October 2015, Kansas City, MO, Association for Preservation Technology, "Oolitic stone use and restoration in the Manti Temple"

June 2015, Provo UT, “The Development of the St. George Temple Plan,” Mormon History Association.

June 2014, San Antonio TX, “Masonic Architecture and Design Sources for Early Mormon Temples,” Mormon History Association.

September 2013, Torino, Italy, Advanced Infrared Technologies and Applications--12, “The Application of Infrared Imaging to Conditions Assessments of Guastavino Vaulting.”

October 2012, Charleston SC, Association for Preservation Technology, “Restoration + 30 years:  A Reinvestigation of the Salt Lake City & County Building Stone Deterioration.”

November 2012, Cambridge MA, Construction History Society of America, “From Bridge to Tabernacle: Town Lattice Trusses in the Rocky Mountains 1861-67.”

April, 2001, Toronto, Canada, Society of Architectural Historians Annual Meeting, “The World’s Tallest Concrete Skyscraper: Modernity, Setbacks and Technological Innovation in the Kavanaugh Building, Buenos Aires.”

April 1997, Baltimore, Society of Architectural Historians Annual Meeting, “Engineering Analysis and It’s Applicability to Historical Inquiry.”

April 1996, St. Louis, Missouri.  Society of Architectural Historians Annual Meeting.  “Aspects of Long Span Roman Truss Design.”

October 1996, Case Western Reserve University,  Western Reserve Symposium, “Heavenly Aspirations and Earthly Realities: Three Religious Utopias in the Western Reserve.”

April 1996, St. Louis, Missouri.  Society of Architectural Historians Annual Meeting.  “Aspects of Long Span Roman Truss Design.”

August 1994, Karlovy-Vary, Czech Republic. International Conference on Interdisciplinary Research and the 2nd Orwellian Symposium, sponsored by The International Institute for Advanced Studies and the United Nations Educational, Scientific, and Cultural Organization, “The Potential of Electronic Journals in Architecture: Kent State University’s Architronic.”

April 1993, Charleston, South Carolina.  Society of Architectural Historians Annual Meeting.  “Structural Analysis and the Study of Vernacular Buildings: The Mormon Temple in Kirtland, Ohio.”

July 1991, Oxford, England.  ACSP/AEOSP Joint International Conference on Planning.  “A British Proposal for North American Development:  Granville Sharp’s Plan for Town and Township.”

May 1991, Seville, Spain.  STREMA 91 (Structural Studies, Repair, and Maintenance of Historic Structures, sponsored by the Computational Mechanics Institute).  “The Development of Early American Skyscraper Frames.”

April 1991, Cincinnati, Ohio.  Society of Architectural Historians Annual Meeting.  “ Vernacular Building Tradition and the Mormon Temple in Kirtland, Ohio.” (co-authored with Priscilla Graham).

March 1990, Boston, Mass.  Society of Architectural Historians Annual Meeting.  “American Skyscrapers and the Calculation of the Steel Frame.”

February 1990, Los Angeles, Calif.  Association of the Collegiate Schools of Architecture Technology Conference.  “Calculation of Early Skyscraper Frames.”

September 1989, Chicago, Ill.  Association for Preservation Technology Seminar.  “The Technological Development of the High-Rise.”

April 1989, Montreal, Quebec.  Society of Architectural Historian’s Convention.  “Theory and Practice in the Architecture of Andrea Palladio.”

April 1989, Florence, Italy.  STREMA 89 (Structural Studies, Repair, and Maintenance of Historic Structures, sponsored by the Computational Mechanics Institute), “St. Peter’s Dome: The Structural and Aesthetic Contribution of Giacomo Della Porta.”