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Meet Our Residents

Arizona Neurology Residency Program residents and faculty, 2025
Adult Neurology Residency in Arizona 2025 residents.

Our residents come from medical schools around the U.S. and outside the country. Learn about their background, interests, and some of their favorite places and activities in Arizona!

Class of 2026

Headshot of Abdirahim Aden, M.B., Ch.B.

Abdirahim Aden, M.B., Ch.B.

Undergraduate: Mbarara University of Science and Technology, Uganda

Medical school: School of Medicine, University of Nairobi, Kenya

Clinical interests: Vascular neurology, clinical neurophysiology, anything neurodiagnostic

Interests outside of medicine: Playing Ludo, playing soccer, and watching soccer.

Favorite activity in Arizona: Spending time with my family and visiting family parks.

Favorite restaurant in Arizona: Homemade food by my spouse is my preference but on out enjoy Halal Mediterranean/African cuisine.

Headshot of Eun Hye Lee, M.D.

Eun Hye Lee, M.D.

Undergraduate school: UC Berkeley

Medical school: University of Arizona College of Medicine - Tucson

Clinical interests: Neurohospitalist

Interests outside of medicine: Spending the time with my husband, cats, and my parents, and painting, and gardening.

Favorite activity in Arizona: Indoor activities.

Favorite restaurant in Arizona: Kodo Sushi

Headshot of Collin Sanderson, M.D.

Collin Sanderson, M.D.

Undergraduate: Brigham Young University

Medical school: University of Texas Southwestern

Clinical interests: Headache medicine

Interests outside of medicine: Playing and performing music with my very talented wife, writing, and publishing my own electronic music.

Favorite activity in Arizona: Ice cream shop hopping

Favorite restaurant in Arizona: Snooze AM Eatery

Headshot of Sean Watson, M.D.

Sean Watson, M.D.

Undergraduate school: University of California, Los Angeles

Medical school: Geisinger Commonwealth School of Medicine

Clinical interests: Neurocritical care, TBI, headache

Interests outside of medicine: Writing, lifting weights, and playing with my wonderful daughters.

Favorite activity in Arizona: Lifting heavy things and eating.

Favorite restaurant in Arizona: Manna BBQ (all you can eat KBBQ)

Headshot of Onilia Zorio, D.O.

Onilia Zorio, D.O.

Undergraduate school: University of Colorado, Boulder

Medical school: Rocky Vista University of Osteopathic Medicine

Clinical interests: Neuro-Infectious Disease, neuroimmunology, neuro-oncology

Interests outside of medicine: Spending time with family and friends, my dog Louie the Great Pyrenees, True Crime, Pilates and barre classes, anything and everything outer space, and reading (especially mystery/thriller genre).

Favorite activity in Arizona: Happy hours

Favorite restaurant in Arizona: Dominick’s Steakhouse

Class of 2027

Headshot of Elisabeth Black, M.D.

Elisabeth Black, M.D. 

Undergraduate school: Brigham Young University 

Medical school: Georgetown University School of Medicine

Clinical interests: General Neurology

Interests outside of medicine: Skiing, water skiing, and hiking.

Favorite activity in Arizona: Hiking

Favorite restaurant in Arizona: Etta

 

Headshot of Khaled Dweik, M.D.

Khaled Dweik, M.D.

Medical school: Jordan University of Science and Technology  

Clinical interests: Vascular neurology, Neuro-Immunology, neuro-oncology

Interests outside of medicine: I value time enjoyed with friends-no matter the context, late night walks and drives, volleyball, board games, and video games.

Favorite activity in Arizona: Long scenic drives with good music.  

Favorite restaurant in Arizona: North Italia

Headshot of Jacob Farris, M.D.

Jacob Farris, M.D.

Undergraduate school: University of Illinois Urbana-Champaign 

Medical school: Southern Illinois University School of Medicine

Clinical interests: Epilepsy, neuroimmunology

Interests outside of medicine: Playing piano, board games, cooking, and hanging out with my cats .

Favorite activity in Arizona: Visiting the state parks.

Favorite restaurant in Arizona: Citizen Public House

Headshot of Joshua Ransick, M.D.

Joshua Ransick, M.D.

Undergraduate school: University of Kentucky  

Medical school: University of Louisville School of Medicine    

Clinical interests: Neuromuscular, headache

Interests outside of medicine: Playing bass guitar as well as watching Formula 1 and hockey .

Favorite activity in Arizona: Hiking

Favorite restaurant in Arizona: De Babel   

Headshot of Emma Sherfinski, M.D.

Emma Sherfinski, M.D.

Undergraduate school: West Virginia University  

Medical school: Marshall University Joan C. Edwards School of Medicine   

Clinical interests: Mentorship, education, movement disorders   

Interests outside of medicine: Ballet, enjoying the outdoors, cooking and coffee.

Favorite activity in Arizona: Exploring all the amazing national and state parks.

Favorite restaurant in Arizona: Ollie Vaughns   

Class of 2028

Headshot of Patherica Charoenmins, D.O.

Patherica Charoenmins, D.O. 

Undergraduate: Arizona State University

Medical school: Kansas City University

Clinical interests: Movement disorders, neuro-autoimmune, epilepsy

Interests outside of medicine: Cooking, yoga/Pilates, and nature walks.

Favorite activity in Arizona: Mini golf!

Favorite restaurant in Arizona: The Mission

 

Headshot of Billy Evans, M.D.

Billy Evans, M.D.

Undergraduate: Northern Arizona University

Medical school: University of Arizona College of Medicine - Tucson

Clinical interests: General neurology, epilepsy, sleep medicine

Interests outside of medicine: Board games, music/concerts, reading, and outdoor activities/exercise.

Favorite activity in Arizona: Arizona is a very beautiful state (despite the three summer months when the temperature is actively trying to cook us), so activities like hiking during sunrise and playing pickleball outside in the cooler weather are my favorite ways to enjoy Arizona!

Favorite restaurant in Arizona: Kura Revolving Sushi Bar – It’s a homely feel with a bunch of delicious sushi, plus adorable robots that bring you your drinks!

Headshot of Blaine Traylor, M.D.

Blaine Traylor, M.D.

Undergraduate: Millikin University, Decatur IL

Medical school: Southern Illinois University School of Medicine

Clinical interests: Neuroimmunology, epilepsy

Interests outside of medicine: 3D Printing and video games.

Favorite activity in Arizona: Spending time outside with my lovely wife, Erin, and our newborn son, Teddy.

Favorite restaurant in Arizona: Citizen Public House in Scottsdale

Headshot of Patherica Charoenmins, D.O.

Una Hadziahmetovic, D.O., M.P.H.

Undergraduate: Arizona State University

Medical school: Midwestern University, Arizona College of Osteopathic Medicine

Clinical interests: Vascular neurology, neurohospitalist, epilepsy

Interests outside of medicine: Spending time with family and friends, Peloton cycling classes, reading, and cooking.

Favorite activity in Arizona: Trying out new restaurants and going to weekend farmers markets.

Favorite restaurant in Arizona: OHSO

Headshot of Sam Olum, M.B., Ch.B.

Sam Olum, M.B., Ch.B.

Undergraduate: Gulu University

Medical school: Gulu University

Clinical interests: Stroke, Epilepsy, EMG 

Interests outside of medicine: Running and listening to music.

Favorite activity in Arizona: Hiking

Favorite restaurant in Arizona: Chick-fil-A

 

Arizona Neurology Residency Program residents and faculty, 2025
Adult Neurology Residency in Arizona 2025 residents making time for a little fun!