Mayfield Fund is a California-based venture capital firm founded in 1969 and headquartered in Menlo Park, with an additional office in Mumbai. It focuses on early-stage to growth investments in technology companies across sectors including enterprise software, data infrastructure, semiconductors, communications, artificial intelligence, consumer technology, health and wellness, energy tech, and related services. The firm pursues global opportunities, with emphasis on California—especially the San Francisco and San Jose area—and cross-border investments in Europe, India and China, including companies with substantial operations in India or China. Typical investments range from about $1 million to $15 million, with follow-on rounds and the potential for debt investments around $1 million. Mayfield often leads rounds or co-invests with other investors and helps assemble syndicates to support portfolio companies.