Mayfield Fund is a venture capital firm founded in 1969, based in Menlo Park, California. With over $3 billion in assets under management, the firm specializes in early-stage investments in enterprise and consumer technology companies. Mayfield has a proven track record, having invested in more than 550 companies, resulting in 120 IPOs and over 225 acquisitions.

Notable investments include Lyft, Marketo, SolarCity, and Poshmark. In 2023, Mayfield raised $955 million across two funds: Mayfield XVII ($580 million) and Mayfield Select III ($375 million), underscoring its commitment to supporting entrepreneurs at the inception and early stages of company formation. ( In 2024, the firm launched the $100 million AI Garage, an incubator aimed at fostering AI-first startups, reflecting its dedication to innovation in the AI sector.