Donahoe earned a Bachelor of Arts degree from Vassar College and a Master of Fine Arts from the University of California, San Diego[1] She won a Helen Hayes Award in 2004 in the category Outstanding Supporting Actress, Resident Play, for her performance in Shakespeare in Hollywood at the Arena Stage.
She appeared in The Christians as Jenny at the Off-Broadway Playwrights Horizons from August 28, 2015 to October 25, 2015.
[3][4] Donahue appeared in the Amy Herzog play Mary Jane at the Yale Repertory Theatre in New Haven, Connecticut, April 28, 2017 to May 20, 2017.
[5] She received a Connecticut Critics Circle Award nomination for her performance as the title character.
She is the founder and principal of "WOMENSPEAK Training", a consultancy that specializes in training female speakers and in providing organizations and diversity partners with tools for "building female voice and visibility in the public arena" and "amplifying women's voices in order to drive both personal and organizational performance.