About Us

The Alliance for Multispecialty Research, LLC (AMR) performs phase I, II, III, and IV clinical research trials to support pharmaceutical companies in the development of new drugs, devices, and vaccines.  AMR includes 15 locations and 2 affiliated member centers across the continental United States, 126 investigators, over 7, 749 previous clinical trials, and access to databases of over 657,344 patients.  As one company, AMR now offers improved efficiencies with the same exceptional quality and industry professionals you trust.

Please visit www.amrllc.com for more information.


Established in New Orleans in 1985, NOCCR still maintains the original Canal Street location. Following Hurricane Katrina, the Phase I unit and company headquarters were moved to Knoxville, TN.

NOCCR Knoxville and Volunteer Research Group are headquartered inside East Tennessee’s premier research hospital; ideally located for complex clinical trials.

Knoxville Site

Knoxville, TN Senior Management

(Pictured from left to right: Richard L. Gibson MD, Sandra Gibson RN MBA, William B. Smith MD, and Nyda Brook JD)

William B. Smith, MD, FACC, is the Founder, President, and Principal Investigator. He is board certified in Internal Medicine, Critical Care Medicine, Nephrology, and Cardiology. He has been involved in greater than 1800 clinical trials over the past 35 years. Dr. Smith is a frequent lecturer and author and publishes extensively in clinical and scientific journals.

Richard L. Gibson, MD, is a Principal Investigator and has been with NOCCR for 20 years. He is board certified in Internal Medicine, Nephrology, Psychiatry, and Forensic Psychiatry, and MPH in Tropical Medicine.

Nyda Brook, JD, Vice President and General Counsel, has been with NOCCR since 1999. Prior to joining our team, she practiced healthcare law in New Orleans.

Sandra Gibson, RN, MBA, Director of Budgets, has been with NOCCR since 1999. Sandy is certified in Nephrology and Critical Care Nursing as well as clinical research coordination.

Business Development

Amy Rushing, Senior Director of Business Development –  Amy joined VRG/NOCCR in 2004 and has worked in various capacities with the company.  Please connect with her via LinkedIn, email at Amy.Rushing@amrllc.com, or phone at (865)305-9100 ext. 234.

Professional Clinical Staff

We have experienced medical staff on duty at the facilities 24/7 including 12 full-time study coordinators, 2 full-time Nurse Practitioners, 20 coordinator assistants, IATA certified lab coordinators, and contract and budget specialists. Our coordinators each have an average of 6 years’ experience in the medical field.


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