| 2007 | ||
| November 7 | New Orleans Orchid Society (New Orleans, LA) | "Dendrobiums: A look at the Phalaenanthe Section" |
| September 30 | San Antonio Orchid Society (San Antonio, TX) | "Cattleyas: Loved and Adored" |
| September 16 | North Haven Gardens (Dallas, TX) | "Orchid Delirium" |
| July 15 | Shreveport Orchid Society (Shreveport, LA) | "The Genus Rodricidium" |
| June 18 | Orchid Society of California (Oakland, CA) | "Orchids of Dominican Republic" |
| May 17 | Central Ohio Orchid Society (Columbus, OH) | "Orchids of Dominican Republic" |
| May 5 | Orchid Roundup: AOS Show and Member's Meeting (Arlington, TX) | "Orchids of Dominican Republic" |
| February 18 | Orchid Society of Western Pennsylvania (Pittsburg, PA) | "Orchids of Dominican Republic" |
| February 5 | Fort Worth Orchid Society (Fort Worth, TX) | "Orchids of Dominican Republic" |
| 2006 | ||
| November 12 | Northwest Orchid Society (Seattle, WA) | "Orchids of Dominican Republic" |
| August 6 | Houston Judging Center Judge's Workshop (Houston, TX) | "Cattleyas: Loved and Adored" |
| May 21 | Kansas Orchid Society (Wichita, KS) | "Orchids of Dominican Republic" |
| March 18 | Minnesota Orchid Society (Minneapolis, MN) | "Orchids of Dominican Republic" |
| March 7 | Heart of Texas Orchid Society (Austin, TX) | "Orchids of Dominican Republic" |
| February 15 | Baton Rouge Orchid Society (Baton Rouge, LA) | "Orchids of Dominican Republic" |
| 2005 | ||
| November 12 | Dallas Judging Center AOS (Dallas, TX) | Breeding of White Phalaenopsis |
| October 18 | Dallas Flower Clubs Association (Dallas, TX) | Orchid Judging Demystified |
| September 11 | South Carolina Orchid Society (Columbia, SC) | "Orchids of Dominican Republic" |
| September 2 | Mesquite Garden Club (Mesquite, TX) | "Orchid Delirium" |
| August 5 | Greater North Texas Orchid Society (Dallas, TX) | "The Genus Rodricidium" |
| July 7 | Houston Orchid Society (Houston, TX) | "Orchids of Dominican Republic" |
| June 26 | Orchid Society of the Ozarks (Springdale, AR) | "Orchids of Dominican Republic" |
| June 19 | Oklahoma Orchid Society (Oklahoma City, OK) | "Orchids of Dominican Republic" |
| June 12 | Tulsa Orchid Society (Tulsa, OK) | "Orchids of Dominican Republic" |
| April 24 | Memphis Orchid Society (Memphis, TN) | "Orchids of Dominican Republic" |
| April 10 | Shreveport Orchid Society (Shreveport, LA) | "Orchids of Dominican Republic" |