Greylock Partners is a venture capital firm established in 1965 and headquartered in Menlo Park, California, with additional offices in Wellesley and San Francisco. The firm specializes in investing across various stages, with a strong emphasis on seed, series A and B, and growth capital investments, particularly in consumer and enterprise software sectors. Greylock focuses on sectors such as advertising, fintech, gaming, healthcare, cloud/SaaS, data analytics, and biotechnology, among others. The firm typically invests between $50,000 and $500,000 in seed-stage companies, $1 million to $10 million in early-stage ventures, and between $25 million and $200 million in later-stage companies. Greylock prefers to take board seats in its portfolio companies and actively seeks to invest in businesses based in the United States, India, China, Europe, and Israel. Its notable investments include companies that have redefined markets, such as Airbnb, Dropbox, and LinkedIn.