Light Green Advisors (LGA) is an asset management firm, Registered Investment Advisory Firm, based in Seattle. Clients include both institutional investors and high net worth individual investors. Largest client is the California State Teachers Retirement System (CalSTRS) Pension Plan, which awarded Light Green Advisors a Large- Cap Public Equities (i.e., S&P500) sustainable investment mandate in 2008, and which LGA has managed successfully, beating the manadate's S&P500 benchmark by over 10%.