Meet Our Team

Robert M. Kelso Family and Cosmetic Dentistry of Knoxville is proud to offer you a well-trained staff full of energy and compassion. From our office staff to our dental hygienists, your health is our business and we take our business very seriously!

Peggy Wright, Front Desk

Peggy is our front office administrator. She has been with the office since 2010. She is the first friendly face you will see when you walk through the front door.

Peggy was born and raised in East Tennessee and is an avid Tennessee Vols fan.

Peggy enjoys cooking, painting, taking walks and spending time with her family and friends.

Theresa Biggs, R.D.A., C.D.A.

Theresa’s interest in dentistry began in high school, and she started her dental assistant career in Cleveland Ohio at the Health Career Centers in 1991. She loves taking care of her patients and making sure they are comfortable during treatment.

Her love and knowledge of dentistry is shared with her students at UT, where she is an instructor for dental assisting at the UT Conference Center.

In her free time she loves being home with her family, gardening, swimming and wood working.

Lesa Cofer, R.D.H.

Lesa was born and raised in Cave Springs, Georgia. She graduated from Clayton University with her degree in dental hygiene. She has been with our office for 7 years but she has advanced training in periodontics from her 22 years working in a specialist’s office. She is currently certified to administer local anesthesia and nitrous oxide.

Lesa enjoys sharing her knowledge from her 30 years of experience and educating her patients to achieve a healthy smile. She has been active in the 2 District Dental Hygiene Association where she has served as president and vice-president.

Lesa and her husband Greg have twins Keaton and Garett. She loves hiking, reading, and traveling with family and friends.

Jessica Gambino, R.D.H.

Jessica has been working in dentistry for 18 years. Before becoming a hygienist she spent some time assisting and working in the front office. She enjoys educating her patients about their dental health and helping them become comfortable with their dental treatment.

When she's not working she can be found with her two young sons and husband. She also enjoys spending time at the gym, volunteering at her sons' school, learning to play the piano and being active outside with the family.


Kelly has been involved in dentistry for more than 30 years.

When not in the office, she enjoys reading and working alongside her husband at their church.


I love preserving and restoring smiles, as well as working with Lost Sheep Ministries delivering dental care to the underserved homeless population.

Free time is filled with family, especially with my granddaughter. I love checking out local musicians and being at my vintage store in Fountain City.


Jan graduated from the University of South Dakota with a degree in Dental Hygiene. She has more than 30 years of experience in the field.

She enjoys spending time with her family and grandchildren.