The Des Plaines Police Department witnessed three personnel changes this week as City Clerk Donna McAllister issued oaths of "Deputy Police Chief" to Commander Mike Kozak, "Commander" to Sergeant Paul Burger, and "Sergeant" to Officer Mike Holdman in the Des Plaines City Council Chambers. (pictured above left to right) Des Plaines Police Chief Jim Prandini, Mayor Tony Arredia, Deputy Police Chief Mike Kozak, Commander Paul Burger, Sergeant Mike Holdman and City Clerk Donna McAllister pose for a photograph following the promotional ceremony, attended by officials, fellow employees, friends and family members in the Council Chambers.