Sand Hill Angels

ImmuneBridge is building a next-generation platform for cell therapy development, utilizing umbilical cord blood stem cells and machine learning to enhance therapeutic efficacy and scalability.

Frontline Wildfire Defense is on a mission to provide faster, safer, more precise ways to protect homes, families, businesses, and communities from wildfire. They combine purpose-built hardware and powerful software to confront the wildfire season with confidence, offering automated wildfire sprinklers and real-time wildfire alerts.

Membrion provides innovative Electro-Ceramic Desalination (ECD) solutions for industrial wastewater treatment, helping facilities stabilize complex wastewater streams and enhance water recovery without the need for significant infrastructure changes.

Mythical Games is a venture-backed company focused on next-generation game technology at the intersection of video games and economics, led by industry veterans.

Getlabs is the leading platform for at-home diagnostics, providing mobile phlebotomists to collect labs, vitals, and advanced diagnostics from patients' homes.

CirrusMD provides a physician-first virtual care solution that simplifies healthcare access through chat-based communication, enabling patients to receive care as easily as texting a friend.

Gluware is a full-stack intelligent network automation platform that helps enterprises automate network configuration changes, perform OS upgrades at scale, and conduct recurring audit and compliance checks.

Dasera is a company specializing in data security, offering solutions to protect data across cloud apps and endpoints. They focus on advanced security measures beyond traditional perimeters.

Evry Health provides modern health insurance solutions for Texas employers and their employees, focusing on personalized care, no copays or deductibles, and integrated wellness programs.

Apollo.io is an AI-powered sales platform that helps businesses streamline their outbound and inbound sales processes, enhance data enrichment, and accelerate deal execution.

Zum is an open AI portal that provides various AI-related services and news updates.

Refactor Capital is a solo GP venture fund where founders get direct access to Zal Bilimoria as the only decision-maker, applying software operator experience from Google, Netflix, and LinkedIn to hard tech sectors like aerospace, synthetic biology, and energy storage. The fund leads seed rounds with $1-2M checks targeting ~10% ownership across unusually broad hard-tech domains, backed by early hits like Solugen and Astranis.

Alumni Ventures built a "network-powered" retail VC platform that aggregates thousands of accredited individuals into professionally managed funds, allowing people to write checks as low as ~$10k while accessing large, diversified venture portfolios—making it America's largest VC firm for individual investors. The firm runs a deliberately non-controlling, co-investor-only strategy where it does not lead rounds, set terms, or take board seats, instead slotting into rounds alongside elite firms like Sequoia and Bessemer while treating its 750k+ subscriber base and ~1,400+ venture-backed founders as a scaled operating asset through structured CEO Services.

Pre-seed lead investor for deeply technical AI, biotech, climatetech and infrastructure startups, offering female operator-led go-to-market expertise and structured fellowships to source technical-founder deal flow. Divergent Capital is run by two female operator-investors who combine deep-tech investing experience with hands-on go-to-market expertise, and they cultivate deal flow through structured fellowships targeting students and emerging investors in their technical-founder network.

Technology VC backing immigrant and cross-border founders in software, life sciences, and deep tech, leveraging ex-Google/Palantir product leadership and scientific expertise, with deep technical underwriting, content-heavy guidance, and breakout exits.