Sequoia Capital is a prominent venture capital firm based in the United States, known for investing in early-stage and growth-stage companies. Founded in 1972 by Don Valentine, the firm has a strong reputation for identifying and supporting innovative startups in various sectors, including technology, healthcare, and consumer products. Over the years, Sequoia Capital has backed many successful companies, such as Apple, Google, and Airbnb. The firm focuses on building long-term relationships with entrepreneurs and providing them with the resources and guidance needed to scale their businesses effectively.