Jeff Rosen
InvestorManaging Partner at Broom Ventures
San Francisco Bay Area
Writes $250K – $750K checks · typically $500K
Experience
- Broom VenturesFounder, Managing Partner 🧹current2019 — presentSan Francisco Bay Area
- RhombusCo-founder and COO2018 — 2021
- Sparta ScienceSenior Software Engineer2017 — 2018San Francisco Bay Area
- Sourcery Technologies, Inc.Senior Software Engineer2015 — 2016San Francisco Bay Area
- Nasdaq Private MarketSoftware Engineer2014 — 2015San Francisco
- Teach For America2011 Corps Member2011 — 2013San Francisco Bay Area
- Aspire Public SchoolsAP Calculus and Precalculus Teacher2011 — 2013San Francisco Bay Area
Education
- Yale UniversityB.A., Mathematics and Philosophy, Political Science2007 — 2011
Skills & more
Data Analysis7Ruby on Rails16Ruby13JavaScript11jQuery12Git10Heroku10CSS7HTML10Python7Backbone.js11SQL12
+10 more
PostgreSQLAJAXWeb DevelopmentPair ProgrammingObject Oriented DesignBack-endTest Driven DevelopmentRSpecNonprofitsSpanishLanguages Spanish
From Jeff's professional profile.
Colleagues at Broom Ventures
Network2
Investors connected to Jeff in public investor directories — a warm-intro map.
Frequently asked questions
- Where does Jeff Rosen work?
- Jeff Rosen is Managing Partner at Broom Ventures.
- What check size does Jeff Rosen write?
- Jeff Rosen typically writes checks of $250K – $750K.
Same school
Also attended Yale University619
Ann Miura-KoCo-founding Partner at FloodgateDavid SzeAdvisory Partner at GreylockMichael SeibelPartner Emeritus at Y CombinatorZheela QaiserInvestor at Index VenturesAnthony PhilippakisInvestor at GV (Google Ventures)Karthik ArdhanareeswaranInvestor at GV (Google Ventures)
+ 613 more
Shared employers
Also worked at Rhombus1
Also worked at Sparta Science6
Julie Allegro MaplesFounder & General Partner at FYRFLY Venture PartnersMatt HershensonVenture Partner at Playground GlobalMiles DorosinAnalyst at Westbound Equity PartnersAdam GoobicManaging Director at General Purpose Venture CapitalDan KistlerManaging Director at General Purpose Venture CapitalChristy LaneVenture Partner at IA Capital Group





















