Sand Hill Angels
Angel networkMenlo Park · Seed–Series B · 140 people tracked
Investment thesis
Sand Hill Angels invests primarily at seed through Series B stages in disruptive, scalable technology companies aiming to build profitable businesses. Its membership consists of experienced technology entrepreneurs, business leaders, and angel investors who both fund and mentor founders. The group favors companies that value patient capital and long-term support, offering startups access to its members' extensive networks for customers, channels, service providers, and other connections. Many members are active in the broader startup ecosystem, participating in organizations like StartX and other angel groups, with several being venture capitalists. Sand Hill Angels collaborates with VC firms, angel networks, and the Bay Area ecosystem.
Source: firm website, verified Aug 3, 2026.
Team · 140 people
from the firm's website & public directoriesFounder mafia
The Sand Hill Angels mafia →10 people who came through Sand Hill Angels went on to found or lead other companies.
What they invest in
from 5 of 10 portfolio companiesHardware ×2IoT ×2AI & Machine Learning ×1Cleantech ×1Climate Tech ×1Data & Infrastructure ×1Deep Tech ×1Defense Tech ×1
HQs:United States×8
Investments · 10 tracked
founders shown can be your intro pathCB Insights provides a market intelligence platform that offers verified data, analytics, and predictive scoring on over 12 million private and public companies.
AI & Machine LearningData & InfrastructureSaaS
Co-investorsAlumni VenturesBasecamp FundCartaCRV (Charles River Ventures)One Way VenturesPilot Growth Equity+3 more
Nashville, US
John Cascarano(Executive Officer, Director)
Co-investorsCallais Capital ManagementCapital Innovators
Boulder, US
Christopher Zalewski(Founder)Jonathan Vaught(Founder)Nick Hofmeister(Founder)
Co-investorsKEY Investment PartnersHALLEY Venture PartnersPhyto PartnersSalveo Capital
Frontline Wildfire Defense makes a patented wildfire defense system combining exterior roof sprinklers with a monitoring app that lets homeowners prepare for and track wildfires in near-real time.
Climate TechHardwareIoTPropTechJackson Hole, US
Harry Statter(Founder)in
Co-investorsNorwest Venture Partners
Membrion develops Electro-Ceramic Desalination (ECD) technology that treats complex industrial wastewater by continuously separating dissolved salts and metals, enabling water recovery and reuse without replacing existing infrastructure.
CleantechDeep TechNew MaterialsSeattle, US
Greg Newbloom(Executive Officer, Director)Thomas Mitchell(Executive Officer)Wayne Byrne(Executive Officer, Director)John Plaza(Executive Officer, Director)Phillip Pickett(Executive Officer, Director)
BoardNic Pannekeet(Director)in
Co-investorsFREEFLOWLam CapitalPangaea Ventures Us Inc.PureTerra VenturesSafar PartnersSeaChange
Social networks for millions of people living with chronic conditions
San Francisco, US
Eric Peacock(Executive Officer, Director)
BoardRobin Murray(Director)Gary Dillabough(Director)Anne Raimondi(Director)
Co-investorsThe Westly GroupTSVC500 GlobalAdams Street PartnersHealthtech Capital
OncoHealth provides oncology-specific utilization management and virtual supportive care services for health plans, employers, and their members with cancer.
Digital HealthHealthtechMental Health
Jon Maack(Chief Executive Officer)
Co-investorsBlue Venture FundsCobalt VenturesMcKesson VenturesOak HC/FTBaird Capital
Durham, US
Christian Pean(Executive Officer, Director)Hadi Javeed(Director)
BoardClint Korver(Director)in
Co-investorsSymphonic CapitalUlu Ventures
Vantage Robotics designs and manufactures American-made small UAVs (drones), including the pocket-sized Trace nano drone and the Vesper drone, along with a rugged flight controller, for defense, security, and inspection use.
Defense TechHardwareIoTRoboticsSan Francisco, US
Tobin Fisher(Executive Officer, Director)in
Co-investorsACTAI VenturesCostella KirschRefinery VentureRuvento Ventures Pte Ltd.SQN Venture Partners, LLCVeteran Ventures Capital
Portfolio news
latest coverage across their companiesMembrion · finsmes.com · Oct 8, 2025
RevelAi · fenomstalent.com · Jun 30, 2025
OncoHealth · castleplacement.com · Jun 25, 2025
Frequently asked questions
- What stage does Sand Hill Angels invest at?
- Sand Hill Angels invests at the Seed, Series A, Series B stages.
- What is Sand Hill Angels's typical check size?
- Sand Hill Angels typically writes checks of $50K – $2M.
- What sectors does Sand Hill Angels focus on?
- Sand Hill Angels focuses on Deep Tech, Sector Agnostic.
- Where is Sand Hill Angels located?
- Sand Hill Angels is headquartered in Menlo Park, US.
- Does Sand Hill Angels lead rounds?
- Sand Hill Angels typically participates in rounds rather than leading them.
- Who does Sand Hill Angels co-invest with?
- Sand Hill Angels most often shares deals with Alumni Ventures, Basecamp Fund, CRV (Charles River Ventures), among 11 tracked co-investors.
Images
Co-investors · 23
One Way Ventures is a venture capital firm that backs exceptional immigrant founders building high-impact global companies.
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.
Khosla Ventures is a venture capital firm that invests in early-stage companies focused on technology, mobile, and clean energy sectors, including biotechnology applications. The firm provides capital and strategic support to entrepreneurs developing breakthrough technologies across multiple markets.
Long Journey Ventures is an early-stage venture firm that backs unconventional, 'magically weird' founders and ideas, positioning itself as a hands-on, community-oriented partner to its companies.
Streamlined Ventures is an early-stage venture firm that partners with founders and invests at the seed stage to help build large-scale companies.
Liquid 2 is an early- and growth-stage venture capital firm that invests in founders across all sectors of technology, providing capital along with support from a network of operators.
Amplify Partners is a venture capital firm that backs technical founders — engineers, researchers, and scientists — building companies across AI/ML, data infrastructure, developer tools, and life sciences.
Homebrew is an early-stage venture firm backing mission-driven founders, investing its own capital primarily at the pre-seed and seed stages.
MaC Venture Capital is a seed-stage venture capital firm that partners closely with founders, offering a multidisciplinary team, an extensive network spanning Silicon Valley, Hollywood, Washington DC, and emerging markets, and hands-on growth support.
Anorak Ventures is a seed-stage venture firm founded in 2016 with offices in Los Angeles and San Francisco, backing pre-seed and seed companies building differentiated technology and helping them reach product-market fit and follow-on funding.
Coelius Capital provides entrepreneurial early-stage capital to technology startups, generally investing in B2B or B2B2C companies.
Giant Ventures is a venture capital firm investing in technology that transforms civilization's foundational systems across sectors including AI, energy, materials, industry, work, finance, biology and healthcare.
▶11 more co-investors
Recursive VenturesFoundamentalPIPELINE CAPITAL PARTNERSPreface VenturesTwo Small Fish VenturesATX Venture PartnersDTCPCore Venture CapitalExpert DOJOBroom VenturesWealthing VC Club
Firms observed investing alongside Sand Hill Angels, from public investor directories. Shared companies are the overlap with Sand Hill Angels's recorded portfolio.
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