Founded in 1912, Hadassah, the Women's Zionist Organization of America, is the largest women’s membership organization in the United States - with 10,000 members in the Greater Philadelphia area alone. In Israel, it supports medical care and research, education, and youth institutions, and reforestation and parks projects. In the U.S., Hadassah promotes health education, social action and advocacy, volunteerism, education and research, and connections with Israel.