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Karl Jacob


Mr. Karl Jacob serves as the Managing Partner at Elixir Fund. He Co-Founded and served as Chief Executive Officer at Hangtime. He served as an Advisor, Circle Member at Founders Circle Capital. Karl is a serial entrepreneur and has been building and advising companies for the last 18 years. He also worked as a manager at Sun Microsystems and an executive at Microsoft. In his career, Jacob raised over $200 million from prestigious investors like Amerindo, Microsoft, eBay, Integral Partners, Norwest Ventures, Bay Partners, Benchmark Capital, Deutsche Bank, Ignition Partners, Vulcan Ventures and others. He started four companies from no revenue to significant revenues or being acquired. One of his companies, Dimension X, was acquired by Microsoft in 1997; and another, Keen (now Ingenio), was acquired by AT&T in 2007. Companies with Jacob as CEO have generated over $300 million in returns to investors and over $150 million in revenue per year. He has received numerous awards, including being named one of BusinessWeek's top ten up-and-comers. Previously, he took Cloudmark from no revenue and $50,000 in investment to $16 million in investment and millions in revenue. Prior to this, Jacob joined Benchmark Capital as an entrepreneur-in-residence and was charged with creating the "next big thing," which ended up being Keen, where he was CEO and President until May of 2002. While at Keen, Jacob led the company to be credited as one of the fastest growing ecommerce companies in history and recognized by Fortune as a Cool Company. Karl has advised and been a board member at several companies including Facebook, Dimension X, Keen, Cloudmark, IMMI, Protector USA and REAL Kiteboarding. He holds a B.S. in Computer Science from University of Southern California, where he sits on the school's board of counselors for the School of Engineering.

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

Karl Jacob Investments (55)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Pay By Group 13-Oct-2016 Seed Round 00.00 Financial Software Generating Revenue 0000 00000
00000000000 27-Oct-2015 00000 (00000 000 Other Commercial Services Generating Revenue 0000 00000
0000000 10-Feb-2015 00000 (00000 Internet Retail Startup 0000 00000
000000 18-Sep-2014 0000 00000 000 Application Software Product Development 0000 00000
000000 16-Jul-2014 0000 00000 00000 Social/Platform Software Generating Revenue 0000 00000
000000000000 0000 01-May-2014 00000 00000 0000 Electronics (B2C) Out of Business 0000 00000
000000000 23-Apr-2014 0000 00000 00000 Other Software Generating Revenue 0000 00000
000000000.00 13-Dec-2013 00000 00000 00000 Social Content Generating Revenue 0000 00000
Technical Machine 22-Nov-2013 Seed Round 00.000 Electronic Components Generating Revenue 0000 00000
HeartThis 15-Oct-2013 Seed Round 00.000 Internet Retail Startup 0000 00000
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Karl Jacob Exits (34)

Company Name Exit Date Exit Type Exit Size Status Buyers
DoubleDutch 10-Jun-2019 Buyout/LBO Completed
  • 2 buyers
00000 00000 24-Apr-2019 000000000000000000 Completed
  • 000000 0000000000
00000000 01-Mar-2018 000 00 00000000 Completed
000000 10-Oct-2017 000000000000000000 Completed
  • 00000 0000000 0000
000000000000 0000 01-Oct-2017 000 00 00000000 Completed
00000000 28-Apr-2017 000 00000 Completed
0000000000000 28-Jul-2016 000000000000000000 Completed
  • 0000000
0000000000 24-Jun-2016 000000000000000000 00.00 Completed
  • 00000000 00000000
Boostable 06-Jun-2016 Merger/Acquisition Completed
  • Metric Collective
Kitchit 23-Apr-2016 Out of Business Completed
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Karl Jacob Team (1)

Name Title Deals Funds Boards Office Contact
Karl Jacob Angel Investor 00 San Francisco, CA