United States · 
Who invested in Lessen?
Lessen's investors include General Catalyst, Khosla Ventures and Fifth Wall.
United States · Venture startup
Who invested in Lessen
Funding summaryUpdated 26 Oct 2026
$500Mraised across 1 round since 2023, from 1 source
- Latest round
- Venture, $500MJan 2023
- Investors
- 3
The rounds
- Jan 2023Venture$500M
Source recordedSEC filing: $964M sold, first sale Jan 2023
Founders and team
From Lessen's own website and the SEC filings it signed: 1 founder, 4 on the team.
Jay McKeeFounder and CEONamed on its 2023 Form D
- Justin IannaconePresident and CFO
- Jianqing ZhaoChief Technology Officer
- Michael KrumwiedeChief Strategy Officer
- Sean MillerChief Revenue Officer
On the board, as filediDan WenholdFred TuomiGregor Watson
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Lessen
How much has Lessen raised?
Lessen has raised $500M across 1 round since 2023.
When did Lessen last raise?
Lessen's most recent round was a Venture of $500M in Jan 2023.
What was Lessen's biggest round?
Its most recent round, $500M in Jan 2023, is also its largest on record.
Who backed Lessen first?
Lessen's first round on record, in Jan 2023, was backed by General Catalyst, Khosla Ventures and Fifth Wall.
What stage is Lessen at?
Lessen's latest named round is a Venture, in Jan 2023.
Where is Lessen based?
Lessen is based in the United States.
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