William J. Aiello, Mayor of the City of Olean, was born in Olean in 1952 to Frank (Chic) and Gloria J. Aiello. Mayor Aiello is married to the former Patricia A. Wentworth of Friendship, NY. They have two daughters, one son and twelve grandchildren. Other family members include two sisters and four brothers, of whom two, Rosie and James, are deceased.

Mayor Aiello served a thirty-two year career with the City of Olean Police Department. He retired with the rank of Captain. In 1990 he became the city’s Juvenile Officer and served on the State of New York Police Juvenile Officers Association, an organization of approximately 2000 Juvenile Officers and other juvenile justice specialists across the state, dedicated to a higher standard of service to children and families. After his retirement, Mayor Aiello continued his affiliation with the group and has held the positions of Executive Director, President, Vice President, Secretary, Treasurer and Regional Representative. He received the Youth Officer of the Year Award from the Association.

He has served as a part time instructor at the Olean Campus of Jamestown Community College and at the Olean BOCES Center. He is certified as a Police General Topics Instructor, Range Officer, Evaluator, Juvenile Police Administrator and Security Guard Course Instructor.

Mayor Aiello was twice elected to the Cattaraugus County Legislature, serving consecutive terms from 2008-2013.

He attended St. Johns School and is a 1971 graduate of Olean High School, the BOCES Vocation Center and the Chautauqua Police Academy. He completed numerous continuing education courses geared toward police work. Most recently he graduated from the Pelletier Institute with the New York State Association of Counties.

Mayor Aiello, an OHS football and baseball player, is on the Olean High School Sports Wall of Fame. In the past he had coached Little League and Senior League Baseball as well as East Olean Pee Wee, Pony and Midget Football. He serves on the Big Thirty Football Committee and volunteers for the Gus Macker Basketball Tournament.

He has received the Good News Award for the Greater Olean Area Chamber of Commerce, the Salute to Olean Award from the YMCA, the William J. O’Connell Memorial Award for BOCES Outstanding Alumni and the Elks Lodge #491 Distinguish Citizenship Award.

Mayor Aiello served as the Dempsey Club, P.B.A Fireworks Chairman for 1977 until 1989. He was on the Board of Directors for the Olean Youth Bureau and the Cattaraugus County Youth Bureau. He served on the Advisory Boards for Olean Youth and Recreation, Cattaraugus County Criminal Justice, New York State Runaway and Homeless Youth Advisory Board and the Cattaraugus/Olean Airport Advisory Board. He has volunteered for the YMCA Corn Festival and the Cattaraugus County Department of Aging. Mayor Aiello is currently on the Board of Directors of the Greater Olean Area Chamber of Commerce.

He is a member of the Knights of Columbus, the Elks Lodge, Ancient Order of Hibernians and the Pulaski Club of Olean, New York.

William J. Aiello was elected Mayor of the City of Olean on November 5, 2013. He was re-elected Mayor of the City of Olean on November 7, 2017 and on November 3, 2021.