Simon MacMahon Head of ESG Research, Sustainalytics Simon MacMahon is Head of Research Products at Sustainalytics and is a member of the company’s Executive team. He oversees all ESG and corporate governance research as well as the management of Sustainalytics’ ESG ratings products. Prior to leading the firm’s research efforts, Simon was the Head of Sustainalytics’ Advisory Services team. Simon has a master’s degree in Business Administration from the Schulich School of Business, professional certification from the Greenhouse Gas Management Institute and is a certified Global Reporting Initiative (GRI) trainer. He is a board member of the Responsible Investment Association.