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Meet The Team

Our Doctors

Dr. Robert F. Morrison

CEO and Clinical Director

Dr. Morrison is the owner and founder of Robert F. Morrison, DMD, PC, a General Williamsburg Dentist Practice for children and adults since 1992.

Dr. Morrison founded the practice after returning from being stationed with the U.S. Navy in England with the goal of providing genuine and compassionate care for the families of Williamsburg and the greater Hampton-Roads area.

The practice has grown to incorporate some of the latest dental technologies as well as continue to provide extensive and patient-oriented care for families and individuals. With a great team of Williamsburg dentists and staff, the offices of Morrison Dental Group pride themselves on the personal attention and skill that they can offer their patients. Dr. Morrison graduated from Southern Illinois University with a Bachelor of Science degree in Chemistry in 1979. He attended Southern Illinois University School of Dental Medicine, graduating in 1982, completing a post-doctoral residency in Comprehensive Dentistry. He served as a dental officer ashore and afloat from 1982-1991 in the U.S. Navy and was the dentistry department head afloat the U.S.S. Guam. Dr. Morrison was head of the Pediatric Department from 1987-1988, Dental Clinic, Norfolk Naval Station, Norfolk, Virginia.

Dr. Morrison is married to Alison, who serves as Morrison Dental Group’s CFO. They have two sons: Frank, a LCDR in the United States Coast Guard and Alex, who also works with Morrison Dental Group as the Chief Compliance Officer. In his spare time, Dr. Morrison is a dedicated family man and enjoys fishing on the Chesapeake Bay, as well as kayaking and restoring British MG cars.

Dr. Morrison is a member of the ADA, American Academy of Sleep Medicine, The VDA, the PDA, and the International College of Dentistry.

Dr. Rafael Siqueira

Dr. Rafael Siqueira is originally from Recife, a beautiful town on the coast of Brazil. He attended the University of Pernambuco in Brazil and graduated from dental school in 2010. 

He then went on to complete a Masters of Implantology which is similar to a US residency program. After completing that, he joined a PhD program at the Federal University of Pernambuco which sent him to the University of Michigan to do research for his master’s thesis. Once he completed his PhD, he headed back to Michigan School of Dentistry for a 3-year residency in Periodontics. During his time in school and residency, he was able to publish over 30 scientific articles in international peer reviewed journals and write five book chapters. This resulted in a few awards over the years. 

Dr. Siqueira’s interest in dentistry started to develop very early in his life by watching his parents who are both dentists. He observed his father teaching students and treating both students and patients with compassionate care. He witnessed a few instances where patients were moved to tears by the results of his father’s care and students whose lives were so strongly impacted by the mentorship his father provided on their path to become a Periodontist or Implantologist. Dr. Siqueira soon realized he wanted to have that same positive impact by being a dentist, educator and researcher.  

Dr. Siqueira describes himself as not only family-oriented and very sociable, but also easy-going and calm. He loves being with friends, having a good time and sharing great food. He is typically very optimistic. He is married to Renata, a lawyer, who just recently gave birth to their first child, Thomas. They do not currently have any pets but hope to add a dog to their family in the near future. Dr. Siqueira is a big sports fan, food lover and loves to travel. His hobbies include playing tennis, watching sports, exploring new restaurants, travelling and meeting new people, and learning new languages. A fun fact about Dr. Siqueira is that he speaks his native language, Portuguese, as well as English, Italian, and can communicate quite well in Spanish. He is currently taking a Spanish course to improve his fluency.

Dr. Anthony Milanez

Dr. Anthony Milanez was born and raised in Southern California. He spent several years in New York where he attended Parsons School of Design before deciding to go to dental school.

He graduated from Oklahoma School of Dentistry with a Doctorate in Dental Science. After finishing his Doctorate studies, he moved to New York to complete his dental education at Columbia University. Upon completing his studies, he moved back to California to begin his dental career. He ran a successful private practice in Los Angeles for more than 15 years where he specialized in cosmetic dentistry. Many of his patients with careers in media and the entertainment industry relied on his skill and aesthetic expertise to look their best. After selling his Los Angeles practice he moved to Richmond, Virginia, attracted to its slower pace of life and architectural and geographic beauty.

Dr. Milanez is committed to continually maintaining and honing his skills in dentistry through continuing education and utilizing the most current technology. He is not only experienced in general dentistry, his expertise includes Invisalign, Dental Implants, and teeth whitening processes.

Dr. Abdi

Dr. Abdi was drawn to dentistry because she always noticed people’s smiles. Her husband, Ali, is also in the medical field and was a big inspiration to her becoming a dentist. She loves the cosmetic side of dentistry.

Dr. Abdi was born and raised in Algeria. She attended college and dental school in Algeria. Her program placed a lot of emphasis on radiology and pathology. She completed a residency at the University of South Carolina. Since then, she has volunteered at many of the dental clinics in and around her community, including Missions of Mercy, as well as the charity she founded in Algeria called The Hope Foundation. Dr. Abdi is a member of the American Dental Association. 

Dr. Abdi and her husband have two sons, Feris, 9 and Wassin, 13. Dr. Abdi describes herself as being very passionate, outgoing, and friendly. In her free time, she loves playing soccer with her kids and making jewelry. She also loves to travel. She speaks French, Arabic and Berber fluently.

Our Staff

Priscilla Hansen

Regional Manager

Priscilla Hansen joined Morrison Dental Group in 2013 as an office coordinator after spending 10 years working in Human Resources. She was born in Panama to military parents and grew up in rural Pennsylvania.

She moved to Williamsburg in 2012 due to her husband being stationed at Ft. Eustis. After spending four years as an office coordinator, she became a Regional Manager for our south side offices. Priscilla most enjoys the dental field because of how much she cares for our patients. She loves being a part of their emotional journey as they come into the office in pain and leave with instant gratification. In her spare time, Priscilla enjoys spending time with her family and cheering on Penn State. She is most proud of the time she is able to give back to the community volunteering for things such as Girl Scouts, Smiles for Heroes, and many more!

Allison Butler

Office Coordinator

Allison is from Mechanicsville and is happy to be serving the community where she grew up! She has worked in the healthcare industry for many years, initially getting her start working in an assisted living facility, specifically with Alzheimer’s patients.

She eventually moved over to the dental field, where she loves building relationships with patients and being able to help them achieve the smile they are looking for. Allison has two little boys and enjoys spending her time with them fishing, hunting, being on the river, and hanging out at the baseball field.

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