Cassady earned his associate degree from PHCC in administration of justice in 1994. He continued his education at Old Dominion University, earning a bachelor’s degree in criminal justice in 2000, and his master’s in criminal justice/sociology in 2005 from Longwood University. Cassady is the Captain of the Criminal Investigations and Uniform Division with the Martinsville City Police Department. He currently is a member of the International Association of Chiefs of Police, the Virginia Chiefs of Police Association, the Blue Ridge Chiefs of Police Association, the FBI National Academy Association and is the Vice President of the Patrick Henry Lodge #73 Fraternal Order of Police. Cassady also is a department advisor to the Martinsville Henry County Crime Stoppers Association and a department representative to the Seniors and Law Enforcement Together (SALT) Operation. He is on the Board of Directors for both the Martinsville-Henry County 911 Center and the Piedmont Criminal Justice Training Academy. In addition to these professional commitments, Cassady is a board member of the Salvation Army and the Boys and Girls Club of the Blue Ridge, the Master of Lodge at the Martinsville Masonic Lodge #152 A.F. and A.M. and is a member of the Martinsville Chapter #66 Order of the Eastern Star.