A Frederick County native, Bill Siedling has been involved in athletics for 50 years as of 2010. Beginning his sports career in baseball, he played Little League, Babe Ruth and Babe Ruth All-Stars, American Legion, Maryland State League and Washington, D.C., Industrial League baseball. In 1967, Siedling signed professionally with the Washington Senators as a catcher. Employed by the Frederick County Public Schools system, Siedling worked as a physical education teacher, guidance counselor, and classroom drivers education teacher. He is probably best known for his basketball officiating and for 44 years has been a member of the Frederick IAABO Board officiating, interpreting rules, and instructing new recruits. As an expert official, Bill is involved in all levels of the sport—AAU, high school and college tournaments in Maryland, D.C., Pennsylvania and Virginia.