Current Residents

Picture of John Kim, MD

John Kim, MD

Resident IR-5

Dr. John Kim (R5-IR) was born in Chicago and lived in Milwaukee for several years, although he is originally from Las Vegas, Nevada. He went to undergrad and medical school at the University of Nevada, Reno through a seven year medical program. He traveled to Spokane, Washington for his transitional year (one of the best years of his life) which is also the same year he got married to his wife, Coco. Dr. Kim is a car enthusiast and aspires to become the world's first interventional F1 radiology driver. His other hobbies include computer gaming, spending time with his wife and two mixed Australian cattle dogs, shopping through every aisle at Costco, and snowboarding.
Picture of Ryan Sofka, MD

Ryan Sofka, MD

Resident IR-4

Ryan was born and raised in Orange County, California and attended University of California - Irvine. After he received his undergraduate degree, he attended the University of Vermont College of Medicine. Following medical school, Ryan spent a year as a medicine intern at the University of Florida in Gainesville, FL. In his free time, he enjoys exploring Madison with his wife, trying new restaurants and bars with his resident class, Liverpool FC, Los Angeles sports teams, and finally ending the attending championship dynasty in fantasy football.
Picture of Elliot Russell, MD

Elliot Russell, MD

Resident IR-2

Elliott was born and raised in Ames, Iowa. He left home to study bioengineering at Syracuse University for undergrad. Having had enough of life outside of the Midwest, he returned to Chicago to attend medical school at Northwestern University, and stayed in Chicago to complete a prelim surgery year at St. Joseph Hospital. He dabbles a little in a lot and is down to try almost anything new. Established interests include any outside activity in any weather (including soccer, basketball, spikeball, hiking, boating, snow skiing, etc), playing board games, and cooking. As proud fur-parents of our cat, Maeby, Elliott and Libby hope to grow their fur-family with a dog after leaving the big city.
Picture of Erik Winterholler, MD

Erik Winterholler, MD

Resident IR-1

Erik Winterholler, MD is from Salt Lake City Utah, but lived in the Midwest for parts of his childhood. He was happy to come back for medical school and now residency. In medical school, he realized he wanted to go into radiology, specifically Interventional Radiology, because of his previous work experience that interfaced heavily with IR. His professional interests includes informatics and health policy. He hopes to be involved in medical device development in his career. In his free time, Dr. Winterholler loves the outdoors and touring the state parks in Wisconsin and surrounding states. His hobbies include music, both appreciation and playing (he played guitar in a rock band for 4 years in college), powerlifting, snowboarding, skiing, hiking and cycling, and coffee brewing and tasting.


Picture of Brad White, DO

Brad White, DO

Resident IR-5

Bradley White, DO was born and raised in Fort Myers, Florida. He completed his undergraduate studies at Georgetown University in Washington, DC, where he played defensive end for the Hoyas football team. He graduated from Georgetown with honors and distinction in Human Biology for his research dissertation on skeletal muscle stem cell regeneration. He returned to Florida and attended the University of South Florida, Tampa where he obtained a second bachelor’s degree in nursing on a full scholarship. Dr. White co-founded a 501(c)(3) nonprofit organization, Always Healthcare, which is focused on helping underserved populations to receive basic vital healthcare services. He then went on to graduate medical school from Lake Erie College of Osteopathic Medicine in Bradenton, Florida. Dr. White then completed his internship and diagnostic radiology residency at NOVA Southeastern University in Miami, Florida where he was awarded Intern of the Year and was chief resident. Dr. White has served as the President of the Florida Radiological Society RFS and Chair of the SIR RFS Clinical Education Committee. His hobbies include scuba diving, traveling with his wife and daughter, and dressing up his wiener dog, Marley.

Incoming Residents Summer 2022