Member, Editorial Advisory Board, Journal Mechanics of Cohesive-Frictional Materials (Journal on Experiments, Modeling and Computation of Materials and Structures), John Wiley & Sons, 1996-2000.
Section Editor, Encyclopedia of Physical Science & Technology, Section on Mechanical, Industrial, Civil, and Marine Engineering (Academic Press), 1998-2001.
Associate Editor, Journal of Engineering Mechanics, ASCE, 1989-1991.
Member, Editorial Advisory Board, International Journal for Numerical and Analytical Methods in Geomechanics, John Wiley & Sons, 1977-1988.
Member, Editorial Board, Geotechnical Testing Journal, ASTM, 1985-1993.
Member, Editorial Board, Journal of Geotechnical Engineering, ASCE, 1986-1994.
Editor, ASCE Engineering Mechanics Division, Proceedings 10th Engineering Mechanics Conference, 1995.
Co-Editor, ASCE, Nondestructive Testing of Concrete Elements and Structures, Structures Special Publication, 1992.
Co-Editor, ASCE Aerospace Engineering Division, Proceedings 3rd International Conference on Engineering, Construction and Operations in Space, 1992.
PROFESSIONAL SERVICE, COLORADO
President, Colorado Section, American Society of Civil Engineers (ASCE), 1990-1991 (Vice President, 1989-1990; Secretary, 1987-1989).
Chair, Constitution & Bylaws Committee, ASCE Colorado Section, 1992 -2002.
Task Leader, Engineering, State of Colorado’s Superconducting Super Collider (SSC) proposal-project to U.S. Department of Energy, 1984-1988.
Program Chairman, Geotechnical Division, ASCE, Colorado Section, 1984-1985 (Secretary and Treasurer, 1982-1984).
Member, Organizing Committee, ASCE, Colorado Section, Symposium on Engineering in Clay Shale, Denver, Colorado, 1984.
Member, Organizing Committee, ASCE-Strategic Highway Research Program, Specialty Conference, Denver, Colorado, 1990-1991.
Task Leader, Stapleton International Airport Redevelopment Foundation, City and County of Denver, Committee on Removal and Recycling of Runways, Taxiways, Parking Aprons and Structures, 1994.
Member, American Concrete Institute, Colorado, Awards Committee, 1990-1991.
Member, Organizing Committee, ASCE, Colorado Section, Symposium on Moisture Sensitive Soils, 1988.