Dan Emmett, a 1964 graduate of Harvard Law School, has gifted $15 million to his alma mater to bolster the school’s Emmett Environmental Law and Policy Clinic and environmental law program.

Emmett, who donated to Harvard through the Emmett Foundation, serves as chairman of the board at Douglas Emmett Inc., a real estate investment trust based in Santa Monica that owns and operates commercial and resident properties in Los Angeles and Honolulu.