
Stevie Roberts, DMD
DUO CO-FOUNDER
Dr. Stevie Roberts is a dentist, mom and entrepreneur committed to advancing oral health with evidence-based care and sustainable design. She is the co-founder of Duo Toothpaste, a plastic-free, tablet toothpaste clinically formulated with nano-hydroxyapatite to support both oral and systemic health.
Education and Clinical Practice
Dr. Roberts earned her Bachelor’s degree in the Biological Basis of Behavior (Neurobiology) from the University of Pennsylvania. She went on to complete both a Master of Science in Biomedical Science and a Doctor of Dental Medicine (DMD) at Tufts University.
After graduation, she returned to Philadelphia to train under her parents, Dr. Kathryn Ames and Dr. Joseph Roberts and gained extensive experience in all aspects of patient care and clinical dentistry. Today, she leads Dentiste, an award-winning, all-women dental practice in Kirkland, WA, recognized by the Seattle Times as one of the “Best in the Pacific Northwest” and featured on the cover of Dentaltown for its patient-centered and innovative approach to dental care.
Research and Publications
Dr. Roberts regularly contributes to the scientific and professional dialogue on oral care. She has authored numerous articles on toothpaste innovation, the safety and efficacy of nano-hydroxyapatite, and fluoride alternatives. Her research-driven insights have been shared through the Duo Blog and widely referenced by patients and dental professionals.
Selected contributions include:
A full list of her contributions can be found at the Duo Blog.
Media Features
Dr. Roberts’ work has been featured in Dentaltown, Dental Entrepreneur, and My Dental Advocate, among others. Alongside her husband and co-founder, Dr. Robert Johnson, she has also shared the Duo Toothpaste story on podcasts including Heart to Hustle, Dr. Gallagher, and The Wahan Experiment.
Leadership
As both a clinician and entrepreneur, Dr. Roberts brings leadership to the forefront of sustainable oral care innovation. She is a key voice in bridging clinical dentistry with consumer education, empowering patients with transparent, evidence-based information about toothpaste ingredients, safety, and efficacy. Under her leadership, Dentiste has become a recognized leader in progressive, women-led dental practice models.
Mission and Duo Story
Inspired by her upbringing in a family of dentists and her dedication to patient health, Dr. Roberts co-founded Duo Toothpaste to provide a clinically effective, environmentally responsible alternative to conventional toothpaste tubes. Duo is formulated with rod-shaped nano-hydroxyapatite at an optimal concentration to help restore enamel and reduce sensitivity, while also eliminating plastic waste from oral care routines
Dr. Roberts can be reached through Duo Toothpaste, her practice Dentiste, or on LinkedIn.
