InvestorAndreessen Horowitz, also known as a16z, is a prominent venture capital firm based in Silicon Valley, founded in 2009. The firm invests across various sectors, supporting companies from early-stage startups to growth-stage firms.
Mayfield Fund
Mayfield Fund is an early-stage venture capital firm based in Menlo Park, California, focusing on technology investments in sectors like artificial intelligence and human health. The firm has a strong track record of partnering with founders from inception to build successful companies.
Online destinations
Find Mayfield Fund online
Where to find this organization online, grouped by who runs each page. A link here does not mean the organization controls it.
Official links
Pages the organization runs itself.
Overview
Mayfield Fund, founded in 1969, is a venture capital firm located in Menlo Park, California. The firm specializes in early-stage investments, particularly in technology sectors such as artificial intelligence, consumer technology, and human health. Mayfield focuses on Seed, Series A, and Series B funding rounds, emphasizing the development of Collaborative Intelligence-as-a-Service (CaaS) and the integration of AI technologies into various applications. With a people-first philosophy, Mayfield has built a reputation for partnering closely with founders to help them grow their companies from inception to success.
Focus
Mayfield Fund invests primarily in Seed, Series A, and Series B stages. The firm emphasizes sectors such as artificial intelligence, consumer technology, enterprise solutions, human health, and semiconductors.
Support
Mayfield provides people-first partnership from inception stage with 55+ year track record and 120 IPOs. Deep enterprise and deeptech expertise.
Questions
What are Mayfield Fund's investment criteria?
Mayfield Fund invests in early-stage technology companies, focusing on sectors such as artificial intelligence, healthcare, and SaaS. They typically engage in Seed, Series A, and Series B funding rounds, with check sizes ranging from $1 million to $15 million.
How can founders apply or pitch to Mayfield Fund?
Founders can pitch to Mayfield Fund by reaching out through their website or via email. It is recommended to include a detailed pitch deck that outlines the business model, market opportunity, and team background.
What makes Mayfield Fund different from other venture capital firms?
Mayfield Fund distinguishes itself with its people-first philosophy, emphasizing close partnerships with founders from the inception of their companies. Their extensive experience in early-stage investments and deep expertise in technology sectors provide significant value to startups.
What is Mayfield Fund's geographic scope?
The firm primarily operates in North America, focusing on startups based in the region.
What kind of post-investment involvement can founders expect?
Mayfield Fund is known for its active involvement with portfolio companies, offering mentorship, operational support, and access to their extensive network. They aim to assist founders in scaling their businesses effectively.
What is the typical response time for pitches?
Response times can vary, but founders can generally expect to hear back within a few weeks after submitting their pitch. Warm introductions may expedite the process.
Check your startup’s fit
Check your startup’s fit with Mayfield FundFrom public sources
What the sources say about Mayfield Fund
Mayfield's September 2019 anniversary account dates its founding by Tommy Davis to 1969.
Source: Mayfield Turns 50: Insights from 5 Decades of People First InvestingPitchBook's public Mayfield preview lists Velaura with deal date 2026-08-20.
Source: Mayfield Fund investment portfolio | PitchBookPitchBook's public Mayfield preview lists Hang Ten with deal date 2026-09-16.
Source: Mayfield Fund investment portfolio | PitchBookPitchBook's public Mayfield preview lists Haven (Application Software) with deal date 2026-09-17.
Source: Mayfield Fund investment portfolio | PitchBookPitchBook's public Mayfield preview lists Numeral (Financial Software) with deal date 2026-09-23.
Source: Mayfield Fund investment portfolio | PitchBookPitchBook's public Mayfield preview lists Nasiko with deal date 2026-10-01.
Source: Mayfield Fund investment portfolio | PitchBook
Similar investors
Organizations that do similar work to Mayfield Fund.
Investor
InvestorGeneral Catalyst is a venture capital firm based in Cambridge, Massachusetts, that invests in early-stage and growth-stage companies across various sectors, focusing on technology-driven solutions.
InvestorSequoia Capital is a venture capital firm based in Silicon Valley, established in 1972. It invests in technology companies at various stages, focusing on long-term partnerships with founders.
InvestorBessemer Venture Partners is a venture capital firm based in Redwood City, California, with additional offices in major cities across the U.S. and internationally. The firm invests in a wide range of sectors, supporting entrepreneurs from early-stage startups to growth-oriented businesses.
Superscout Pro
Find faster. Show up verified. Keep your deals private.
$99a year, or $12 a month
Get Pro- Search that narrowsInvestors, programs, accelerators, incubators and studios, by stage, sector and place.
- A verified profileThe people you reach know you are who you say you are.
- A private deal vaultThe startups you are watching, with your notes and your reasons. Nobody else's eyes.
Is this page right?Reviewed · How the research works