Yōhei Sasakawa (笹川 陽平, Sasakawa Yōhei, born 8 January 1939) is chairman of The Nippon Foundation, the World Health Organization Goodwill Ambassador for Leprosy Elimination, and Japan's Ambassador for the Human Rights of People Affected by leprosy. His global fight against leprosy and its accompanying stigma and social discrimination is an issue to which he has remained highly committed for more than 40 years. As chairman of The Nippon Foundation, Japan's largest charitable foundation, he guides public-interest activities in modern Japan. Sasakawa received his degree from Meiji University’s School of Political Science and Economics. Sasakawa's father was businessman, politician, and philanthropist Ryōichi Sasakawa.