Aeisha Mastagni
Portfolio Manager
Sustainable Investment & Stewardship Strategies

Aeisha is a Portfolio Manager within the Sustainable Investment & Stewardship Strategies Unit of the California State Teachers’ Retirement System (CalSTRS), the nation’s largest teacher retirement fund.  She is responsible for working with a dedicated team to further CalSTRS’ mission to secure the financial future and sustain the trust of California’s educators.  Aeisha’s main areas of focus are the corporate engagement program, executive compensation, selecting and monitoring managers in the activist manager portfolio, and working with regulatory authorities on market-wide issues.

In 2012, Aeisha joined the Board of Directors at the Golden 1 Credit Union, one of the nation’s largest credit unions with more than $13 billion in assets and 1,000,000 members.  In 2015, she joined the Board for the Council of Institutional Investors, whose mission is to be the leading voice for effective corporate governance. 

Aeisha has a Bachelor of Science degree in Economics from the California State University, Sacramento.