Ballet training was with Lillian Covillo, Robert Joffrey, Eddie Caton, George Balanchine, and Madam Alexandra Fedorova Fokine.
Modern training was with Friedann Parker, Martha Wilcox, Duicy Ampter, Hanya Holm, Martha Graham, and Daniel Nagrin. Tap training was with Joe Layton, Paul Draper, and Diane Smith.
Physical therapy training was with Corolla Treaire, and Joseph Pilates.
Jazz training was with Bob Fosse, Matt Mattox, Larry Stevens, Gus Giordono, and Luigi (NYC).
Mr. Denny was on the Board of Directors of Arts for All and the Colorado Dance Alliance
The PDTA (Professional Dance Teachers Association) honored him with the title "Ballet Master".
He helped establish the Colorado Ballet and was its "artist in residence" for 7 years.
He was a judge for Rainbow Connection, a national dance competition organization.
He also was Artistic Director of two professional dance companies in the 1980's.