Don Dinnin, currently retired, was most recently Vice President, Procurement Services, at Metrolinx. Prior to joining Metrolinx, Don held various leadership roles in manufacturing, engineering, supply chain, and procurement within the technology sector – largely with Nortel Networks. During that time, he held a variety of executive positions including VP, Global Planning and Supply Operations, with Research in Motion; VP, Supply (CDMA Business Unit), with Ericsson; and VP, Carrier Networks Supply Chain, with Nortel Networks.

Don holds an Honors Bachelor of Business Administration degree and a Bachelor of Engineering Science degree, both from Western University. He is a Professional Engineer in Ontario and a Chartered Professional Accountant, CPA, CMA.