Guillaume Mascotto is Head of ESG and Investment Stewardship at American Century Investments, leading the firm's ESG investment research and stewardship platform. Using a proprietary analytical framework, his team integrates financially material ESG factors into American Century Investments' active investment process. Mascotto also manages the incorporation of ESG matters into American Century Investments' proxy voting process and drives the development of new ESG-oriented products. Prior to joining American Century Investments in 2017, he was a vice president, ESG credit research at PIMCO, where he was responsible for analysing financially material risks and opportunities arising from ESG factors and integrating ESG themes into PIMCO's credit research process. Prior to joining PIMCO, he was a senior ESG analyst at MSCI. Mascotto earned a bachelor’s degree and a master’s degree in international affairs from the University of Quebec in Montreal. He also holds a master's degree in international business and economics from The Fletcher School at Tufts University.