While Wall Street Journal and Financial Times headlines predominantly feature Fortune 500 firms, small business fuels much of the economic growth and job creation across the globe. Entrepreneurs are not equal to small. Consider Tesla, Virgin, G Adventures, Starbucks, Facebook, and Amazon. Today I want to feature and celebrate a unique set of entrepreneurs. In 2005, Kiva was formed by a small group of friends. In the early days, they had to exchange Premal Shah’s guitar for…