Jonathan Lehr

Investor

General Partner at Work-Bench

New York, New York

Writes $3M – $6M checks · typically $1.5M

FoundedArthurAI Artian FireHydrant, Inc.Petricorp, Inc.

About

Jonathan Lehr, ex-Morgan Stanley IT insider, mines Fortune 500 leaders’ problems to find startups, runs a concentrated ~6-deals/year portfolio, and led unicorns like Cockroach Labs while founding a 10,000+ meetup.

LinkedIn ↗X / Twitter ↗

Latest on 𝕏

Jonathan Lehr @fendien

100% this. "In trading stocks, half the battle is getting the trend right but the other half is nailing the portfolio construction" https://t.co/nKT9T9xntP

Jul 31, 2026 · ♥ 2

Jonathan Lehr @fendien

Spent time with the head of AI strategy at a Fortune 500 here in NYC. His board is 100% focused on AI. But meanwhile, inside the company the amount of work genuinely getting arbitraged is still low. What stood out was how he thinks about AI costs. His variable compute has https://t.co/n066qrwR02

Jul 31, 2026 · ♥ 8

Jonathan Lehr @fendien

Lots of good points here by @endowment_eddie on venture secondaries Some additional thoughts on points #1 and #2 below: 1. It's less about a stage (ie Series C or D) and more so about what multiple of your fund they represent and then the risk/return on continued upside from https://t.co/O0AG3u7XBy

Jul 31, 2026 · ♥ 10 · ⇄ 1

Invests in

AI & Machine LearningCybersecurityData & InfrastructureDeveloper ToolsEnterprise Software

Experience

Work-BenchCo-Founder / General Partnercurrent2013 — presentNew York, New York, United States
NY Enterprise Technology MeetupFoundercurrent2012 — presentNew York, New York, United States
Kauffman FellowsKauffman Fellow, Class 192014 — 2016
Morgan StanleyAssociate2010 — 2013New York, New York, United States
Cohen CoSenior Analyst2007 — 2010New York, New York, United States

Education

University of PennsylvaniaBSE, Major: Bioengineering Minors: Math and Economics2003 — 2007

Skills & more

Financial Analysis24Financial Modeling53Risk Assessment2Risk Management5Enterprise Risk Management10Enterprise 2.07supplier risk management1Supplier Management1Entrepreneurship69Entrepreneur3Start-ups99Start-up Consulting5

+11 more

BasketballSportsInvestmentsPrivate EquityBusiness DevelopmentVenture Capitalreal estate underwritingvendor risk assessmentsEnterprise SoftwareManagementAnalysis

From Jonathan's professional profile.