Team

Susan Preston - General Partner

Susan Preston - General Partner

Susan has spent most of her career in senior management positions in public and private companies, from general counsel to CEO.  She has also been a partner in two national law-firms and is a patent attorney.  Susan is a world-recognized expert in angel financing, and is the author of numerous articles, white papers and books on angel financing. Her most recent book, Angel Financing for Entrepreneurs, was released by Wiley Publishing.  She has been and continues to be a national and international speaker on economic development, angel and venture financing. She was an Entrepreneur-in-Residence with the Kauffman Foundation for six years focusing on initiatives related to angel investing, angel organizations and women entrepreneurs.  She is the architect of the Access to Capital for Entrepreneurs Act, a bi-partisan federal income tax credit bill for private equity investing, which will be re-introduced in Congress this session.  Ms. Preston received her JD, cum laude, from Seattle University and her BS, magna cum laude, Phi Beta Kappa, in Microbiology and Public Health from WSU.  

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Paul Fox - General Partner

Paul Fox - General Partner

Paul is a cleantech veteran, having worked as an engineer, strategy consultant, and CEO of several start-ups.  He combines operational experience in seven countries, early-stage technology marketing and finance, and deep networks in the clean-tech community.  Paul was the founder of tech2mkt, a technology commercialization firm and venture partner to several investors, governments and R&D institutions. Previously, Paul was founding CEO of SC Power Systems, a grid-scale energy technology company now listed on the AIM as Zenergy Power (ZEN).  Before that, he was VP Operations Development at Flextronics and the CEO of a fuel cell company backed by Flextronics.  In other roles, Paul built the first mobile phones made in Hungary; was a strategy consultant at PA Consulting Group during the de-regulation of the electricity and water markets; and was operations manager for one of Australia’s largest construction organizations.  Paul began his career building water and power systems in remote localities.

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Eric Hallstein - Venture Partner

Eric Hallstein - Venture Partner

Currently a Kauffman Fellow, Eric brings a diverse background in business, academia, and technology to his work helping entrepreneurs build disruptive cleantech companies. Previously, Eric served as a Director of Investments at Omidyar Network, as a Project Leader for the Boston Consulting Group, and as a founding team member of the venture-backed startup GoodGuide.  Beyond business, Eric has 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’s work on energy policy, trade, and consumer behavior has been published in popular press and peer-reviewed journals. Eric earned a PhD and MS in energy and resources, as well as an MS in civil and environmental engineering, from the University of California, Berkeley, where he was a National Science Foundation Fellow. He is a graduate of Harvard College.  

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Ian Rogoff - Investment Committee

Ian Rogoff - Investment Committee

Mr. Rogoff is Executive Chairman of HelioPower, an integrated energy solutions company and its affiliated companies, Helio Energy Solutions and Helio Micro Utility. He is an active investor in software and renewable energy fields, serving as Co-Founder and General Partner at Sierra Nevada Partners, an investment management company established to buy and grow sustainable businesses located in the Western U.S.  Ian serves as Chairman of the Nevada Institute for Renewable Energy Commercialization, a non-profit public-private partnership that integrates researchers, experienced entrepreneurs, business executives and venture capital to identify and fund viable renewable energy solutions.  Ian Rogoff has diverse industry experience including software, discrete manufacturing, aerospace and energy. His prior roles include Vice President of the Worldwide Partner Group and Vice President of Enterprise Services at Microsoft, District Manager for Systems Integration at Digital Equipment Corp., and Co-Founder and President of Optimum Software, a privately-held software and consulting firm.  Ian holds a Bachelor of Science degree in electrical engineering from the University of Miami, a Master of Science degree in Industrial Engineering from The Georgia Institute of Technology, a Master of Liberal Arts from Stanford University, and has completed an executive management program at Dartmouth College.

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Tom Jacoby - Investment Committee

Tom Jacoby - Investment Committee

Tom Jacoby is Chairman of the Board of Directors of Innovation Fuels Inc; a market leading biodiesel company based in New York. Mr. Jacoby is a founding Director of the California Clean Energy Fund, CalCEF, and serves on its investment committee. Additionally, he serves on the investment committee of the California Clean Energy Angel Fund; the first angel stage capital fund formed to focus on the Clean Energy markets. Beyond his work in the clean tech field, Mr. Jacoby is CEO of Tymphany Corporation and a member of the Board of Directors of Klipsch Group Inc. Mr. Jacoby is also the founder of Columbia Consulting Company, a private equity investment and business strategy firm. Columbia Consulting has developed high-level strategies for Arthur Andersen, Ripplewood Holdings and Distributed Energy Systems Corp, a leader in renewable energy integration solutions. Prior to forming Columbia Consulting, Jacoby was president and CEO of the Harman Consumer Group, a Global 1,000 consumer durables company. Mr. Jacoby is also an active member of E2, Environmental Entrepreneurs. He has been an advisor to New Energy Capital and is a director of Homeland Energy Resources Development Corp. He is a graduate of Carnegie Mellon University.

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Jon Foster - Investment Committee

Jon Foster - Investment Committee

Jon Foster is a member of the senior management team of Atempo, a data management software firm headquartered in the US, with significant operations across Europe and Asia. He has spent the last dozen years in leadership roles in entrepreneurial technology companies in the Silicon Valley. Prior to moving to the Silicon Valley, Mr. Foster served in the Clinton Administration as a deputy director of the White House of Science and Technology Policy, and before that in the US Department of Transportation. Mr. Foster was a founding board member of CalCEF and serves on its investment committee. He also serves on the investment committee of the CalCEF Clean Energy Angel Fund. He is a member of the Utilities Advisory Commission in Palo Alto, CA, a leader in the use of renewable energy and a center for innovative energy start-up companies. Mr. Foster holds a mechanical engineering degree from Yale University and a law degree from Harvard Law School.

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Ken Goldsholl - Investment Committee

Ken Goldsholl - Investment Committee

Ken is an active angel investor and serial entreprenuer.  After selling his company,  Atlas Communications Engines Inc., to Polycom in 1999, Ken funded a series of start-ups including Movidis Inc., PRISMIQ Inc. Occam Networks, Pointe Conception Medical, Inc., and Maverick Power Systems.  From 2006 onwards he turned his attention to clean energy, making several seed investments before becoming a CalCEF Angel Fund limited partner in 2008. He has extensive experience with investee businesses, both in providing advice and in direct management roles, especially bringing management expertise to early-stage businesses. He has implemented management information systems, financial reporting systems, and internal operating and control procedures. He has also assisted businesses in value engineering product ranges and introducing market-oriented product lines. He has a B.S. in electrical engineering from New Jersey Institute of Technology.

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