Kundra was the first federal CIO, and his departure will leave a big whole in the administration.

For perspective, Federal News Radio spoke with Trey Hodgkins, senior vice president for national security and procurement policy at TechAmerica, Dan Chenok, a senior fellow at the IBM Center for The Business of Government, and Mark Forman, former Office of Management and Budget e-gov head.

Who do you think will replace Kundra? Tweet your answers with hashtag #Vivekv2.