Meet our future clinicians, educators and researchers.


Dr. Sogol Amjadi

Sogol Amjadi, DO

Medical School: Touro University, NV
Residency: Bingham Memorial Hospital, ID
Biography: Dr. Amjadi received her undergraduate degree from UCLA followed by a master’s degree in Biomedical Engineering from University of Southern California. Before joining the UW, she practiced as a hospitalist. Outside of work, she enjoys traveling, visiting the national parks, hiking, learning about different cultures, cuisines, and spending time with family, friends and her dog Micro.

Dr. Trent Dondero

Trent Dondero, MD

Medical School: University of California, San Francisco
Residency: University of California, Davis
Biography: Dr. Dondero grew up in Santa Rosa California. He attended medical school at UCSF, and completed his residency and chief resident year at UC Davis. His career interests include medical education, clinical medicine, and clinical research. In his free time, he enjoys movies, running, music, and eating as many kinds of food as possible. 

Dr. Mary Ezeanuna

Mary Ezeanuna, DO

Medical School: Lincoln Memorial University-Debusk College of Osteopathic Medicine
Residency: Skagit Valley Hospital, Mount Vernon, WA
Biography: Dr. Ezeanuna was born in Macon GA, grew up in Nigeria, and moved back to the United States at the age of 13 to continue her education in California. While completing her undergraduate degree at UCLA (University of California Los Angeles). She worked as a certified nursing assistant in various hospitals in the Los Angeles area. After graduating, she had the opportunity to work as a research associate in bio-pharmaceutical companies in California and Ohio prior to medical school at Lincoln Memorial University-Debusk College of Osteopathic Medicine. She completed internal medicine residency at Skagit Regional Medical Center in Washington state. In her spare time, she loves to cook and experiment with recipes. When not cooking she likes to participate in indoor cycling and spend time with family. 

Headshot of Irvin Huang

Irvin Huang, DO

Medical School: AT Still University School of Osteopathic Medicine, AZ
Residency: University of Washington - Boise, ID
Pathway: Clinician
Biography: Dr. Huang grew up in Sacramento, California. He graduated from the University of California, Davis with a Bachelor of Science degree in Biological Sciences. He attended medical school at AT Still University in Arizona, but completed his clinical clerkships in Portland, OR. He completed his Internal Medicine training at the University of Washington - Boise Internal Medicine Residency in Idaho. He is excited to move to Seattle for his fellowship training in Rheumatology. He is interested in clinical rheumatology, quality improvement, and medical education. Dr. Huang's hobbies include spending time with family, trying new foods, traveling, and photography.

Bryanna Mantilla

Bryanna Mantilla, MD, PhD, MPH

Medical School: University of Illinois at Urbana-Champaign
Residency: George Washington University
Biography: Dr. Mantilla grew up in Wheaton, Maryland. She conducted illness narratives with farmworkers in North Carolina and Tennessee and studied traditional medicine and autonomous healthcare delivery in Chiapas, Mexico during her undergraduate studies at Goddard College. She completed an MPH at Nova Southeastern University and went on to receive her MD and PhD at the University of Illinois at Urbana-Champaign. Her dissertation research examined “undocumentedness” as a major social determinant of health. She completed residency at George Washington University in Washington DC. Her major research interests center around health equity, immigrant health and disparities in rheumatologic conditions. Outside of medicine, she enjoys spending time with her dog, playing board or video games, kayaking and gardening. 

Headshot of Despoina Michailidou

Despoina Michailidou, MD, PhD

Medical School: National and Kapodistrian University of Athens, Greece
Residency: Yale New Haven Health/Bridgeport Hospital, CT
Pathway: Physician Scientist
Biography: Dr. Michailidou earned her MD from the National and Kapodistrian University of Athens in Greece. She received her Ph.D. degree from the Johann Wolfgang Goethe University of Frankfurt in Germany. During her doctoral thesis, she focused upon research on interaction between Rac1 GTPase molecules and VEGFR-2 expression in human endothelial cells. She completed her residency in Internal Medicine at Yale New Heaven Health in CT. Consequently, she conducted clinical research at the NIAMS/NIH under the mentorship of Dr. Peter Grayson studying whether specific vascular symptoms are associated with certain angiographic abnormalities in large vessel vasculitis. She now pursues a rheumatology fellowship at the University of Washington and is interested in translational research and clinical application in vasculitis

Rayan Najjar, MD, MS

Rayan Najjar, M.B.Ch.B., M.P.H.

Medical School: University of Baghdad, Iraq
Residency: Capital Health, NJ
Biography: Dr. Najjar grew up in Baghdad, Iraq and studied medicine at the University of Baghdad. He moved to the United States on a Fulbright scholarship to complete a master degree in public health with a concentration in epidemiology at the University of Kentucky. Before residency, he worked in clinical research at Washington University in St Louis. His research focuses epidemiological clinical research including pharmacoepidemiology. In his free time, he enjoys hiking, star gazing and long-exposure photography.

Charles, Oshinskey, MD

Charles Oshinsky, MD

Medical School: NYU School of Medicine
Residency: University of Chicago, IL
Biography: Dr. Charlie Oshinsky grew up in Washington, D.C. He studied health and society at the University of Pennsylvania, attended medical school at NYU School of Medicine, and completed Internal Medicine residency at the University of Chicago. He is interested in clinical medicine and clinical research, and has researched aspects of lupus, rheumatoid arthritis, and osteoarthritis. Outside of medicine, He likes to spend time outside, hiking and skiing.

Headshot of Michael Richter

Michael Richter , MD, MS

Medical School: Mount Sinai Medical School
Residency: Mayo Clinic
Pathway: Physician Scientist
Biography: Dr. Michael Richter grew up in Seattle and graduated with a degree in physics and history from Macalester College. After completing a master's degree in bioengineering at UC San Diego he obtained his MD from Mount Sinai in New York City. As a resident at Mayo Clinic he published several clinical studies focusing on rheumatoid arthritis, polymyalgia rheumatica, and the autoimmune complications of cancer immunotherapy. Outside of medicine, his hobbies include classical piano, yoga, and traveling. 

Julianna Sabo, MD

Juliana Sabo, MD

Medical School: Ruth and Bruce Rappaport Faculty of Medicine, Technion Israel Institute of Technology, Israel
Residency: Mount Sinai St. Luke's-West, NY
Biography: Dr. Sabo grew up in Los Angeles, CA and is excited to return to her home coast to join the University of Washington as a Rheumatology fellow. Her career interests include medical education, musculoskeletal ultrasound and clinical research. During her free time, she enjoys cooking/baking, staying active with yoga and hiking and traveling the world.

Headshot of Dr. Kennedy Ukadike

Kennedy Ukadike, MD, MS

Senior Fellow
Medical School: Ross University School of Medicine, Dominica
Residency: Internal Medicine, Englewood Hospital & Medical Center, NJ
Pathway: Physician Scientist
Biography: Dr. Ukadike is originally from Imo, Nigeria but lived a significant part of his life in Ventura County and Los Angeles County, California. He earned his MS degree in Biotechnology & Bioinformatics at California State University Channel Islands and worked for several years as a Research Associate in both academia and biotechnology industry before going to medical school. He attended medical school at Ross University School of Medicine and completed residency in Internal Medicine at Englewood Hospital & Medical Center before coming to University of Washington for fellowship in Rheumatology. He is interested in translational research with a focus on the upstream molecular mechanisms of autoimmunity in lupus, vasculitis, and rheumatoid arthritis that can be targeted for drug discovery and personalized medicine. Some of his hobbies include sewing & alterations, table tennis, and soccer.