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Founders & leadership· Y Combinator alumni (S20)
Sonar was founded in 2020 by Benjamin South Lee, Leo Cho, and Randolph Lee.
Investors · 7
How we know: the Y Combinator directory · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: open dataset · 5k.vc investor directory · Not right? Tell us
How we know: funding news · Not right? Tell us
How we know: open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: funding news · Not right? Tell us
How we know: funding news · Not right? Tell us
Funding
SEC filings, press & company announcements$2.4M disclosed across 1 of 2 rounds · 2021–2025
Source: company announcements and press reports — follow each round's link for the claim.
Related companies · 5
Companies working in the same space as Sonar.
Legal entities · 1
corporate structureFrequently asked questions
- Who founded Sonar?
- Sonar was founded by Benjamin South Lee, Leo Cho, Randolph Lee in 2020.
- Who are Sonar's investors?
- Sonar's investors include Y Combinator, FirstMark Capital, GSR Ventures, Impact America Fund, Index Ventures, J4 Ventures, Nina Capital.
- How much funding has Sonar raised?
- Sonar has disclosed $2.4M raised across 1 of its 2 known rounds.
- Where is Sonar headquartered?
- Sonar is headquartered in San Francisco, US.











