Pearl Dental Group (formerly Postle Dental Group) is a trusted general dental practice in Hilliard, Ohio serving families throughout Hilliard, Upper Arlington, Dublin, Grove City, Plain City, Columbus, and the greater Central Ohio area.
As a privately owned, locally operated dental office, we are committed to high clinical standards, long-term team continuity, and relationship-based care. Our low turnover and consistent leadership ensure patients receive dependable, comprehensive dental care from a team they know and trust.
We are proud to introduce the experienced dentists who care for your smile and continue our legacy of excellence in Hilliard.
Dr. Lisa Briceland-Kolp
Dr. Lisa Briceland-Kolp hails from Youngstown, Ohio and graduated from Austintown Fitch High School. She earned a Bachelor of Science in dental hygiene from The Ohio State University.
After working as a dental hygienist in our office for a year, she pursued her DDS at The Ohio State University College of Dentistry. She is a proud member of the American Dental Association (ADA), the Ohio Dental Association (ODA), the Columbus Dental Society (CDS), and Omicron Kappa Upsilon, the National Dental Honor Society.
Dr. Briceland-Kolp and her husband Steve are proud parents to Ryder and Reagan, and they are active members of the Hilliard community. They are also avid fans of Ohio State football. In her free time, she enjoys boating with her family and playing with their dog, Remi.
Dr. Michael Willmann
Dr. Michael Willmann grew up in St. Henry, Ohio, in a family of dentists—both his father and sister are dentists. He earned his undergraduate degree from the University of Dayton and completed his DDS at The Ohio State University College of Dentistry. After dental school, he completed a one-year hospital residency in Akron, Ohio, before returning to Columbus, where he worked in private practice for several years before joining Postle Dental Group. He is a member of the American Dental Association (ADA), the Ohio Dental Association (ODA), and the Northeast Columbus Study Club.
In his free time, Dr. Willmann enjoys spending time with his wife Megan, son Crosley, and other family members. If the weather is good, you’ll find him golfing or staying active outdoors.
Dr. Megan Hall Hennessy
Dr. Megan Hall Hennessy has deep roots in Central Ohio. She grew up in Upper Arlington and graduated from Upper Arlington High School. Her grandfather was a prominent Periodontist in the region, inspiring her to follow in his footsteps and pursue a career in dentistry. Prior to joining Postle Dental Group, she was a patient of the practice for many years.
Dr. Hall Hennessy holds a Bachelor of Health Science degree from the University of Florida. Upon graduation, she moved back to Ohio to attend The Ohio State University College of Dentistry. She is a member of the Ohio Dental Association (ODA), American Dental Association (ADA), and the Academy of General Dentistry (AGD).
During her undergraduate and dental studies, Dr. Hall Hennessy worked at the local restaurant Figlio, where she met her husband Terry. In her free time, she enjoys traveling and spending time with family, friends and her new puppy, Penny!
Dr. Herb Postle
Retired
Dr. Herb Postle brings over thirty years of experience in dentistry and represents the third generation of a family dedicated to dental practice and education in Central Ohio. He completed his dental training at The Ohio State University College of Dentistry, a school named after his grandfather. Throughout his career, Dr. Postle remained committed to continuing education, staying current with the latest dental techniques and research to provide exceptional care to his patients.
Recognized by his peers, he was voted “Top General Dentist” in Central Ohio in 2009 and named Best Dentist in Hilliard by Columbus Monthly Magazine in 2011. He was also featured as a Top Dentist in Columbus Monthly magazine over the years.
Dr. Postle is now retired and grateful for the many years he spent serving the Hilliard community and the generations of families who trusted him with their dental care.
In retirement, he enjoys fishing, cycling, and other outdoor activities. He is a proud father to his children Reid, Abby, Annie, and a proud grandfather to Hank and Lucy.
