Brian Liu
About Brian Liu
Brian Liu is based in Los Angeles. He is CEO and co-founder of BizCounsel, which he started in October 2016, according to Crunchbase. Before that, he developed the concept for LegalZoom in 1999 and was its first CEO until 2007. He stayed on as Chairman until 2018.
He graduated from UCLA School of Law. He started his career as an attorney at Sullivan & Cromwell and at Oaktree Capital. Alongside BizCounsel, Crunchbase and Equilar say he manages a real estate investment fund, sits on the board of DaZen Theranostics (a cancer therapy startup), and is an active angel investor. A FutureLaw speaker page also describes him as founder of Overture Law.
Public databases show only a small number of disclosed angel investments. PitchBook lists four: Privy Circle (2017), FairClaims (seed, 2018), HelloPrenup (2021) and Inhouse. Crunchbase counts two, and Tracxn counts one. The databases disagree, and Brian has not published a full portfolio. Check any list against him directly.
Brian was a named backer in Inhouse's $5M seed round, reported on March 2, 2026. Inhouse is a Los Angeles company that builds an AI legal platform for small and midsize businesses. The other named investors were Run Ventures, Royal Street Ventures and Switch. Inhouse said it would use the funds to expand its AI agent capabilities across contract lifecycle management, compliance workflows and risk management. This is the only AI round we found for him.
The disclosed deals are mostly in legal services and legal tech, at seed stage or earlier. Tracxn lists his focus as enterprise applications and his geography as the United States. We found no public statement from Brian about what he looks for in a pitch. We also found no public check size, fund size or stated stage preference.
- Inhouse: AI legal platform for small and midsize businesses. Brian joined its $5M seed round, announced March 2026.
- FairClaims: legal services company. PitchBook lists a seed round in August 2018.
- HelloPrenup: consumer legal services company. PitchBook lists an investment in November 2021.
- Privy Circle: social content company. PitchBook lists an individual angel investment in September 2017.
Investing activity
Brian Liu appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $5M. The most recent is Inhouse (Seed, $5M, Feb 2026).
Brian Liu most often invests alongside Run Ventures, Switch Ventures, Flybridge and Royal Street Ventures, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Brian Liu
Who is Brian Liu, the angel investor?
Brian Liu is a Los Angeles entrepreneur and angel investor. He developed the concept for LegalZoom and was its first CEO. He is now CEO and co-founder of BizCounsel.
Has Brian Liu invested in AI startups?
Yes. He was a named investor in Inhouse's $5M seed round, announced in March 2026. Inhouse builds an AI legal platform for small and midsize businesses.
What is Brian Liu's check size?
It is not public. We found no stated check size, so we are not giving a figure.
What stage and sectors does Brian Liu back?
His disclosed deals are seed or earlier and mostly in legal services and legal tech. Tracxn classes his focus as enterprise applications in the United States.
What companies has Brian Liu built?
He developed the concept for LegalZoom in 1999 and led it as CEO until 2007. He started BizCounsel in 2016, where he is CEO and co-founder.
Should I pitch Brian Liu if I am not building legal tech?
His public record is concentrated in legal tech, so a legal or compliance angle fits best. He has not published his criteria, so a short, specific note is the safest approach.
Is Brian Liu an angel investor?
Yes. Brian Liu invests personally as an angel.
What AI companies has Brian Liu invested in?
Brian Liu's AI investments include Inhouse. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Brian Liu invest at?
In the rounds tracked on Lounge, Brian Liu has invested at Seed, with a median round of $5M.
Who does Brian Liu co-invest with?
Brian Liu's most frequent co-investors on Lounge are Run Ventures (1 deal), Switch Ventures (1 deal), Flybridge (1 deal) and Royal Street Ventures (1 deal).