Doug Kleinhans has an outstanding record of percussion performing, arranging, instructing and judging drum and bugle corps that stretches all the way back to 1947. In recent years, he has also been associated with the most prominent percussion groups on the continent, including the American Patriots Rudimental Drumming Club (APRDC), the National Association of Rudimental Drummers (NARD), Canadian Associates Drumming Rudimental Excellence (CADRE), the New York Percussion Department (NYPD) and the International Association of Traditional Drummers (IATD). He has developed many players who went on to write, instruct and perform on a national level. He began his drum corps activity playing snare drum with Lockport Firemen junior drum and bugle corps in 1947. Between 1958 and 1980, he was percussion arranger and instructor for more than a dozen prominent junior corps in New York, Ohio and Ontario, including Niagara Falls Cavaliers, Staten Island Thunderbirds, Neptune Shoreliners, Emerald Cadets, Emerald Statesmen, Marion Cadets, Cadets of Greece, Geneva Appleknockers, Richmond Hawks, Barons of Steuben County, Watkins Glen Squires, Mark Twain Cadets and Dutch Boy Cadets. During many of those years, he was also teaching a number of well-known senior corps, including Hamburg Kingsmen, Albion Grenadiers, Dunkirk Patriots, Pittsburgh Rockets and Niagara Regionaires.