Born in the Bronx, N.Y., Mr. Derman was raised in Tucson. He graduated from Rincon High School in 1979 and earned a systems engineering degree from the University of Arizona in 1984. He lived in Denver for the past 20 years. He was an outdoor enthusiast and volunteered at animal shelters.
Mr. Derman was preceded in death by his parents, Jack and Janet Derman, and stepmother, Helen Plotkin. Survivors include his brothers, Stephen (Cori) Derman of Cupertino, Calif., and Burt (Michele) Derman of Tucson; and stepsister, Rosalie Chinsky (Howard) of Gilbert, Ariz.
Graveside services were held in the Congregation Or Chadash section of Evergreen Cemetery with Rabbi Thomas Louchheim officiating.
Memorial contributions may be made to the University of Arizona Cancer Center, 1515 N. Campbell Ave., Tucson, AZ 85724.