට බලපැවැත්වෙන පරිදි සමාගමේ සභාපති වරයා ලෙස පත් කරන ලදී.
Currently, he serves as the Chairman of Suvimie Associates (Pvt) Ltd, a Company engaged in local retailing, global trading, manufacturing, and plantations.
He commenced his career as an Executive at Ceylon Shipping Lines in 1981. Thereafter, he joined Richard Pieris & Company as the first Accountant of Richard Pieris Motor Company (subsequently David Pieris Motor Company) in 1985. During his career, he was extensively involved strategically and operationally, in the disciplines of finance & accounting, sales & marketing, information communication technology, and operations. He served as a Council member of the University of Colombo from 27th January 2020 to 20th April 2022.
අධ්යක්ෂ මණ්ඩල අනු කමිටුවල සාමාජිකත්වය:
He is the Chairman of the Board Nomination Committee and a Member of the Board Audit Committee, the Board Integrated Risk Management Committee and the Board Human Resources & Remuneration Committee.