Foresite Labs is a venture capital firm that invests in early-stage healthcare and life sciences companies. The firm was founded in 2019 by Jim Tananbaum, a healthcare entrepreneur and investor. Foresite Labs is a subsidiary of Foresite Capital, a leading healthcare investment firm. The firm's portfolio includes companies in the areas of biotechnology, medical devices, digital health, and healthcare services. Foresite Labs provides funding, strategic guidance, and operational support to its portfolio companies. The firm is based in San Francisco, California.