Fellows Directory

Eric Hallstein

Nature Conservancy

Eric Hallstein, economist and director of conservation investments, works at the confluence of economics, finance and conservation science for the Nature Conservancy California.

Previously, Eric was a Venture Partner with the CalCEF Clean Energy Angel Fund, bringing his diverse background in business, academia, and technology to his work helping talented entrepreneurs build disruptive cleantech companies.

Earlier, Eric served as a Director of Investments at Omidyar Network and as a Project Leader for the Boston Consulting Group. Eric has also held cleantech-related academic positions with the Lawrence Berkeley National Laboratory, Pacific Institute, the Native American Renewable Energy Education Program, and the University of California, Berkeley.

Eric caught the entrepreneurial bug during his doctoral work at the University of California Berkeley when he led consumer research and advanced web analytics for the award-winning startup GoodGuide (safety, health, and greenness information aimed at household consumers), which secured a venture-backed spinout from the University.

Education, Personal, and Fellowship

Eric earned his PhD from the University of California Berkeley's Energy and Resources Group where he was a National Science Foundation Fellow. He also holds dual MS degrees in Environmental & Civil Engineering and Energy & Resources. Eric is a graduate of Harvard University.

Eric has published on energy policy, trade, and consumer behavior in popular press and top journals, including the Proceedings of the National Academy of Sciences.

As a graduated member of Class 15, Eric began his fellowship at the Omidyar Network under the mentorship of Managing Partner Matt Bannick, and continued it at CalCEF Clean Energy Angel Fund.