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Dennis Mark Orr Edit Profile

real estate developer

Dennis Mark Orr, American real estate developer. Named Outstanding Young Republican Male of Colorado, Young Republican League, 1971.


Orr, Dennis Mark was born on January 12, 1940 in Winamac, Indiana, United States. Son of Mark Ulysses and Clara Belle (Riley) Orr.


AB, Indiana University, 1962.


Vice president Investments Real Estate, Denver, 1968—1972. Senior vice president Lincoln Companies, 1972—1974. President Cotter-Orr Development Company, Littleton, 1974—1976, Duffy Storage & Moving, Denver, 1976—1978.

Chairman board, Chief Executive Officer Poor Richards Ltd., 1978—1983. Executive vice president Gibraltar Development Company, 1983—1986. President Sycamore Group Ltd., since 1986.

Director Interiors by Heloise. Chairman Rocky Mountain Communications, 1987. Chairman board Bayaud Industries.

Chairman Littleton City Planning Commission, 1975—1984. Chairman leadership, Denver, 1975. Member Governor's I-470 Ad Hoc Commission, 1975—1976.

Board directors Institute International Education Inc., Support Systems Consolidated Republican Precinct Committeeman. Served to captain United States Air Force, 1962-1967.


Member of Crane & Rigging Association (board governors 1977), National Association Industrial and Office Parks, American Trucking Association, National Federation Indiana Business (Colorado advisory council), Association Industrial & Office Parks (chairman board), S. Suburban Board Realtors, American Management Association, Denver Chamber of C. (director 1975-1979), Arapahoe Men's (president 1968-1973), University Club, Phi Sigma Kappa.


Married Edna Ann Winckelbach Orr, August 18, 1962 (divorced 1983). Married Judyth Troup Smith Orr, May 11, 1985. 1 child Colin Patrick.

Mark Ulysses Orr

Clara Belle (Riley) Orr

Edna Ann Winckelbach Orr

Judyth Troup Smith Orr

Colin Patrick Orr