The Board of Directors (the “Board”) is responsible for overseeing the management and the business and affairs of TriSummit Utilities and believes that good governance improves performance and benefits all Shareholders. Accordingly, the Board is committed to a high standard of governance. The responsibilities of the Board and each of its committees are set out in written mandates and other key governance documents. For the key governance documents, Governance Documents.

 David W. Cornhill

Cornhill Crop 
David W. Cornhill, MBA, LL.D (Hon)
Chair of the Board of Directors, Independent Director

Mr. Cornhill is Chair of the Board of Directors. Mr. Cornhill is a founding shareholder of AltaGas Services Inc. (AltaGas Ltd.’s predecessor) and was Chair since its inception until April 1, 2019. Mr. Cornhill remains on the AltaGas Ltd. Board of Directors where he served as Chief Executive Officer from 1994 to 2016. He also served as interim Co-Chief Executive Officer from July to December 2018. Prior to AltaGas Ltd., Mr. Cornhill served in the capacities of Vice President, Finance and Administration, and Treasurer, and subsequently as President and Chief Executive Officer at Alberta & Southern Gas Co. Ltd.

Mr. Cornhill is a member of the Board of Directors of Imperial Oil Limited and a member of the Ivey Advisory Board at Western University. He holds both a Bachelor of Science (Hons.) and a Master of Business Administration from Western, and was awarded an honorary Doctor of Laws degree by Western in 2015.