High Quality Content by WIKIPEDIA articles! Arthur George Pradel (c. 1938) was elected mayor of Naperville, Illinois in 1995 and re-elected in 1999, 2003, 2007, and 2011 making him the longest-serving mayor of Naperville. A former Naperville Police officer and life-long Naperville resident, Pradel is known for his many public appearances, friendly demeanor and his demonstrated enthusiasm for Naperville.