Brian Rothenberg works as a Partner at Defy.vc. The firm's known portfolio counts 9 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Partner at Defy.vc, whose known portfolio counts 9 companies
- CRED
- Synthpop
- Ava Financial
- Birches Health
- Reveal Technology
- Interface
- JOLISS
- Rocksalt
- Nivcent
Investor Profile
Founders in the listed sectors AI, Commerce, Consumer and Education, and focus areas AI Applications, AI Infrastructure, AI Observability and Cybersecurity fall inside that listing.
Stage-wise, the deals at Defy.vc cluster around Seed, Series A and Series B rounds.
What the affiliated firm has backed is the closest available signal on whether Brian Rothenberg is worth approaching.
Colleagues at Defy.vc
Neil Sequeira
Founder
San Francisco, United States
Noah Lin
Investor
San Francisco, United States
Michael Einziger
Advisor
Santa Monica, United States
Medha Agarwal
General Partner
San Francisco, United States
Purvi Shah
Partner
San Francisco, United States
Amy Yin
Venture Partner
San Francisco, United States
Frequently asked questions
Who is Brian Rothenberg?
Brian Rothenberg is a venture capital investor based in San Francisco, California, United States, listed as Partner at Defy.vc. The known portfolio of that firm counts 9 companies. That portfolio belongs to the firm, not to Brian Rothenberg personally.
What does Brian Rothenberg invest in?
Listed sectors include AI, Commerce, Consumer and Education; listed focus areas include AI Applications, AI Infrastructure, AI Observability and Cybersecurity. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Brian Rothenberg invest at?
Defy.vc appears in Seed, Series A and Series B rounds across its known deals, and Brian Rothenberg is listed there as Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Brian Rothenberg listed at?
Brian Rothenberg is listed as Partner at Defy.vc. 6 other people in the database share a firm with Brian Rothenberg.
How do I contact Brian Rothenberg?
An email address, a phone number and a LinkedIn page are on file for Brian Rothenberg. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal