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Sean O'Sullivan


Mr. Sean O'Sullivan serves as Managing General Partner at SOSV. His first company, MapInfo, grew to a $200 million public company with over 1,000 employees, and popularized street mapping on computers. His first internet company, NetCentric, developed many concepts in internet computing, and he is credited as the cocreator of the term "cloud computing". Sean founded JumpStart International, a leading humanitarian organization in conflict zones, in the 2000s, where he oversaw over 3,500 staff at the height of the organization in the Iraq conflict. He was co-founder and managing director of Carma, a 35-person real-time carpooling company. SOSV founded and runs accelerators such as HAX, IndieBio, Food-X, Interface, and Chinaccelerator. As of 2016, SOSV has $300m in assets under management and is in the top 5% of venture capitalists globally based on return an investment (returns over 19 years average 36% net). He received his Bachelors of Science in Electrical Engineering from Rensselaer Polytechnic Institute and a Masters of Fine Arts in Film Production from the University of Southern California. He's on the board of Rensselaer, Khan Academy, and Coderdojo, and a number of private companies. He holds a MFA in Film Production from University of Southern California (USC) and a BS in Electrical Engineering from Rensselaer Polytechnic.

Investor Status
Actively Seeking New Investments
Primary Investor Type
Angel (individual)
Primary Office
  • Boston, MA
  • United States

+1 (609) 000-0000

Sean O'Sullivan Investments (13)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Kindara 08-Oct-2015 Seed Round 00.00 Application Software Generating Revenue 0000 0'00000000
0000000 00000000 06-Jun-2014 0000 00000 00000 Systems and Information Management Generating Revenue 0000 0'00000000
0000 20-May-2014 00000 (00000 Electronics (B2C) Generating Revenue 0000 0'00000000
00000 09-Apr-2014 0000 00000 00.00 Information Services (B2C) Generating Revenue 0000 0'00000000
00000 02-Apr-2014 0000 00000 00000 Information Services (B2C) Generating Revenue 0000 0'00000000
0000 00000 01-Mar-2014 0000000 0000 00000 Electronics (B2C) Startup 0000 0'00000000
00000000 23-Aug-2013 0000 00000 00000 Clothing Generating Revenue 0000 0'00000000
0000000 01-Jul-2013 0000 00000 00000 Media and Information Services (B2B) Generating Revenue 0000 0'00000000
U Grok It 29-Mar-2013 Seed Round 00000 Wireless Communications Equipment Generating Revenue 0000 0'00000000
500 Startups 15-Oct-2011 Seed Round Private Equity Generating Revenue 0000 0'00000000
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Sean O'Sullivan Exits (5)

Company Name Exit Date Exit Type Exit Size Status Buyers
Arris International 04-Apr-2019 Merger/Acquisition 00.00 Completed
0000000 24-Oct-2018 000000000000000000 Completed
  • 00000-0000
0 0000 00 19-Apr-2017 000000000000000000 Completed
  • 00000 000000000 00
Pathful 18-Apr-2016 Merger/Acquisition Completed
Genetic Anomalies 20-Dec-1999 Merger/Acquisition 000 Completed
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Sean O'Sullivan Team (1)

Name Title Deals Funds Boards Office Contact
Sean O'Sullivan Angel Investor 00 0 0 Boston, MA

Sean O'Sullivan Co-Investors (54)

Name With Exits Lead Partner
500 Startups 1 0 0
Boston Seed Capital 0 0 0
Foundry Group 0 0 0
SOSV 0 0 0
Vast Ventures 0 0 0
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