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Meet Our Staff

Dr. Pamela Lyon, MD, FACEP, FOMA

Dr. Lyon graduated from University of Florida College of Medicine 1992. She completed her residency in Emergency Medicine at Richland Memorial Hospital/USC Columbia, SC 1995. She continued to practice Emergency Medicine at various Emergency Departments in SC for 10 years before starting to practice bariatric medicine in 2005. In January 2008, she established WaistLines. She completed the bariatric board certification process in April 2009. She is an American Board of Obesity Medicine diplomate, a member of the Obesity Medicine Association, active in the Obesity Action Coalition, and she regularly attends conferences and advocacy events to raise awareness for obesity treatment and prevention.  She is a Master Naturalist and enjoys geocaching and line dancing.


Katherine Barrett, Office Manager

Katherine graduated from Clemson University with a BS in Public Health Sciences in 2006 and an MA in Professional Communication – Health Communication in 2008.  Her master's thesis investigated the link between health outcomes and virtual communities and social networks.  She was born and raised in the Columbia area and enjoys cooking, photography, crafts, and DIY projects.


Jennifer Williams, Medical Assistant

Jennifer comes to us with over 15 years of Medical Assisting experience.  She received her phlebotomy certificate in 2005 from Asheville-Buncombe Technical Community College.  Jennifer was born and raised in Chicago but has lived in Columbia for the past 14 years.  She is a proud mother (of three!) and grandmother (of one!) who loves cooking, jewelry, perfume, and making people smile.