PROFESSIONAL

Registration

• Professional Engineer, Nebraska, E 5119
• Structural Engineer, Colorado, 16209, West Virginia, 7629, Alberta, Canada, 23526, Egypt, 260/2 (licenses inactive)

Scientific and Professional Memberships

• Wire Reinforcement Institute, Honorary Member
• Prestressed Concrete Institute, Fellow
• American Concrete Institute, Fellow; Nebraska Chapter past president
• American Society of Civil Engineers, Member; Nebraska Section past president
• National Society of Professional Engineers, Member
• American Segmental Bridge Institute, Member
• International Conference of Building Officials, Member
• National Institute of Building Science, Member
• Post‑tensioning Institute, Professional Member

Professional and Civic Service Activities

• External reviewer of promotion to full professor of Dr. Fanous at Iowa State University (1997), and tenure and promotion to associate professor of Dr. Peterman at Kansas State University (2002) and Dr. Huo at Tennessee Technological University (2002).
• Participated in coordination of an ASCE national conference on transmission structures in Omaha in September 2002.
• Lead a joint NDOR/UNL/FHWA/PCAN effort to participate in the ASCE/CERF Outstanding Projects and Leaders (OPAL) Award. Invited as one of three finalists for the innovation award for our work on the NUDECK precast concrete deck system, April 2002.
• Guided three student teams in the “Big Beam” Contest sponsored by PCI and Sika Corporation. One team won first place in Zone 3 and second place nationally. The second and third teams won second and third place in Zone 3. Prizes totaled $3,000, August 2002
• Guided Ph.D. students Amgad Girgis, and Chuanbing Sun in entering the national Portland Cement Association Bridge Innovation Contest. Amgad received first place nationally and a $2,500 prize.
• Guided the first place award winning construction technology student team, bridge construction contest, 2001.
• Co-founded the very successful Annual Structural Conference in 1981 and coordinated its activities from 1981-1990, 1981-present
• Guided the first UNO Student Steel Bridge Contest in 1997-98, and helped raise funding for the project
• Gave numerous workshops on bridge design, 1985-present
• Member of the award jury of the American Consulting Engineers Council, Nebraska Chapter
• Coordinated a major national conference on high performance concrete in Omaha in Nov. 1996
• Special Science Speaker at Benson High School
• Member of numerous committees, notably Bridges, Education, Research and Development, and Journal Advisory of PCI; and 435 Deflection, and 318G-Code Prestressed Concrete of ACI. ACI‑ASCE Committee 423‑Prestressed Concrete, ACI‑ASCE Committee 343‑Concrete Bridges, and ACI Committee 546‑Repair of Concrete Also member of the Committee on Concrete Bridges of TRB.
• Member, Rotary Club of Omaha‑West; Member of Vocational Committee (1983‑84); Chairman of International Service Committee; Member of Program Committee (1985‑86); Chairman of Rotaract Committee (1984‑85); Member of Invocation Committee (1988‑89); Vice Chairman (1989‑90) and Chairman (1990‑91) of Youth Exchange Committee
• Member, United Way Campaign
• Neighborhood Volunteer, American Heart Association Campaign
• Examination Item Writer and Scorer, National Council of Engineering Examiners
• Member, Bridge Jury, 1994 Professional Design Awards Program, Precast/Prestressed Concrete Institute
• Principal Author of the popular Precast/Prestressed Concrete Institute Bridge Design Manual, Volume I published in 1997, Volume II in progress.
• Program Chairman, American Concrete Institute Seminars: Lessons from Failures of Concrete Buildings, September 7, 1982; and ACI 318‑83 Building Code Seminar, Oct. 9, 1984; held in Omaha, Nebraska
• Reviewed the books titled, "Prestressed Concrete ‑ A Fundamental Approach, " by Edward Nawy, Prentice Hall, 1989,  "Prestressed Concrete Analysis and Design," by Naaman, McGraw‑Hill Book Co., 1982,  "Design of Prestressed Concrete," by Nilson, John Wiley & Sons, Second Edition, 1987, and two books on Matrix Algebra, and Finite Element Method, for Chapman and Hall Ltd., London, England, 1982
• Reviewed numerous journal papers and research proposals for ACI, PCI, ASCE, and TMS 
• Reviewed research proposals for Department of Energy, Prestressed Concrete Institute, National Science Foundation, National Academy of Sciences, and Canadian Research Council.