Who are people the risk capital in order to organize and run a business?

People who invest risk capital to organize and run a business are typically entrepreneurs, venture capitalists, angel investors, and private equity firms. Entrepreneurs often use their own savings or seek external funding from investors to launch their ventures. Venture capitalists and angel investors provide funding in exchange for equity, betting on the potential growth and profitability of startups. These investors take on significant risks, as many startups may fail, but they also seek substantial returns on successful investments.