Brook Porter joined Kleiner Perkins Caufield & Byers in 2010 as a partner on the greentech team. His focus is on innovative low-carbon solutions to transportation, chemicals and power generation, as well as on energy storage.
Before joining KPCB, Brook had worked in renewable energy for more than a decade, during which time he co-founded multiple companies. His most recent role was as chief operating officer of Primafuel, a biofuel technology company recognized by the World Economic Forum in 2008 as a technology pioneer. At Primafuel, Brook was responsible for all aspects of engineering and operations, and he played a critical role in multiple financings for the company. Earlier in his career, Brook co-founded a hydrogen fuel cell technology company acquired by Intelligent Energy, a UK-based company known for its compact Proton Exchange Membrane fuel cells. During his time at Intelligent Energy, he managed a multi-million-dollar research program on advanced hydrogen generation. Brook was also a co-developer of the ENV Fuel Cell Motorcycle, recognized by TIME magazine and Popular Science as one of the best inventions of 2005.
Brook is named on multiple U.S. and international patents in the field of renewable energy. He holds a bachelor of science degree in chemical engineering from the University of California, Berkeley, with an emphasis in environmental technology.