| Mar 6, 2020 | Seattle Study Club, Madison, Wisconsin |
| Mar 27, 2020 | Seattle Study Club, Quakertown, Pennsylvania |
| Apr 3, 2020 | Manitoba Dental Convention, Winnipeg, Canada |
| Apr 10, 2020 | Ft. Worth District Dental Society, Ft. Worth, Texas |
| Apr 17, 2020 | Arrow Study Club, Bloomington, Illinois |
| Apr 24, 2020 | Jersey Coast Dental Forum, Red Bank, New Jersey |
| Apr 28-29, 2020 | Navy Postgraduate School, Bethesda, Maryland |
| May 23-24,2020 | University of Georgia Dental School, Hilton Head Island, South Carolina |
| May 29, 2020 | Powers Memorial Lecture, University of Texas Dental School in Houston, Houston, Texas |
| August 20, 2020 | University of Oklahoma. Oklahoma City, Oklahoma |
| August 21, 2020 | Southwest Dental Conference, Dallas. Texas |
| September 11-12, 2020 | Study Club, Sydney, Australia |
| September 25-26, 2020 | Study Club, Auckland, New Zealand |
| Oct 3, 2020 | Canadian Academy of Restorative Dentistry and Prosthodontics, Nova Scotia, Canada |
| October 10, 2020 | Doobrow Memorial Lecture, Birmingham, Alabama |
| October 15, 2020 | American Dental Association Annual Meeting, Orlando, Florida |
| October 23-24, 2020 | Global Diagnosis Continuum I, Austin, Texas |
| October 30, 2020 | Seattle Study Club, Rochester, New York |
| December 4-5, 2020 | Global Diagnosis Continuum II, Austin, Texas |
| January 22, 2021 | DFW Study Club, Ft. Worth, Texas |
| March 5, 2021 | Seattle Study Club, Rochester, New York |
| April 21, 2021 | Metro West Seminars, Omaha, Nebraska |