Women-led companies receive only about 7 percent of all venture capital funding. When a report came out of Harvard Business School last year with that statistic among its findings, Rad Campaign’s Allyson Kapin and Craigslist founder Craig Newmark set out to make a change in how female founders were regarded by investors. “It’s about fairness, about treating people like you want to be treated,” Newmark says. “Since I’m in tech, it seems natural to do…