Founder of Petra Petroleum, Inc. and Heart Force Medical, Inc., William David McCartney is a businessperson who has been the head of 5 different companies and presently occupies the position of Chairman of Heart Force Medical, Inc. and President & Chief Executive Officer for Pemcorp Management, Inc. Mr. McCartney is also on the board of Mercer International, Inc. and Golden Valley Mines & Royalties Ltd. and Member of Chartered Professional Accountants of Canada.

In the past William David McCartney occupied the position of Director at Vinza Capital Management, Inc., Independent Director at Terrace Energy Corp. Chief Financial Officer & Director at Bowram Energy, Inc. and Chief Financial Officer & Director at Woodbridge Energy Ltd. (both are subsidiaries of Terrace Energy Corp.), Founding Partner of Davidson & Co., Director at Newstrike Capital, Inc., Director-Business Development of Core Gold, Inc., Member of The Institute of Chartered Accountants of British Columbia and Independent Non-Executive Director at Petra Petroleum, Inc.

William David McCartney received an undergraduate degree from Simon Fraser University.