Sand Hill Angels
Angel networkMenlo Park · Seed–Series B · 141 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 · 141 people
from the firm's website & public directoriesWhat they invest in
from 3 of 5 portfolio companiesHardware ×2Cleantech ×1Climate Tech ×1IoT ×1PropTech ×1Robotics ×1
HQs:United States×2
Investments · 5 tracked
founders shown can be your intro pathFrontline Wildfire Defense makes automated wildfire protection systems that combine purpose-built hardware, such as roof-mounted sprinklers that spray water and biodegradable firefighting foam, with fire-tracking software that activates when fire is detected within seven miles.
Climate TechHardwarePropTech
Membrion develops electrochemical disinfection (ECD) solutions for wastewater treatment in critical industries, enabling water reuse and mineral recovery.
CleantechSeattle, US
Nic Pannekeet(Director)Bob Warshawer(Director)Thomas Mitchell(Executive Officer)Greg Newbloom(Executive Officer, Director)Wayne Byrne(Executive Officer, Director)John Plaza(Executive Officer, Director)
Vantage Robotics develops flying camera drones, focusing on safety and performance.
HardwareIoTRoboticsSan Francisco, US
Tobin Fisher(Executive Officer, Director)
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.
Images
Co-investors · 23
One Way Ventures is a venture capital firm that backs exceptional immigrant founders building high-impact global companies.
Andreessen Horowitz's Strategic Partnerships page describes collaborations that connect its portfolio companies with established institutions to help scale and deploy their technology.
Khosla Ventures is a venture capital firm known for backing bold, contrarian bets in world-class teams that can reshape entire industries.
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 an early-stage venture firm that has invested in technical founders — engineers, researchers, and scientists — building applications, AI models, developer tools, and infrastructure since 2012.
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 an early-stage venture capital firm that partners closely with founders, offering hands-on support and strategic involvement beyond capital.
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 across sectors including AI, climate, health, energy and fintech, and also incubates some of its own companies. Its portfolio spans roughly 48+ companies across the US and Europe.
▶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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