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Diane Hunter

Diane has an associate degree in business from Welch College in Nashville, TN. Diane is the Administrative Support for clinical services. She supports Drs. Ringel, Crockett, and Peery. She also provides support and information to patients. Diane comes to us with 3 ½ years of previous service with the State of NC and 23 years of experience with Verizon.


Sheila Crawford, RN

Ms. Crawford is the head nurse for the GI Motility Lab.


Jennifer Layton

Mrs. Layton is an administrative assistant for clinical services. She facilitates the referral and scheduling process as well as providing support and information to patients seeking treatment. She attended North Carolina State University for Agricultural Communications with a concentration in horticulture. She is a lifelong resident of North Carolina, and devotes her spare time to the rescue and rehabilitation of small exotic animals.

Stefanie Twist

Stefanie Twist, BA

Ms. Twist is the Center Coordinator. She received her Bachelors in Psychology from North Carolina State University. She is responsible for the day to day activities within the Center. She works to facilitate Center related events and website maintenance. She also coordinates a research study in collaboration with urgogynecology for the surgical treatment for fecal incontinence.

Robin Dever

Robin Dever, RN

Ms. Dever received her Associated Degree in Nursing from Durham Technical Community College. She has worked previously in New Jersey at Shore Memorial Hospital and in UNC GI Procedures before coming to work for the Center as a Nurse Coordinator. She will be assisting Drs. Yehuda Ringel, Spencer Dorn, Yolanda Scarlett, and Danielle Maier, PA-C.