Fundraising Fox

Sonar

acquired by Aave CompaniesYC S20

San Francisco, US · Founded 2020 · 4 employees · 4 known investors

ConsumerCrypto & Web3GamingSocialCrypto / Web3United States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (S20)

Sonar was founded in 2020 by Benjamin South Lee, Leo Cho, and Randolph Lee.

BSBenjamin South Lee
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.
LCLeo Cho
Leo ChoinCofounder
RLRandolph Lee
Randolph LeeinFounder

Investors · 4

Y CombinatorSan Francisco · $500K
GSR VenturesreportedBeijing · $2.3M – $74M
J4 VenturesreportedNew York
Nina CapitalreportedBarcelona · $215K – $1.6M

Funding

SEC filings, press & company announcements

$2.4M disclosed across 1 round · 2025

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Sonar Raises $2.4M for Teen Mental Health AI Platform, Eyes National Expansionhlth.com · Feb 2025Little Otter Secures $9.5M for Child Mental Health; Sonar Raises $2.4M for Youth Platform - Behavioral Health Businessbhbusiness.com · Feb 2025Sonar Secures $2.4M to Address Teen Mental Health Crisis at Scaleprnewswire.com · Feb 2025Sonar Raises $2.4M in Fundingfinsmes.com · Feb 2025Aave Companies Acquires Social Metaverse Developer Sonar - Decryptdecrypt.co · Dec 2022Sonar Raises $12M in Series A Funding | citybizcitybiz.co · Mar 2021Postmortem of Venture-Backed Startup, Sonarmedium.com · Apr 2015Fight Back Code Design Erosion by Breaking Cycles with Sonarsonar.codehaus.org · Mar 2010

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 round.
Where is Sonar headquartered?
Sonar is headquartered in San Francisco, US.