It's Hadassah.
Hadassah Women's Zionist Organization of America
Hadassah, the Women's Zionist Organization of America is an American Jewish volunteer women's organization. Founded in 1912 by Henrietta Szold, it is one of the largest international Jewish organizations, with 330,000 members in the United States.
https://en.wikipedia.org/wiki/Hadassah_Women%27s_Zionist_Organization_of_America
Female Sayanim.