A graduate of the University of Pittsburgh, School of Dental Medicine, Dr. McMahon owns one of the largest cosmetic dental practices in Western Pennsylvania. She is accredited by the American Academy of Cosmetic Dentistry, and an invited Fellow of the prestigious American Society for Dental Aesthetics and a Fellow of the Academy of General Dentistry. An author and internationally recognized lecturer and KOL, Dr. McMahon has devoted her professional career to the pursuit of advanced technologies in cosmetic and minimally invasive dentistry. She is a past clinical instructor in Prosthodontics and Operative Dentistry at the University of Pittsburgh. She frequently lectures across the United States and internationally on minimally invasive dentistry and conservative cosmetic dentistry for teenagers and young adults. She also lectures on incorporating technology and smile design. She has been honored as a Top Dentist over 20 times. She has also been voted by her peers as a Top Pittsburgh Dentist every year for over two decades.

Dr. McMahon is active in promoting the advancement of women in dentistry. She mentors and supports many rising dental speakers through speaker training and networking.

Recent lecture appearances  have been:

          Infinity-Clinica Dental 2022, Lima Peru

          American Academy of Cosmetic Dentistry Annual Meeting 2022, Orlando Florida

          Glidewell IOX Symposium 2022, Newport Beach California

          Alexandria International Dental Congress 2022, Alexandria Egypt

          Chicago Midwinter Dental Meeting 2023, Chicago, Illinois

          Star of the North Dental Meeting, 2024, St. Paul, Minneapolis

Dr. McMahon lives and raised her three children in Pittsburgh.