Inverness after his compassionate leave as the former manager takes up a role as sporting director. The Hearts legend took compassionate leave in February due to a family issue, with Neil McCann stepping into his shoes.
Caley failed to win promotion from the Championship but they'll go again next season with Robertson in a newly created role.
CEO Scot Gardiner said: “I am very happy to see John return from what was a particularly difficult time for him and his family.
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