Investing Profile

Jeff Hammerbacher

Investor
Partner at Techammer
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Networks Jeff is a member of
Harvard University Network
890 CONNECTIONS
Facebook Network
354 CONNECTIONS
Accel Network
135 CONNECTIONS
Blackstone Launchpad Network
97 CONNECTIONS
Blackstone Network
67 CONNECTIONS

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Current Investing Position
Techammer Partner
Investments On Record
35

Jeff Hammerbacher is on these Sector & Stage Rankings

Jeff Hammerbacher's Investments On Record (33)

CompanyStageDateRound SizeTotal Raised
Ridge AI
Pre SeedApr 2026$3M
$3M
Co-investors: Frank Dale (Hustle Fund), Luis Ceze (Madrona Ventures), Diego Oppenheimer (Work-Bench)
United Manufacturing Hub
SeedJan 2026$6M
$6M
Co-investors: Andreas Strasser (Kompas VC)
Datalab
SeedJun 2025$4M
$4M
Co-investors: Balaji Srinivasan (Andreessen Horowitz)
Inductive Bio
Series AMay 2025$25M
$25M
Co-investors: Oren Etzioni (Madrona Ventures)
257
SeedMar 2025$9M
$9M
Co-investors: Jonathan Saacks (F2 Venture Capital)
Potato
Pre SeedOct 2024$1M
$8M
Co-investors: Ludwig Schulze (Alumni Ventures ), Tim Draper (Draper Associates), Geoff Entress (Moving Capital)
OpenHands
SeedSep 2024$5M
$24M
Co-investors: Somar Somasegar (Madrona Venture Group)
Modal Labs
Series AOct 2023$16M
$470M
Co-investors: Patrick Chase (Redpoint Ventures), Bucky Moore (Lightspeed Venture Partners), Brandon Reeves (Lux Capital), Leigh Marie Braswell (Kleiner Perkins), Sarah Catanzaro (Amplify Partners), Elad Gil (Gil Capital / Gil & Co), Allison Pickens (Allison Pickens Ventures, LP), Scott Belsky (A24), Neha Narkhede, Karim Atiyeh, Barr Moses, Iqram Magdon-Ismail

Jeff Hammerbacher's Experience

Partner Techammer2007 - Present
Quantitative Analyst The Savoir Club - Executive Knowledge SharingPresent
Manager, Data FacebookPresent
Entrepreneur in Residence AccelPresent
Board Member Sage BionetworksPresent
Principal Investigator Hammer LabPresent
Board Member DatavantPresent
Senior Advisor and Portfolio Company Board Member New Mountain CapitalPresent
Board Member CytelPresent
Board Member EmidsPresent
Senior Advisor Sixth StreetPresent
Board Member PerkinElmerPresent
Operating Advisor BlackstonePresent
Operating Advisor Blackstone LaunchpadPresent
Founder ClouderaPresent
Founder Related SciencesPresent
Founder and Advisory Board Member The COVID Tracking Project at The AtlanticPresent
Founder and CEO Open AthenaPresent
Assistant Professor Medical University of South CarolinaPresent

Jeff Hammerbacher's Education

Harvard University A.B. Mathematics

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