Faculty

Steven E. Brooks, M.D.
Assistant Professor of Surgery,
Director Trauma/Critical Care
email: steven.brooks@ttuhsc.edu

Sharmila Dissanaike, M.D., FACS, FCCM
Professor and Peter C. Canizaro Chair, Department of Surgery
Assistant Medical Director, Timothy J. Harnar Burn Center
email: sharmila.dissanaike@ttuhsc.edu

John A. Griswold, M.D.
Chair Emeritus
Medical Director, Timothy J Harnar Burn Center
email: john.griswold@ttuhsc.edu

Ari Halldorsson, M.D.
Professor and Vice Chair, Department of Surgery
Chief, Division of Thoracic Surgery
email: ari.halldorsson@ttuhsc.edu

Robert V. Johnston, Jr., M.D.
Associate Professor, Dept. of Anesthesiology
email: robert.johnston@ttuhsc.edu

Robyn Richmond, M.D.
Assistant Professor
mail: robyn.richmond@ttuhsc.edu

Catherine A. Ronaghan, M.D.
Associate Professor
mail: catherine.ronaghan@ttuhsc.edu

 

Amir H. Aryaie, M.D.
Assistant Professor of Surgery,
Bariatric Surgery
email: amir.aryaie@ttuhsc.edu

Rebeccah Baucom, MD
Assistant Professor of Surgery
Colorectal Surgery
email: rebeccah.baucom@ttuhsc.edu

Steven E. Brooks, M.D.
Assistant Professor of Surgery,
Director Trauma/Critical Care
email: steven.brooks@ttuhsc.edu

Sharmila Dissanaike, M.D., FACS, FCCM
Professor and Chairman, Department of Surgery
Assistant Medical Director, Timothy J. Harnar Burn Center
email: sharmila.dissanaike@ttuhsc.edu

Edwin Onserio Onkendi, MB. ChB.
Assistant Professor
Hepatobiliary Pancreatic Surgery
email: edwin.onkendi@ttuhsc.edu

Mark Williams, M.D.
AssociateProfessor
General Surgery
Interim Residency Program Director General Surgery
mail: mark.williams@ttuhsc.edu

 

Amir H. Aryaie, M.D.
Assistant Professor of Surgery
Bariatric Surgery
email: amir.aryaie@ttuhsc.edu

Vinay Goyal, M.D.
Assistant Professor of Surgery
Bariatric Surgery
email: vinay.goyal@ttuhsc.edu

Rakhshanda Layeequr Rahman M.D.; FRCS; FACS, M.D.
Professor of Surgery
Breast Cancer and Breast Disease
email: rakhshanda.rahman@ttuhsc.edu

 

Celeste M Hollands, M.D.
Associate Professor of Surgery
Pediatric Surgery
email: celeste.hollands@ttuhsc.edu

Thomas McGill, M.D.
Associate Professor of Surgery
Pediatric Surgery
email: thomas.mcgill@ttuhsc.edu

 

Ari Halldorsson, M.D.
Professor and Vice Chair, Department of Surgery
Chief, Division of Thoracic Surgery
email: ari.halldorsson@ttuhsc.edu

Benjamin Hirsch, M.D.
Assistant Professor of Surgery
Thoracic Surgery
email: benjamin.a.hirsch@ttuhsc.edu

Ralph Paone, M.D.
Assistant Professor of Surgery
Thoracic Surgery
email: ralph.paone@ttuhsc.edu

 

Rebeccah Baucom, MD
Assistant Professor of Surgery
Colorectal Surgery
email: rebeccah.baucom@ttuhsc.edu

Benjamin Hirsch, M.D.
Assistant Professor of Surgery
Thoracic Surgery
email: benjamin.a.hirsch@ttuhsc.edu

Ralph Paone, M.D.
Assistant Professor of Surgery
Thoracic Surgery
email: ralph.paone@ttuhsc.edu

Dixon Santana, M.D.
Associate Professor, Department of Surgery
Director of Surgical Simulation Laboratory
email: dixon.santana@ttuhsc.edu

 

 

Huan Vu, M.D.
Associate Professor of Surgery
Surgical Oncology
email: huan.n.vu@ttuhsc.edu

 

