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Region 4b Operations Office
Jonathan TImmers, Region Manager
82 Ionia Ave, Suite 100
Grand Rapids, MI 49503
Supervises: Allegan County, Barry County, Kent County Parole, Kent County Probation, Ionia County Parole and Probation, Montcalm County, Muskegon Parole, Muskegon Probation, Ottawa and Grand Haven Parole and Probation, Ottawa and Holland Parole and Probation, and Holland and Hudsonville Parole and Probation.