M.R. Rangaswami helped pioneer Indian American participation in technology investing through the creation of Sand Hill Group. As an early angel investor, he backed more than 150 companies, providing capital and guidance to entrepreneurs during critical stages of growth. His work marked a shift in the Indian American business story from building companies to financing them. By helping identify and support promising startups, Rangaswami contributed to the development of Silicon Valley’s innovation ecosystem and expanded the influence of Indian-origin investors in the technology sector.