John A. MacDonald is a businessperson who has been at the head of 5 different companies. Presently, Mr. MacDonald is Chairman at Paritygo, Inc. Mr. MacDonald is also on the board of Watsco, Inc. and Electrovaya Corp.

In the past he held the position of President, Chief Executive Officer & Director at EnerCare Solutions, Inc., President, CEO & Non-Independent Director at EnerCare, Inc., President & Chief Executive Officer at Hydro One Telecom, Inc. and President & Chief Executive Officer at The Consumers' Waterheater Income Fund.

He received an undergraduate degree from the University of Toronto.