Robby Robinson, Sr. is the founding director of the Crossmen, formed by merging two junior corps, 507 Hornets and Keystone Regiment, in the Philadelphia area in 1974. He served in that position until 1986. The Crossmen finished in DCI finals 22 times in the following 30 years. He began his career as a snare drummer with the Tri Community Cadets from 1952- 1960. He taught m M & M to the Haddon Heights Vagabonds in 1960 taught the percussion section of the 1st State Cadets of Delaware from 1961- 1963. He was the M & M instructor for the Bellaires of Belmar, NJ from 1961 – 1966 and Tri Community Cadets from 1968 – 1971 He became director of Tri Community in 1971, then served as director of the Keystone Regiment from 1972 – 1974. He judged M & M for the National Judges Association of Judges from 1961 – 1985 and percussion from 1961 – 1975. Robby was a member of the first DCI judging task force from 1981 – 1984. He is a member of the Crossmen Hall of Fame.