UpdatedTue, May 18, 2021 at 5:21 pm PT Reply Gensler’s firm, which he founded in 1965 with wife Drucilla (Drue) Cortell in a small San Francisco office, in 2019 employed thousands in 50 cities around the world and reported revenue exceeding $1.5 billion. (Shutterstock) MILL VALLEY, CA — Mill Valley architectural giant and entrepreneur Art Gensler has died. Gensler died at his home on May 10. He was 85. The Brooklyn-born Gensler moved to the Bay Area in 1962 after completing his bachelor's degree in architecture, art and planning at Cornell. In 1965 he and his wife Drucilla (Drue) Cortell co-founded M. Arthur Gensler Jr. & Associates in a one-room office and with only $200 in the bank.