JR

Jeff Rosen

Managing Partner at Broom Ventures

San Francisco, California

VC
Former CEO
Investor
Operator

Invests in

Stages:

Pre-seed
Seed

Locations:

  • Min Investment:

    $250,000.00

  • Max Investment:

    $750,000.00

  • Target Investment:

    $500,000.00

Skills

Data Analysis
Ruby on Rails
Ruby
JavaScript
jQuery
Git
Heroku
CSS
HTML
Python
Backbone.js
SQL
PostgreSQL
AJAX
Web Development
Pair Programming
Object Oriented Design
Back-end
Test Driven Development
RSpec

Education

  • B.A.

    Yale University

    (2007 - 2011)

Investments

Fidu

Seed

Total Funding: $5M

Kapital

Seed

Total Funding: $75M

ProductWind

Seed

Total Funding: $1

Writesonic

Seed

Total Funding: $3M

Advantage Club

Seed

Total Funding: $5M

Quaestor

Seed

Total Funding: $1

Pray.com

Convertible Note

Total Funding: $16M

Tive

Seed

Total Funding: $66M

RillaVoice

Seed

Total Funding:

Fanki

Pre-seed

Total Funding: $7M

Work Experience

Broom Ventures

2019

  • Founder, Managing Partner 🧹

    2019

    Let's sweep. 🧹

Rhombus

2018 - 2021

  • Co-founder and COO

    2018 - 2021

    Connecting smart contracts with real-world data. Acquired by Chainlink.

Sparta Science

2017 - 2018

  • Senior Software Engineer

    2017 - 2018

Sourcery Technologies, Inc.

2015 - 2016

  • Senior Software Engineer

    2015 - 2016

Nasdaq Private Market

2014 - 2015

  • Software Engineer

    2014 - 2015

Teach For America

2011 - 2013

  • 2011 Corps Member

    2011 - 2013

Aspire Public Schools

2011 - 2013

  • AP Calculus and Precalculus Teacher

    2011 - 2013