
The Academy of General Dentistry Foundation is thrilled to welcome two exceptional professionals to its Board of Directors: Donna Miller, DDS, MAGD, at Creekwood Dental Arts, and Christina Kolles, Scientific Affairs & Education Manager / Dental Solutions at Solventum. Their combined expertise in clinical practice, education, and innovation will strengthen the Foundation’s ongoing mission to advance oral and oropharyngeal cancer awareness, risk factor education, and diagnostic training for general dentists.
With their passion and dedication, Dr. Miller and Ms. Kolles will play an important role in guiding the Foundation’s programs and outreach efforts that help general dentists protect patients through early detection and improved education. Learn more about their experience and contributions below.
Dr. Donna Miller, DDS, MAGD, is a general dentist at Creekwood Dental Arts in Waco, Texas, where she built and expanded her practice to include four general dentists with a focus on total body health through oral wellness. A 1985 graduate of Baylor College of Dentistry, she sold the practice to her partner, Dr. Austin Green, in 2024 and continues to see patients part-time while pursuing her passion for travel and continuing education. Dr. Miller is active in organized dentistry as the Texas AGD Master Track Director and Secretary-Treasurer of the Texas Section of the International College of Dentists. She is also involved with the ADA, TDA, CTDS, the American College of Dentists, the Spear Study Club, and mentors Baylor University pre-dental students. In her community, she serves St. Paul’s Episcopal Church through the Altar Guild and as a board member for St. Paul’s Episcopal School and the Waco Symphony Association. Dr. Miller and her husband, K. Paul Holt, enjoy traveling and spending time with their nephew and “bonus son,” Alex, who is pursuing a master’s degree in psychology.
Christina Kolles currently works as the U.S. & Canada Scientific Affairs and Education Manager at Solventum, a multinational conglomerate corporation operating in the health care field. Backed by over 15 years of sales, training, and marketing experience within the dental and orthodontic health space, Christina excels in forging relationships with individuals at all levels of an organization and is recognized for her robust skill set in developing product strategies, negotiating contracts, and driving new business development. Christina discovered her passion for helping people early in her career, while working as a Dental Hygienist, Dental Assistant, and office manager. This experience contributed to her success and ongoing participation in the ‘Give Kids a Smile’ program in Minneapolis for the past ten years. She has a tireless passion for helping victims overcome the challenges of domestic violence and abuse. Christina has been an active donor for several years and currently serves on the board of directors and the Resource Development Cabinet for the nonprofit Tubman for the past four years. Christina also serves on the board of directors for CRET, an organization that aims to enhance dental student education by promoting collaboration between members of the dental industry with dental students and faculty at US Universities.
Christina is continually looking for ways to give back to her community, whether it be through providing free dental care, tutoring at-risk kids, providing remediation support through after-school programs, or engaging in humanitarian work, she finds great joy in serving. As a forward-thinking leader and presenter, Christina brings with her an impressive background in facilitating and organizing industry-wide training opportunities and speaking engagements among Key Opinion Leaders, Universities, and industry organizations, and takes considerable pride in supporting women in business. Leveraging her career in marketing, she has helped various institutions, including The International Institute of Minnesota and The Lin Center for Community Development (Vietnam), to improve their branding, sales, and market share while working as a Pro-bono Consultant. Christina is a dual US and European Union Citizen with a Master’s in Business Administration from Simmons University and a Bachelor’s in Dental Hygiene from the University of Bridgeport. When not working, she can be found reading, traveling, spending time with family, or visiting the newest restaurants with her family.





