David Freiberg is the Impact Investing and Accounting Lead for the Climate Change and Sustainability Solutions (CCaSS) division at EY. He leads EY Japan’s impact services and supports companies globally to develop and implement impact strategies and impact accounting practices. Prior to joining EY, he was one of the founding members of Harvard Business School's Impact Weighted Accounting Initiative. He has led the development of impact and ESG services at leading consulting firms and law firms.