At the time of this 2015 edCircuit interview, Chris Walsh was CEO of Zaption, the winner of the 2015 LaunchEdu competition, and spoke about the power of video in education. A PBLWorks staff page lists Walsh's earlier work at Zaption and Portmoto and a master's degree from Stanford and degrees from UCLA, and gives the role of Chief Product and Technology Officer at PBLWorks; the page is undated.