Rollie Greeno is currently in his sixteenth year as Athletic Director and head coach of football at Jamestown College. Coming into the current season, Greeno has coached the Jimmie football team to a 95-35-1 record. His 1979 edition finished with a 9-1 record, the fourteenth consecutive winning season, and a trip to the NAIA Division II playoffs. He is the winningest coach in Jamestown College history and is ranked eighth among active coaches in the NCAA Division III with a percentage of .729.

In addition to his positions of head football coach and athletic director, Greeno is an Associate Professor of Heath, Physical Education and Recreation and coaches cross-country, wrestling, and track. In cross-country, his teams have captured seven conference titles including three of the past four, his wrestling teams have posted a record of 122-91-3 and his track teams have won eleven indoor and seven outdoor conference championships. He has coached 33 NAIA and NCAA Division III place winners and every Jamestown College track and field record has been broken under his tutelage.

Greeno has been named District 12 Coach of the Year in all four sports that he coaches including a 1979 listing in football. He was named North Dakota College Coach of the Year in 1968. In 1975, he was inducted into the Northern State College Alumni Hall of Fame. This past spring, Greeno was selected to the NAIA Hall of Fame (Coaches Category) to become the first person named to the group since 1975.