About Us

Meet the dedicated, robust, dynamic and multidisciplinary team at each of the different sites.

Duke University Hospital

  • Site Leader: Valerie Renard, NP
  • Thomas Holland, MD, Infectious Disease
  • Nilima Mosaly, MD, Pulmonary Hospitalist
  • Ryan Slauer, MD, Medicine-Psychiatry
  • Yiran Yang, MD, PhD, Hospitalist ¬†

Duke Regional Hospital

  • Site Leader: Emily Ko, MD, PhD
  • Andrea Archibald, MD, Hospitalist
  • Grace Dreyer, PA, Hospitalist
  • Neil Stafford, MD, Hospitalist

Duke Raleigh Hospital

  • Site Leader:¬†Tatyana Der, MD, MHSc
  • Christopher Leo, MD, PhD, Hospitalist
  • Marie Witte, MD, Hospitalist

Research Team

  • Tammy Bishops, RN, Assistant Research Practice Manager
  • Pamela G. Williams, Senior Program Coordinator
  • Oluwayemsi Mohammed, MBChB, MS, CCRC, Lead research coordinator
  • Jessica Pennel, RN, Regulatory Coordinator
  • Nkiruka Azuogalanya, Research Coordinator
  • Atoosa Heidari Bigvand, Research Coordinator
  • Veronica Wettermark, RN, Research Nurse
  • John Stover, RN, DOCR Maestro IT Analyst Sr
  • Earl Schwark II, DOCR Maestro IT Analyst