
David Grinspoon
Ph.D., Astrobiologist; Senior Scientist, Planetary Science Institute; Author, Earth in Human Hands: Shaping Our Planet’s Future; Twitter @DrFunkySpoon
San Francisco Headquarters
110 The Embarcadero
San Francisco, CA 94105
415-597-6705
P.O. Box 194210
San Francisco, CA 94119–4210
Silicon Valley Office
578 Valley Way
Milpitas, CA 95035
408-280-5530