Administration
Chairman, David Paushter
Executive Assistant, Thelma Wright, 773-702-5164
Vice Chairman, Clinical Operations, Greg Katzman, 773-702-5927
Executive Administrator, Mary Bobel, 773-702,5309
Director, Radiology, Monica Geyer, 773-834-3593
Assistant Director, Academic Affairs and HR, Anne Colgan, 773-702-5906
Assistant Director, Finance, Valencia Franklin, 773-795-5955
Assistant Director, Hospital Operations and Radiology Engineering, Paul Mosebach, 773-834-4721
Assistant Director, Specialty Imaging, Daniel Kwak, 773-702-5167
Assistant Director, Radiology Informatics, Interim, George Augustyn, 773-702-1704
Assistant Care Center Director, Nursing, Department of Radiology / Perioperative Services, Renee Pucik-Maisura, 773-702-3494
Manager, Billing, Judi Schauer, 773-702-2027
Manager, CT, Kris Johnson, 773-702-5724
Manager, General Procedures and Mammography, Florence Baker-Mallory, 773-702-8105
Manager, Film Library, Gary Cunningham, 773-834-2849
Manager, General Procedures Adult Inpatient and Pediatrics, Reva Jackson-McGrew, 773-834-5803
Manager, MRI, Brian Tymkiw, 773-834-2866
Manager, Nuclear Medicine and PET, Alberto Jimenez, 773-834-2297
Manager, Patient Access, Rosalie Hughes, 773-702-3151
Manager, Pediatric Sedation, Jamie Harrison, 773-834-3240
Manager, Ultrasound, Pennie Stivan, 773-834-3443
Manager, Vascular/Interventional, Stewart Thomas, 773-834-5807
Grant and Contract Administrator, Gloria Frazier, 773-702-6728
Grant and Contract Administrator, Joann Summers, 773-702-6272
Financial Administrator, Open, 773-834-8719
Radiology Residency Program
Director, Seng Ong, MD
Associate Director, Steven M. Zangan, MD
Assistant Director, David Schacht, MD
Residency Program Coordinator, Mandy Velligan, 773-702-3550
Radiology Fellowship Program
Abdominal Imaging Director, Abraham Dachman, MD
Breast Imaging Director, Charlene Sennett, MD
Interventional Radiology Director, Rakesh Navuluri, MD
Musculoskeletal Director, Larry B. Dixon, MD
Neuroradiology Director, Colin S. Poon, MD, PhD, FRCPC
Fellowship Program Coordinator, Patricia Reyes, 773-834-9980
Medical Student Education
Director, Christopher Straus, MD
Medical Student Coordinator, Patricia Reyes, 773-834-9980
Graduate Program in Medical Physics
Director, Maryellen L. Giger, PhD
Graduate Program in Medical Physics Coordinator, 773-834-7769
Human Imaging Research Office
Faculty Director: Samuel G. Armato III, PhD
Faculty Co-Director: Heber MacMahon, MD
Technical Director: Nick Gruszauskas, Ph.D.
Research Coordinator & Data Manager: Michael D. Torno, D.Sc.
Research Imaging Coordinator: Faustino Santiago
Image Distribution Specialist: Jonathan Marino
Director of the Imaging Research Institute & Vice-Chair of Radiology for Basic Science Research: Maryellen L. Giger, PhD