Des Plaines City Clerk Donna recently issued the oath of Police Sergeant to Jeffrey Rotkvich in Mayor Tony Arredia’s Office. (pictured) Des Plaines Mayor Tony Arredia, newly promoted Sergeant Jeffrey Rotkvich, Des Plaines Police Chief Jim Prandini and City Clerk Donna McAllister pose for a photograph in the Mayor’s Office following the swearing in. Sergeant Rotkvich started working for the Police Department on April 9, 1990.