Donald E. Stephens was an American politician who served as the mayor of Rosemont, Illinois for over 50 years, from 1956 until his passing in 2016. He was known for his significant contributions to the development of the village, transforming it into a thriving community with various entertainment and business ventures. Stephens played a crucial role in the establishment of the Rosemont Theatre and the Donald E. Stephens Convention Center, which helped attract tourism and events to the area. His leadership and vision were instrumental in shaping Rosemont's identity as a vibrant destination in the Chicago metropolitan area.