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

Lists including Jeff

AH
AE
AF
AJ

Based in SF

3078 people

AM
AT
AS
AR

All Seed Investors

19695 people

AT
AE
AE
AL

All Pre-Seed Investors

7974 people

PS
PS
PC
PM

Pre-seed Investors in San Francisco

994 people

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

BV
Broom Ventures

2019

  • Founder, Managing Partner 🧹

    2019

    Let's sweep. 🧹

R
Rhombus

2018 - 2021

  • Co-founder and COO

    2018 - 2021

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

SS
Sparta Science

2017 - 2018

  • Senior Software Engineer

    2017 - 2018

ST
Sourcery Technologies, Inc.

2015 - 2016

  • Senior Software Engineer

    2015 - 2016

NP
Nasdaq Private Market

2014 - 2015

  • Software Engineer

    2014 - 2015

TF
Teach For America

2011 - 2013

  • 2011 Corps Member

    2011 - 2013

AP
Aspire Public Schools

2011 - 2013

  • AP Calculus and Precalculus Teacher

    2011 - 2013