Ruth Haas is an American mathematician and professor at the University of Hawaii at Manoa.

[7] Ruth Haas taught at Smith College for many years.

She was instrumental in establishing the Center for Women in Mathematics and the post-baccalaureate program at Smith.

She has developed and supported several other initiatives, including an undergraduate research course, the annual Women In Mathematics In the Northeast (WIMIN) conference, a program for junior visitors, a high school outreach program, and weekly seminars.

The AWM honored Ruth Haas’s outstanding achievements in inspiring undergraduate women to discover and pursue their passion for mathematics and eventually becoming mathematicians by awarding her the 2015 M. Gweneth Humphreys Award.