Find your way into Sonar
76 people in our graph share verified history with the Sonar team — schools, employers, funds. One of them is your warm intro.
Nabeel Hyattunlockedknows Benjamin South Lee · together at Postmates Inc. (overlapped)
×5knows the team · via Postmates Inc.
×5knows the team · via Medium
knows the team · via Crunchyroll
Founders & leadership· Y Combinator alumni (S20)
Sonar was founded in 2020 by Benjamin South Lee, Leo Cho, and Randolph Lee.
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Benjamin South Leein𝕏Co-founder, CEO (YC S20, Acquired by Aave)2020–2022Benjamin South Lee founded two companies that were acquired by Postmates, where he served as VP of Product Design, and later held the role of SVP of Product and Design at Avara before building Variant.
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Leo ChoinCo-Founder2020–2022
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Randolph LeeinCo-founder / CTO2020–2022
Investors · 4
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.
In the news
Frequently 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, GSR 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.




