Home About Us Command Staff Directory Command Staff Directory Michael McLeanChief of Police (630) 530-3061 James GandyDeputy Chief of Operations (630) 530-3113 Brett KaczorowskiDeputy Chief of Investigations and Administration (630) 530-3113 Matthew HimpelmannPolice Commander (630) 530-3078 Steve MandatPolice Commander (630) 530-3063 Matthew McCollumDetective Commander (630) 530-6405 Dan BishopPolice Sergeant (630) 530-6408 Brendan BrucknerPolice Sergeant (630) 530-6406 Anthony CuzzonePolice Sergeant (630) 530-3032 Dorian JarrettePolice Sergeant (630) 530-3073 Alex KefaloukosPolice Sergeant (630)530-3064 Nick WaldenmeyerPolice Sergeant (630) 530-3129 Jodi SennettPolice Records Supervisor (630) 530-3058