Robert Patrick "Bob" Casey, Jr. (born April 13, 1960) is the senior U.S. Senator from Pennsylvania and a member of the Democratic Party. He previously served as Pennsylvania Treasurer, and Pennsylvania Auditor General. He is the son of former Governor Bob Casey, Sr..
He is the first Democrat elected to a full term in the U.S. Senate from Pennsylvania since 1962.
Casey is the son of Ellen Harding Casey and Bob Casey, the 42nd governor of Pennsylvania. One of eight children, he was born in Scranton, Pennsylvania, of Irish American descent on both his mother's and father's side.