Aeisha Mastagni is a portfolio manager in the Sustainable Investment and Stewardship Strategies unit of the California State Teachers’ Retirement System, the largest educator-only pension fund in the world. She is responsible for working with a dedicated team to further CalSTRS’ mission of securing the financial future and sustaining the trust of California’s educators. Aeisha is part of the team that oversees the Sustainable Investment Portfolio and leads CalSTRS’ stewardship efforts, which includes proxy voting, corporate engagement and working with regulatory authorities on market-wide issues. During her time at CalSTRS, Aeisha has become a prolific media spokesperson and participates in interviews concerning environmental, social and governance topics, including proxy voting, executive compensation and corporate climate disclosures. She speaks with both notable mainstream and pension industry outlets, including The Wall Street Journal, Financial Times, Bloomberg, Reuters and Pensions & Investments. In 2012, Aeisha joined the board of directors at Golden 1 Credit Union, one of the nation’s largest credit unions with more than $14 billion in assets and one million members. In 2015, she joined the board of the Council of Institutional Investors, whose mission is to be the leading voice for effective corporate governance, and in 2023, she was elected chair of the CII board. Before joining CalSTRS, Aeisha worked in the Corporate Governance unit of the California Public Employees’ Retirement System for six years, overseeing the proxy voting program and the corporate governance manager portfolio. Prior to CalPERS, she worked in Operations at Salomon Smith Barney before moving to Morgan Stanley as a financial advisor and assistant operations manager. Aeisha has a bachelor’s degree in economics from California State University, Sacramento.