How 'returnships' help women in tech get back to work after a parenting break

This column is part of a series called "Voices of Women in Tech," created in collaboration with AnitaB.org, a global enterprise that supports women in technical fields, as well as the organizations that employ them and the academic institutions training the next generation.
I could always pinpoint the exact moment of disappointment in the middle of a job interview, when the interviewer would discover the gap in my resume. "Oh," they would say, "how are you going to get back up to speed?” T