Sarah Nahm is the CEO and cofounder of Lever. Lever builds modern recruiting software for teams to source, interview, and hire top talent. They were in the Summer 2012 batch of YC. You can try Lever out at Lever.co.
Jeremy Rossman is the cofounder of Make School. Make School is a college for computer science headquartered in San Francisco. Make School students don't pay until they have a job after graduation. They were part of YC’s Winter 2012 batch.