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William Long


Mr. William Long serves as Managing Director at Stonepine Advisors. He brings 25 years of venture capital and investment banking experience in the San Francisco Bay Area to Stonepine Advisors. Prior to Stonepine Advisors, Bill was an executive at Mohr Davidow Ventures, where worked with technology, life science and clean tech companies on equity and debt financing, as well as, and advised on mergers and acquisitions. His venture capital experience also includes co-heading TriplePoint Capital's Private Equity Group where he invested with other leading venture capital and private equity firms and has a distinguished record of investment performance. Bill's investment banking experience includes serving as a senior banker at JPMorgan in San Francisco and at predecessor Hambrecht & Quist, where he worked with a number of internet, technology and life science clients on raising capital and providing advice on mergers and acquisitions. Bill began his investment banking career at Alex. Brown & Sons in Baltimore and San Francisco. Bill is currently Chairman of the Board of Directors of Satellite Healthcare, Inc. Satellite Healthcare is a $350 million in revenue healthcare services company with the primary business of developing and operating kidney dialysis centers. Satellite also owns a clinical reference lab, and genomics testing lab. Bill recently served as Executive Chairman at Satellite, where he led the company through a management succession plan. Bill holds a B.A. in Business from the Loyola University, Baltimore.

Investor Status
Actively Seeking New Investments
Primary Investor Type
Angel (individual)
Primary Office
  • San Francisco, CA
  • United States

+1 (650) 000-0000

William Long Investments (9)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Relypsa 15-Aug-2012 Later Stage VC 0000 Biotechnology Generating Revenue/Not Profitable 0000000 0000
000 00000 19-Apr-2012 00000 00000 0000 Media and Information Services (B2B) Profitable 0000000 0000
0000 10-Aug-2011 00000 00000 0000 Application Software Generating Revenue 0000000 0000
000000 01-Sep-2010 00000 00000 Network Management Software Generating Revenue/Not Profitable 0000000 0000
00000000000 000000 03-Dec-2009 00000 00000 000 Personal Products Out of Business 0000000 0000
000000000 26-Jan-2009 00000 00000 0000 Educational Software Generating Revenue 0000000 0000
00000 000000000000 24-Mar-2008 00000 00000 000.00 Drug Discovery Generating Revenue 0000000 0000
Simplex Healthcare 08-Oct-2007 Early Stage VC 0000 Medical Supplies Generating Revenue 0000000 0000
Ilypsa 29-Jun-2005 Early Stage VC 0000 Drug Discovery Startup 0000000 0000
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William Long Exits (8)

Company Name Exit Date Exit Type Exit Size Status Buyers
Say Media 28-Aug-2018 Merger/Acquisition 0000 Completed
0000000 15-Nov-2013 000 000.00 Completed
0000000 0000000000 04-Nov-2013 000000000000000000 Completed
  • 000000 0000000
00000 000000000000 11-Sep-2013 000000000000000000 00000 Completed
  • 000000 00000000000
00000000000 000000 01-Jan-2013 000 00 00000000 Completed
000000 19-Apr-2012 000 00000 Completed
SchoolNet 01-Jun-2011 Merger/Acquisition 00000 Completed
Ilypsa 18-Jul-2007 Merger/Acquisition 00000 Completed
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William Long Team (1)

Name Title Deals Funds Boards Office Contact
William Long Angel Investor 0 San Francisco, CA