Geise joined the HPU coaching staff in 2005 as the defensive line coach. He then served as the Yellow Jacket defensive coordinator from the 2008 season until the end of the 2011 season.

Geise has coached 16 All-Conference defensive players in his time at HPU. His 2005 defensive unit set an American Southwest Conference record for interceptions in a season, with 29.

Geise, who has more than 35 years of coaching experience, began his career in his native state of Pennsylvania in 1970. He joined the Louisiana State University staff in 1974 as a graduate assistant and served in that position for three years. He coached Dan Alexander and A.J. Duhe, who went on to have lengthy careers in the NFL.

Geise entered the high school coaching ranks in Texas in 1977. He coached at numerous schools and served as athletic director and head football coach at Johnson City, Sabine and Lohn High Schools. He has coached more than 25 years in the Texas high school ranks.

Geise earned a Bachelor of Science degree from Lock Haven University in Pennsylvania where he was a four-year letterwinner. He also holds a Master of Education degree from LSU. In 2005, Geise was inducted into the Romanoski Chapter of the Pennsylvania Sports Hall of Fame. Roger and his wife, Sandra, live in the Mercury area where they have a ranching operation.