SRU Executive Board

President

Mark E. Lockhart, MD, MPH, FSRU

University of Alabama at Birmingham
Birmingham, AL

Mark Lockhart, MD, MPH, FSRU graduated from the University of Mississippi with a B.A. in Chemistry in 1991, moved to Emory University for medical school, then completed his diagnostic radiology residency and abdominal imaging fellowship at the University of Alabama at Birmingham. He obtained a MPH in outcomes research to improve his research skills in 2002. As a member of the abdominal imaging faculty, he developed research interests in ultrasound and MRI. He has served in many different roles within the department of radiology, including chief of the abdominal imaging section from 2012-2021, current chief of GU Imaging, and current chair of the departmental promotions committee. Within the University of Alabama at Birmingham, Dr. Lockhart has been an active member of the UAB faculty senate, and served as Chair of the Faculty in 2009-2010. Nationally, he has been a proctor of the national radiology boards, a member of the ABR ultrasound certifying committee, member of the ACR Commission on Ultrasound, and currently serves as Chair of the ACR Appropriateness Committee. In his clinical service and research, he has focused on vascular ultrasound, contrast-enhanced ultrasound, genitourinary and pelvic imaging.

President-Elect

Helena Gabriel MD, FACR, FSRU

Northwestern University Evanston, IL

Helena Gabriel MD, FACR, FSRU, is a Professor of Radiology at Northwestern University and serves as medical director of the Division of Ultrasound, and long-time founding medical director for the School of Ultrasound at Northwestern Medicine. Dr. Gabriel graduated from the Honors Program in Medical Education at Northwestern University and completed her radiology residency at Northwestern followed by a fellowship at the University of Michigan in body and breast imaging. Returning to Northwestern, she has served numerous roles in the department over the years with a concentration in ultrasound, women’s imaging, and MRI. She has been the recipient of departmental teaching awards and has been active in numerous hospital and university committees. Nationally, she has been an oral board examiner for several years and has been active with the ACR Ultrasound Practice Parameters and Technical Standards Committee, now serving as Vice-Chairman. Dr. Gabriel also serves on the LI-RADS HCC surveillance committee, LIRADS reporting working group, LI-RADS congestive hepatopathy working group, and the US panel for Radiographics. She has been active with the SRU, serving on the program committee, chairing “case of the day”, lecturing frequently at annual meetings, and contributing as an associate editor for Ultrasound Quarterly.

Treasurer

Anne Kennedy, MBChB, BAO, FSRU

University of Utah
Salt Lake City, UT

Dr Kennedy is a Professor of Radiology and Imaging Sciences at University of Utah Health. She attended medical school at the University of Dublin, Trinity College, completed Internal Medicine and Radiology residencies in the United Kingdom and joined the University of Utah as a Radiology fellow in 1992. She has had many leadership roles, including Vice Chair of Clinical Operations from 2008 to 2018. She is now the Modality Director of Ultrasound with her research efforts and clinical passion centered on prenatal diagnosis and imaging of placenta accreta spectrum. She has co-authored several textbooks on the topics of breast imaging, ultrasound, and obstetric imaging.   She has mentored numerous medical students as they apply for residency and is delighted that several resident and fellow mentees have embarked upon successful academic careers.

Secretary

Jason M. Wagner, M.D., FSRU

University of Oklahoma College of Medicine
Oklahoma City, OK

Dr. Wagner is a Professor and Vice Chair of the Department of Radiological Sciences at the University of Oklahoma.  Dr. Wagner completed medical school at the University of Missouri – Columbia and internal medicine internship at St. Mary’s Hospital in St. Louis.  Following residency training at Washington University in St. Louis, he served on active duty in the U.S. Air Force as the officer-in-charge of radiology at Tinker Air Force Base, Oklahoma.  Dr. Wagner subsequently completed a fellowship in abdominal imaging at University of Wisconsin – Madison and then returned to Oklahoma City to join the University of Oklahoma faculty in 2010. 

At the University of Oklahoma, Dr. Wagner served as the Chief of Ultrasound 2011 – 2021. His clinical interests include advanced head and neck ultrasound, image-guided biopsy, and imaging informatics. Prior to joining the executive board of the SRU, Dr. Wagner served on the SRU program committee and was chair of the program committee 2022-2023.  He also serves as chair of the core exam Ultrasound Specialty Committee for the American Board of Radiology. At the University of Oklahoma, Dr. Wagner directs ultrasound education for pre-clinical medical students and has received multiple teaching awards from medical students and radiology residents. Additionally, he is the medical director for the University of Oklahoma sonographer training program and takes an active role in sonographer education.

Past-President

Nirvikar Dahiya, MD, FSRU, FACR, FAIUM

Mayo Clinic Phoenix, AZ

Nirvikar (Nirvi) Dahiya, MD, FACR, FSRU, FAIUM is a Professor of Radiology at Mayo Clinic Arizona, and
Mayo Clinic Enterprise Chair for Ultrasound Subspeciality. Prior to joining Mayo Clinic in 2013, Dr. Dahiya
was an Assistant Professor of Radiology at Mallinckrodt Institute of Radiology (MIR), St. Louis, MO where
he was also the Director of Ultrasound. He is currently the Chair of the ACR Committee on Practice
Parameters – Ultrasound. He is an active member of the Economics Committee – Ultrasound,
Parameters and Standards Committee, and Ultrasound Accreditation Committee of the ACR. In
collaboration with LI-RADS Steering Committee of ACR, Dr. Dahiya is part of the Ultrasound LI-RADS
workgroup. Dr. Dahiya has consistently maintained volunteer roles at the American Board of Radiology,
initially as the exam writer for the certifying exam and later as the Chair of the Online Longitudinal
Assessment (OLA) Ultrasound Committee as Part of the ABR’s Maintenance of Certification (MOC)
process. Prior to serving on the Board of the SRU, he was the Chair of the SRU Program Committee. He
has received 2 “Teacher of the Year” awards at Mayo Clinic and has also received the “Honored
Educator Award” from RSNA. He is a frequent lecturer at the SRU, RSNA, AIUM and ARRS as well as
multiple international CME courses. In his subspeciality ultrasound practice, he has focused on
musculoskeletal ultrasound, contrast enhanced ultrasound and vascular and transplant imaging.