Work-Bench

Work-Bench is a venture firm in New York, New York, that leads seed rounds in enterprise software companies. Its fourth fund, announced in May 2025, is $160 million, and the firm says it writes checks of $2 million to $4 million in AI and machine learning, cybersecurity, infrastructure and developer tools, and enterprise applications.

The firm spends much of its effort on sales and marketing help for young companies, such as early customer calls and first hires, and it runs a community space in New York that brings founders together with corporate buyers.

Sources: Work-Bench

Leadership

• Jonathan LehrCo-Founder and General Partner
• Jessica LinCo-Founder and General Partner

At a glance

Stage

Seed

Focus

Enterprise software, Developer tools, Cybersecurity

Check size

$2 million to $4 million (Work-Bench)

Offices

New York, New York

AI companies backed

3

AI companies backed

• Chamelio · AI agents that draft, review and negotiate contracts for in-house legal teams

  Led Chamelio's seed round earlier in 2026, then took part in its $26 million Series A, announced September 22, 2026, which Entrée Capital led.

  Read our review of Chamelio · Founder: Alex Zilberman · Source: Work-Bench, checked Oct 9, 2026

• Arthur · monitoring for AI and machine learning models in production

  Co-led Arthur's $3.3 million seed round with Index Ventures, announced December 11, 2019.

  Read our review of Arthur · Source: TechCrunch, checked Oct 9, 2026

• FireHydrant · incident management and reliability software

  Led FireHydrant's $1.5 million seed round, announced April 2, 2019.

  Read our review of FireHydrant · Founder: Robert Ross · Source: TechCrunch, checked Oct 9, 2026