Mr.Dielwart was formerly Chief Executive Officer of ARC Resources Ltd.,which owns and operates oil and gas properties in Western Canada.He oversaw the growth of ARC Resources Ltd.from start-up in 1996 to a company with a total capitalization of approximately $10 billion at the time of his retirement.
After his retirement from ARC Resources Ltd.on January 1,2013,Mr.Dielwart re-joined ARC Financial Corp.("ARC Financial") as Vice-Chairman.ARC Financial is Canada's leading energy-focused private equity manager.Mr.Dielwart provides leadership support for the executive team in the areas of internal governance and investment decision-making.With his extensive background in creating,building and leading one of Canada's most successful oil and gas companies,mentorship of ARC Financial employees as well as management of ARC Financial's investee companies is a primary responsibility.He is a member of ARC Financial's Investment and Governance committees,and currently represents ARC Financial on the board of Modern Resources Ltd.and Aspenleaf Energy Limited.
Prior to joining ARC Financial in 1994,Mr.Dielwart spent 12 years with a major Calgary-based oil and natural gas engineering consulting firm,as senior vice-president and a director,where he gained extensive technical knowledge of oil and natural gas properties in western Canada.
Mr.Dielwart has a Bachelor of Science with distinction (civil engineering) degree from the University of Calgary.He is a member of the Association of Professional Engineers and Geoscientists of Alberta (APEGA) and is a Past-Chairman of the Board of Governors of the Canadian Association of Petroleum Producers (CAPP). In 2015,Mr.Dielwart was inducted into the Calgary Business Hall of Fame.Mr.Dielwart is also a director and former Co-Chair of the Sheldon Kennedy Child Advocacy Centre.
At TransAlta,John is Chair of the Governance,Safety and Sustainability Committee and a member of the Audit and Risk Committee.