Bobby Scales, a former utility player, was appointed director of player development and will work closely with assistant general manager Scott Servais on several aspects of the Angels' farm system.
Carlos Gomez was named the Angels' international scouting director, a role he held the last two years with GM Jerry Dipoto's former organization, the D-backs.
Former pitcher Pete Harnisch is the Angels' roving pitching instructor -- a role he was appointed to midseason -- and Michael Noboa will be the coordinator of Latin American operations, focusing on the Dominican Republic, Venezuela and Puerto Rico.
Bogar spent each of the last four seasons on the Red Sox's Major League coaching staff and was considered a rising managerial prospect before being dismissed in late October. He takes over for former Arkansas Travelers skipper Mike Micucci, who was promoted to Minor League fielding coordinator.
Hampton, who won 148 games and made two All-Star teams in a 16-year career eventually derailed by injuries, will be taking his first coaching position after retiring before the 2011 season.
The Angels also promoted Jim Gott (Tempe pitching coach to Minor League pitching coordinator), Paul Sorrento (Class A hitting coach to Minor League hitting coordinator), Nate Horowitz (intern to coordinator of scouting) and Jonathan Strangio (intern to coordinator of baseball operations). Brett Crane was named Minor League equipment manager after serving as GM for the Rookie League Orem Owlz.
Marc Russo will not return as international scouting supervisor.
Alden Gonzalez is a reporter for MLB.com. Read his blog, Gonzo and "The Show", and follow him on Twitter @Alden_Gonzalez. This story was not subject to the approval of Major League Baseball or its clubs.