Defy VC
San Mateo, California · Invests in US · Website
Check size
$100K-$10M
Thesis
Back exceptional entrepreneurs building enduring companies that defy expectations. Value authenticity and tenacity to turn daring ideas into lasting impact. One life-altering investment can lead to industry-wide transformation.
Likely not a fit for
No hype-chasing, inauthentic founders, or me-too businesses. Avoid founders lacking genuine conviction.
How they invest
- Lead or follow
- Usually leads
- Typical decision
- ~1 week
- Warm intro
- Preferred
- Involvement
- Takes a board seat
- Fund status
- Actively deploying
- Decision process
- Partnership vote
Partners & team
10 contacts on file
Medha Agarwal
General Partner · Primary contact
Amy Yin
Venture Partner
Neil Sequeira
Founder & Managing Partner
Phebe Chen Tran
Partner, Operating Partner
Purvi Shah
Partner
Brian Rothenberg
Partner
Bryan Goldberg
Partner
Brian Lee
Partner
Steve Miller
Partner
Christa Quarles
Partner
Portfolio
Unlocking the proteome to fuel a new era of scientific discovery
Perplexity is AI for people who expect more. Our products serve those whose questions spark change and whose decisions bend the world toward progress. We obsess over the details so our users can obsess over what comes next.
Not Diamond is the optimization layer for AI, helping frontier AI developer teams automatically improve agents, optimize prompts, and route queries across the constantly evolving model landscape.
VectorShift is an end-to-end AI automations platform that allows users to build, deploy, and manage AI applications with a no-code interface and robust SDK.
PuppyGraph is the first and only real-time, zero-ETL graph query engine that allows data teams to query existing relational data stores as a unified graph model, capable of scaling with petabytes of data and executing complex queries in seconds.
Synthpop is transforming healthcare processes by automating administrative tasks and enhancing patient care through AI solutions.
The Confederation of Real Estate Developers' Associations of India (CREDAI) is the apex body of private Real Estate developers in India, established in 1999, with a vision of transforming the landscape of Indian Real Estate industry and a mandate to pursue the cause of Housing and Habitat.
AI-Powered Security Monitoring Solution
Securly is dedicated to student safety and wellness, providing a range of solutions for schools including online monitoring, classroom management, and web filtering.
Capchase is reimagining B2B payments and financing, providing tools that enable faster, more predictable access to revenue for high-growth companies.
Arena Club is revolutionizing the collectibles market with its innovative digital card show, where collectors can buy, sell, and trade cards in a dynamic marketplace. The platform offers advanced features such as grading, authentication, secure vaulting, and digital pack openings, empowering users to create personalized online showrooms.
Recent activity
- May 2026
Champ AI
Seed · Investor
- Nov 2025
Interface
Seed · Lead
- Sep 2025
Birches Health
Series A
- Jul 2025
Reveal Technology
Series B · Investor
- Jan 2025
Not Diamond
Seed · Lead
- Dec 2024
Perplexity
Series A · Participated
- Nov 2024
VectorShift
Seed · Lead
Defy VC in the news
Failory
Top 20 Venture Capital Firms in San Mateo (2026)
7 months ago
Fortune
Exclusive: Crypto startup Nook raises $2.5 million from Coinbase Ventures, Defy.vc, and UDHC
Jun 2025
Startup Daily
AI-based compliance platform bags $6 million Seed round
May 2025
Venture Capital Journal
Defy VC hires Agarwal as general partner, Yin as venture partner
Nov 2023
PR Newswire
Defy.vc Welcomes Medha Agarwal as General Partner and Amy Yin as Venture Partner
Nov 2023
Crunchbase News
Defy.vc Closes On $300M Fund To Fund The Gap At Pre-Series A Rounds
Jan 2023
Business Insider
Virtual Coaching Startup Perform Just Raised $1.2 Million From Defy.vc
Aug 2022
Venture Capital Journal
Perfect Venue scores $3.6m seed
Apr 2022
The Business Journals
Prominent venture capitalist leaves firm she co-founded for Apple
Aug 2021
TechCrunch
GajiGesa, a fintech startup serving underbanked Indonesian workers, raises $2.5 million seed round
Feb 2021
The Business Journals
Defy VC founder focuses on early stage deals as startups get pricier
Apr 2019
GlobeNewswire
Defy Closes Oversubscribed $262 Million Fund to Invest in Early Stage Entrepreneurs
Apr 2019
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Research briefRead more
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