Faculty

Program Leadership

Brian Helmly, MD – Program Director

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer School of Medicine, 2008
• Residency: Memorial Health University Medical Center, 2013
• Fellowship: Cross-Sectional Imaging, Mayo Clinic-Jacksonville, 2014

Dr. Helmly joined faculty at Memorial in 2014. He has served as program director since 2015. Dr. Helmly served as Chief Resident and Administrative Chief Resident. His areas of interest include resident education, complex body imaging, body/chest intervention and cardiac imaging.

Dhruv Patel, MD – Assistant Program Director

Section Chief, Nuclear Medicine

Assistant Professor, Mercer University School of Medicine

• Medical School: Ross University School of Medicine, 2012
• Residency: Memorial Health University Medical Center, 2017
• Fellowship: Neuroradiology, Medical University of South Carolina, 2018

Dr. Patel joined faculty at Memorial in July 2018. He focuses on resident education with clinical interests in stroke imaging, Head and Neck and pediatric neuroradiology. Outside of radiology, he enjoys traveling, astronomy, cooking and gardening.

Breast Imaging

Sergio Dromi, MD

Fellowship Director, Breast Imaging

Director, Breast Imaging Department

Assistant Professor, Mercer University School of Medicine

• Medical School: Favaloro University (Buenos Aires, Argentina), 2003
• Residency: Georgetown University, 2013
• Fellowship: Woman’s Imaging, Georgetown University, 2014

Dr. Dromi joined faculty in 2018. He played a major role in developing the Breast Imaging Fellowship at Memorial and currently serves as the Fellowship Director. Prior to joining Memorial, Dr. Dromi was the Fellowship Director at the University Of Maryland School Of Medicine. Dr. Dromi’s interests include medical education, all things Breast Imaging related, and quality improvement. He is a master of the Argentinean barbecue and is passionate about fast cars and motorcycles. He was voted “Attending of the Year” by the residents for the 2018-2019 academic year.

Jason Snyder, MD

Faculty

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer University School of Medicine, 1999
• Residency: Baptist Health (Birmingham, AL), 2004
• Fellowship: Breast Imaging, Medical University of South Carolina, 2013

Dr. Snyder joined faculty at Memorial in 2013. He covers mammography at Hilton Head Hospital and general diagnostic radiology at Memorial.

Neuroradiology

Andreas Schilling, MD

Faculty

Assistant Professor, Mercer University School of Medicine

• Medical School: Medical University of South Carolina, 1999
• Residency: Medical University of South Carolina, 2004
• Fellowship: Neuroradiology, Barrow Neuroradiology Institute, 2018

Dr. Schilling joined faculty at Memorial in 2006 after completing a fellowship at the Barrow Institute. His areas of interest include vascular lesions, spine imaging, tumor imaging and head/neck imaging. He enjoys traveling and exploring new places.

Peter Britt, MD

Director of Neuroradiology

Assistant Professor, Mercer University School of Medicine

• Medical School: The University of Cincinnati, 1993
• Residency: Methodist Hospital (Indianapolis, IN), 1997
• Fellowship Barrow Neuroradiology Institute, 1999

Dr. Britt, a native of Ohio, joined faculty at Memorial in 2005. He currently serves as section chief of MRI. His interests include stroke, neurointervention, tumor ablation and cardiac imaging. Dr. Britt is a member of the stroke team and regularly performs mechanical thrombectomies.

Richard Allen, MD

Faculty

Assistant Professor, Mercer University School of Medicine

• Medical School: University of Cincinnati College of Medicine, 1990
• Residency: Geisinger Medical Center, 1994
• Fellowship: Neuroradiology, University of Michigan Medical Center, 1996

Dr. Allen joined faculty at Memorial in 2013. He covers interventional radiology at Hilton Head Hospital and general radiology at Memorial.