Joehassin Cordero, M.D.
Professor, Department of Surgery
Chairman, Department of Otolaryngology - Head & Neck Surgery
email: joehassin.cordero@ttuhsc.edu

Joshua C. Demke, M.D.
Associate Professor, Department of Otolaryngology
Associate Professor, Facial Plastic and Reconstructive Surgery
joshua.demke@ttuhsc.edu

Winslo Idicula, M.D
Assistant Professor, Pediatric Otolaryngology-Head and Neck Surgery
email: winslo.idicula@ttuhsc.edu

Tam Nguyen, M.D.
Associate Professor, Otolaryngology-Head and Neck Surgery
Adjunct Assistant Professor, Audiology, Speech and Hearing Science
email: tam.nguyen@ttuhsc.edu

 

Ben Baronia, M.D.
Assistant Professor of Surgery
Neurosurgery
email: ben.c.baronia@ttuhsc.edu

Muhittin Belirgen, M.D.
Assistant Professor of Surgery
Neurosurgery
email: muhittin.belirgen@ttuhsc.edu

Usiakimi Igbaseimokumo, M.D.
Associate Professor, Pedi Administration
Pediatric Neurosurgery
email: Usiakimi.Igbaseimokumo@ttuhsc.edu

Jason Felton, M.D.
Assistant Professor of Surgery
Neurosurgery
email: jason.felton@ttuhsc.edu

Geneviéve LaPointe, M.D.
Assistant Professor of Surgery
Neurosurgery
email: genevieve.lapointe@ttuhsc.edu

Laszlo Nagy, M.D.
Assistant Professor of Surgery
Neurosurgery
email: laszlo.nagy@ttuhsc.edu

 

Tres Haynes, MD
Assistant Professor of Surgery
Covenant Acute Care
email: tres.haynes@ttuhsc.edu

Tom Howe, MD
Assistant Professor of Surgery
Covenant Acute Care
email: thomas.howe@ttuhsc.edu

Brian Norkiewicz, MD
Assistant Professor of Surgery
Covenant Acute Care
email: brian.norkiewicz@ttuhsc.edu

Ariel Santos, MD, MPH, FRSCS, FACS
Assistant Professor of Surgery
Chief, Covenant Acute Care
email: ariel.santos@ttuhsc.edu

 

Tonya Brown, NP
Nurse Practitioner
Covenant Hospital
email: 

Michael Garcia, FNP
Nurse Practitioner
Department of Surgery
Trauma/General Surgery
email: michael.garcia3@umchealthsystem.com

Jenna Kesey, MSN, RN, FNP-BC, CWS
Nurse Practitioner
Department of Surgery
Trauma/General Surgery
email: jennifer.kesey@umchealthsystem.com

Jessica Leist PA-C
Physician Assistant
Department of Surgery
Trauma/General Surgery
email: jessica.leist@umchealthsystem.com

Shirley McReynolds, FNP
Nurse Practitioner
Department of Surgery
Trauma/General Surgery
email: shirley.mcreynolds@ttuhsc.edu

Lindsey Turner Mireles, FNP
Family Nurse Practitioner
Department of Surgery
email: lindsey.mireles@umchealthsystem.com

Mandie Moore, FNP
Family Nurse Practitioner
Department of Surgery
Bariatrics
email:

Christina Wynns, ACNP-BC
Family Nurse Practitioner
Department of Surgery
email: christina.wynns@umchealthsystem.com

 

Mark Williams, M.D.
Program Director
mail: mark.williams@ttuhsc.edu

Huan Vu, M.D.
Assistant Program Director
email: huan.n.vu@ttuhsc.edu

Sam Campbell, M.D.
Clerkship Director
Director of Didactic Residency Curriculum
email: samuel.campbell@ttuhsc.edu

Dixon Santana, M.D.
Clinical Competency Committee and Director
Director of Surgical Simulation Laboratory
email: dixon.santana@ttuhsc.edu

Amir H. Aryaie, M.D.
Assistant Program Director for Laparoscopic, Endoscopic and Robotic Skills Curriculum
email: amir.aryaie@ttuhsc.edu

Robyn Richmond, M.D.
Assistant Program Director for Wellness and Global Surgery
mail: robyn.richmond@ttuhsc.edu