Meet The Team - Philadelphia, PA

Meet Our Excellent Dental Team

Meet The Team


Lauren O’Hanlon, RDH

Lauren graduated with honors from Manor College in Jenkintown, PA, and is a dental hygienist with Center One Dental Associates. She is devoted to providing the most optimal care to her patients. Her focus is on providing individualized care to her patients that focuses not only on oral health but also on overall health.
She knows the practice of dentistry is forever evolving and she is committed to learning the latest and greatest in-patient care so that she can implement only the best in treatments for her patients.

She is a proud mother to her 11-year-old son Liam Andrew and partner to Scott. She enjoys spending time with her family and friends at her shore home in West Wildwood, with boating and beach time included.


Annabel Cousins, Dental Assistant

Annabel entered the profession of dentistry with the focus of making a difference in the lives of patients. She realizes many people are fearful of coming to the dentist, and she has made it her mission to ensure she works hard to help and create a comfortable and welcoming environment for patients. She has a very calm demeanor, which allows setting the stage for a calming atmosphere. Her goal is to ensure appointments run smoothly and patients leave with a smile. She loves teaming up with Dr. Kessler to provide the best care to patients and engages in continuing education to stay ahead of the latest.

When not working, Annabel loves to spend time with family, ride her horses, and jumps at every opportunity to relax and lay on the beach in the summer.


Nathan Maisonet, Head of Infection Control

Nathan graduated this year from high school and was selected as salutatorian of his graduating class. He is now ready to begin his pre-dental studies at Arcadia University in the Fall as his long-term goal is to become a dentist. Nathan takes pride in the roles he holds in the practice as the infection control coordinator and dental assistant.
He knows the importance of ensuring proper protocols are followed in keeping patients safe, so he has made it his priority to implement strong systems within the practice. He has successfully obtained his certification in Infection Control from the Dental Assisting National Board. He has also completed a course in COVID-19 Respiratory and Aerosol Protection, General Aspects of Instrument Processing, and Understanding CDC’s Summary of Infection Prevention Practice. Most recently he also obtained his radiology certificate from DANB and can now jump in to take radiographs on patients.
When he is not working, Nathan loves to play soccer, attend youth group meetings, game, and spend time with his cousins.


Lisandra Maisonet, RDH, BS, EFDA, CDA | Chief Operating Officer/Partner

Lisa’s career in dentistry spans over 34 years. She is a proud registered dental hygienist and loves implementing practices that ensure patients receive comprehensive care. Her focus is on oral-systemic health, and she shares her passion for this with dental professionals across the country.

Her role as the chief operating officer and treatment plan coordinator allows her to continuously implement practical systems in the office that will enable patients to have different options for treatment. She is proud of the partnerships the practice has with several financing companies that can provide financing in helping patients to move forward with treatment.

Because exceptional patient care is her main focus, Lisa understands that importance of creating an exceptional team culture. She makes it a point to ensure the team feels appreciated for their dedication to patient are and knows that without them the practice cannot be successful.

When not working Lisa loves to spend time with her husband Keith, two children Rebeca and her husband Denis, Nathan, and stepson Keith. Babysitting her two amazing grandchildren, Emerson and Oliver, during her downtime has become one of her favorite activities.


Rebeca Maisonet, Patient Concierge/Treatment Plan Coordinator

Rebeca comes to the practice with vast experience creating a positive patient experience. She realizes that having a healthy smile not only enhances overall health but also helps to boost an individual’s self-esteem. Her mission is to ensure she can work with patients to help them follow through with necessary care. When you call the office, you will experience her friendly demeanor. Her mission is to ensure a warm welcome when patients come in for their visits, and she works hard to ensure every aspect of care is positive for patients.

When not at work, Rebeca works on weekends as a licensed makeup artist, where she creates unique and stress-free bridal experiences for her clients. One of her favorite roles is being a mom to her two children, Emerson and Oliver and a wife to her husband Denis.


Valentyna Savuliak, Dental Assistant

With a foundation in excellence and a radiating passion for patient care, Tina is a proud graduate of the SmileSystems School of Dental Assisting. Her journey in dental health took a significant leap forward upon earning her radiology certification, allowing her to further contribute to patient wellness and treatment accuracy. She is known for her friendly demeanor and outgoing personality, and thrives in team settings, consistently proving herself as an invaluable asset. Her dedication to ensuring a comforting and positive experience for every patient is paramount. Her skills, combined with enthusiastic approach to both learning and patient interaction, make her a distinctive member of our dental care team.