Nephrology Associates

Our Staff

Our experienced clinical research team will streamline the process of starting your study, and assure that your study is conducted with the utmost efficiency and accuracy.

Cindy Yancy-Spurgeon, BS, CCRC, CCRP

Research Manager

Mrs. Yancy-Spurgeon has been a Clinical Research Coordinator for over 19 years. Her therapeutic areas of experience include CKD, ESRD, Hospital based studies, GERD, GI, Women's health, vaccines, and many others. Cindy has been a Clinical Medical Assistant since 1995, and received her Bachelor of Science from Bryan College in 2010. Cindy has been certified as a Clinical Research Coordinator (CCRC) from the Association of Clinical Research Professionals(ACRP) as well as Society of Clinical Research (CCRP). Cindy is certified with CITI, OSHA, IATA, and BLS.


Donna Bunten, CCRP, PM-LPC

Senior Clinical Research Coordinator
Managing Hospital Coordinator 

Mrs. Bunten is a Certified Research Professional and joined SERRI in July 2013. Donna brings 16 years of Clinical trial experience. She obtained her certification through Society of Clinical Research Professionals and has extensive background in Phase I-III and Managing hospital trials. Her therapeutic areas include Sepsis, Internal Medicine, Nephrology, Rheumatology, Endocrinology, Mental Health, Infectious Disease, Cardiology and Chronic Pain.

Donna has completed CITI,OSHA and IATA training and is BLS certified. She is currently credentialed at Erlanger, Memorial and Parkridge Hospital.


Brett Jennings, PhD

Clinical Research Coordinator & Translational Scientist

Dr. Jennings moved to Chattanooga in 2013, after completing his post-doctoral training in the Department of Pharmacology at the University of Tennessee Health Science Center in Memphis, TN. He obtained his PhD in 2008 from Deakin University in Geelong Australia; the focus of his graduate research was vascular biology. Dr. Jennings has extensive lab-based research experience in the field of hypertension, and its relationship to cardiovascular and renal pathophysiology. He is now working as a scientific reviewer and clinical research coordinator at SERRI, and as an adjunct professor in the chemistry department at the University of Tennessee in Chattanooga. He assists in the coordination of hospital based studies; data collection, verification, and entry, and regulatory compliance as well as aiding in the processing of laboratory samples. Dr. Jennings also provides recruitment support for the trials, by searching our patient database for possible study subjects, as well as reviewing study protocols for upcoming clinical trials. 


Jessica Smith-Goins, BS

Research Office Manager/Executive Assistant

Jessica earned a B.S. in Education with a concentration in English from the University of Tennessee at Chattanooga and joined the SERRI team in 2013.


Sydney Boles

Clinical Research Coordinator

Ms. Vaughan joined SERRI in March of 2015. She is currently studying for the ACRP certification and plans to sit for the exam in the near future. She has completed CITI, OSHA, and IATA training and is BLS certified. Sydney enjoys spending time with her son, Jackson, and the rest of her family.


Kathy Brown, CCRC

Data Entry Specialist

Kathy is certified through ACRP and joined SERRI in August of 2010. She enters data for the Research coordinators at SERRI. She is well versed with the many types of Electronic Data Capture and has completed CITI training.

Naronda Jackson

Clinical Research Coordinator

Naronda Jackson joined the SERRI team as a Clinical Research Coordinator in May of 2019.  She earned her Medical Cardiovascular Tech Assistant at California Medical College in 2013 and worked as a Cardiovascular Technologist /Technician in a cardiac cath lab preforming Myocardial Perfusion Imaging/ Nuclear Stress Test.  She also assisted in very complex procedures, including stent implants, cardiac pacemakers and defibrillators and other tests to diagnose heart disease.  Naronda Jackson was recruited within Duke University Medical Center in 2013 into the Branch of Health Science. Since then she has worked as a Clinical Research Coordinator in various research study trails relating to Hepatitis C Virus, Hypertension, Liver Fibrosis, Helicobacter Pylori, Diabetes, and Anemia.

Travis Ramsey

Clinical Research Coordinator

Mr. Ramsey joined the SERRI team as a Clinical Research Coordinator in August of 2018. He earned a bachelor’s of science in chemistry from The University of Tennessee in 2014, and worked as an analytical research and development chemist where he specialized in product stability research and analysis. He left his career in pharmaceutical product research to pursue his desire to care for people in a research related positon. Since starting at SERRI, Travis has conducted studies relating to diabetes, hypertension, anemia, and other nephrology related diseases and complications. Travis has completed CITI Training, OSHA training, BLS training, and IATA training, and is awaiting his two-year anniversary in August of 2020 so that he may complete the certification exam and be certified as a Clinical Research Coordinator (CCRC) from the Association of Clinical Research Professionals (ACRP).