Social Business Founder - Kazunari Taguchi For social businesses, the need to address social issues while also making a profit means that many young social entrepreneurs falter at the first hurdle. To prevent such good intentions going to waste, Kazunari Taguchi runs a firm that offers investment and expertise that help set such projects on the path to success. We follow a social business incubator that has already helped launch 9 social businesses with a combined annual turnover of around 3 billion yen.