UTHSC Advisory Board

Philip A. Wenk, DDS

Phil Wenk, DDS, president and CEO of Delta Dental of Tennessee since 2000, has earned a reputation as one of Tennessee’s leading health care executives. Dr. Wenk was selected as one of the University of Tennessee’s most illustrious alum when he was selected from more than 370,000 alumni and named to the list of “Top 100 Distinguished Alumni” by Tennessee Alumnus, the University of Tennessee system’s alumni magazine. Dr. Wenk has also been recognized as a “Health Care Hero” and named to the “Health Care 100” by Nashville Business Journal.

Dr. Wenk is a graduate of the University of Tennessee, Knoxville and received his DDS from the University of Tennessee Health Science Center.  Prior to coming to Delta Dental, Dr. Wenk practiced dentistry for two decades in his hometown of Clinton, TN.  He and his wife of 46 years, Brenda, live in Brentwood and frequently spend time with their two children and three grandchildren.

Randall A. Davis, MD

Dr. Davis joined Memphis Radiological P.C. in 1999. A Tennessee native, Dr. Davis received an undergraduate degree in Biology and Chemistry from University of Memphis. He earned his medical degree at the University of Tennessee and completed his residency in Diagnostic Radiology at Methodist University Hospital of Memphis. He completed his fellowship in Nuclear Radiology at the University of Arkansas for Medical Sciences.

Dr. Davis is board certified by the American Board of Radiology. His professional memberships include the American College of Radiology, Tennessee Radiological Society, Radiological Society of North America, and American Society of Nuclear Medicine.

Natalie A. Tate, PharmD, MBA, BCPS

Dr. Natalie Tate joined BlueCross BlueShield of Tennessee in September 2015 as Vice President of Pharmacy Management.  In this role, Dr. Tate oversees all aspects of the Pharmacy Management program and provides strategic direction for the pharmacy teams charged with helping our members improve their health outcomes.  Prior to joining BlueCross BlueShield of Tennessee, Dr. Tate served with Bristol-Myers Squibb as Director of Health Economics and Outcomes Research; with Memphis Managed Care Corporation as Director of Pharmacy and as a pharmacist with both Walgreens and the Memphis Mental Health Institute. 

Dr. Tate earned her Doctor of Pharmacy from the University of Tennessee Health Science Center and a Master of Business Administration from the University of Tennessee at Chattanooga. She holds a Bachelor of Science degree from Middle Tennessee State University and is certified by the Board of Pharmaceutical Specialties.

Michael Ugwueke, DHA, FACHE

Michael Ugwueke, DHA, FACHE, President and COO of Methodist Le Bonheur Healthcare, is an accomplished healthcare executive with over 30 years' experience and a track record of developing partnerships with physicians, associates and community leaders to address healthcare needs in the community. He has been recognized by City, County and State elected officials for his efforts to improve access to quality healthcare and is committed to patient- and family-centered care, excellent clinical quality and community wellness. 

Dr. Ugwueke received a Doctorate in Health Administration and Leadership from the Medical University of South Carolina in Charleston and a Master's Degree in Public Health from Emory University. A member of various professional organizations, including NAHSE (National Association of Health Services Executives) and ACHE (American College of Healthcare Executives), Dr. Ugwueke was recently named a recipient of Becker’s Healthcare 2015 Leadership Awards and was honored in 2012 as a Modern Healthcare Top 25 Minority Executive.

Josh J. Wayman, DDS

Dr. Wayman is a graduate of the University of Tennessee, Knoxville and received his DDS in 2006 from the University of Tennessee Health Science Center. Prior to working as the owner and sole practitioner at RiverSprings Dental in Kingston Springs, he worked as an associate dentist at Kemp Dental in Brentwood, Tennessee. He and his wife, Marci, have one daughter.