Guillermo Söhnlein

Guillermo is a serial entrepreneur with a passion for exploration and sustainability. He has launched 7 for-profit ventures and 4 nonprofit organizations, while also organizing and leading 6 ocean exploration expeditions involving crewed submersibles. He is an advisor, mentor, teacher, and speaker on a variety of topics related to the exploration and sustainable settlement of extreme environments on Earth, underwater, and in space.

He currently serves as co-founder and CEO of Blue Marble Exploration, as well as founder and Chairman of the Humans2Venus Foundation. He was previously founder of Space Angels Network and co-founder of OceanGate.

A former officer in the United States Marine Corps, Guillermo earned his A.B. in Economics from the University of California at Berkeley and his J.D. from the University of California Hastings College of the Law. He is currently based out of Barcelona, Spain.