Dr. William O. Semens known as Dr. Bill graduated from Sandusky High School, Wittenberg University and the Ohio State University College of Dentistry in 1980. After dental school, he entered the US Navy as a Naval Dental Officer. His tours included the Naval Air Station Memphis, Naval Station Keflavik, Iceland and the Naval Hospital in Bremerton, Washington. After leaving the Navy in 1986, Dr. Bill joined his father in private practice in Sandusky. When not treating patients, he can often be found racing sailboats out of Sandusky Sailing Club.