Salazar, a former U.S. senator from Colorado, will chair a team that also includes former National Security Adviser Tom Donilon, former Michigan Gov. Jennifer Granholm, and longtime Clinton allies Neera Tanden and Maggie Williams.
The team will oversee planning for a potential Clinton administration should the Democratic nominee win in November.
Republican Donald Trump has tapped New Jersey Gov. Chris Christie to lead his transition efforts.
By law, both nominees have access to offices in Washington and other resources to begin planning for their potential administrations.