Musculoskeletal Radiology

Matthew Dixon, DO

Director, Musculoskeletal Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Des Moines University-Osteopathic Medical Center, 2000
• Residency: Eastern Virginia Medical School, 2005
• Fellowship: Musculoskeletal Imaging, University of Florida, 2006

Dr. Dixon joined faculty at Memorial in 2006. He served as the residency program director from 2012-2015 and assistant program director from 2006-2012. His areas of interest include resident education, musculoskeletal imaging, mammography and cardiac imaging including cardiac CTA and MRI. He is a member of the Society of Skeletal Radiology and is actively involved in the Georgia Radiological society. He is avid sports fan and is particularly fond of the Florida Gators.

Brandon Runyan, MD

Faculty

Assistant Professor, Mercer University School of Medicine

• Medical School: Medical University of South Carolina, 2004
• Residency: Mayo Clinic-Jacksonville, 2009
• Fellowship: Musculoskeletal Imaging and Intervention, University of Wisconsin, 2010

Dr. Runyan graduated from Medical University of South Carolina in 2004, completed his residency at Mayo Clinic in Jacksonville in 2009 and did an MSK fellowship at the University of Wisconsin in 2010. Following 9 years of clinical practice in central Florida, he joined faculty at Memorial in 2019. His interests include joint imaging, sports medicine, MSK interventions, MSK US and breast radiology. He is a member of the Society of Skeletal Radiology. Family of four, tennis, surfing, Crossfit, and salt water fly fishing keep him busy in his hometown of Bluffton, SC. He maintains an educational twitter account (@runyanbr).

Tyler Burgner, MD

Faculty

• Medical School: Medical College of Georgia, 2014
• Residency: Memorial Health University Medical Center, 2019
• Fellowship: Musculoskeletal Imaging, Mayo Clinic-Jacksonville, 2020

Dr. Burgner, a recent alumnus of this residency, joined the faculty at Memorial in 2020 after completing a fellowship in Musculousketal radiology at the Mayo Clinic in Jacksonville. Dr. Burgner’s primary clinical interest include sports imaging and soft tissues neoplasms.

Pediatric Radiology

Allison Thompson, MD

Director, Pediatric Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer University School of Medicine, 2011
• Residency: Memorial Health University Medical Center, 2015
• Fellowship: Pediatric Imaging, Emory University, 2016

Dr. Thompson was born and raised in Savannah. When not at work she spends much of her time with friends and family. She also enjoys to cook and being out on the boat. She is passionate about pediatric imaging and fetal imaging in particular.

Abdominal Imaging

Peter Romano, MD

Director, Abdominal Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Eastern Virginia Medical School, 2003
• Residency: Medical University of South Carolina, 2008
• Fellowship: Body Imaging, Medical University of South Carolina, 2009

Dr. Romano joined faculty at Memorial in 2009 after completing a fellowship in Body Imaging at MUSC. Dr. Romano’s primary clinical interest is complex body imaging.

Michael Jones, MD

Faculty, Body Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Jefferson Medical College, 2006
• Residency: University of Pittsburgh Medical Center, 2011
• Fellowship: Body Imaging, University of Pittsburgh Medical Center, 2012

Dr. Jones joined faculty at Memorial in 2019. Dr. Jones’ primary clinical interests include complex body imaging and ultrasound. Dr. Jones was voted the “Attending of the Year” by the residents for the 2019-2020 academic year.

Adam Brown, MD

Faculty, Body Imaging

• Medical School: Mercer University School of Medicine, 2010
• Residency: Memorial Health University Medical Center, 2019
• Fellowship: Body Imaging, Mayo Clinic-Jacksonville, 2020

Dr. Brown joined faculty at Memorial in 2020 after completing a Body Imaging fellowship at the Mayo Clinic in Jacksonville. Dr. Brown was the chief resident at Memorial during the 2018-2019 academic year. His clinical interests include complex body imaging/intervention, oncologic treatment (including lung, liver and renal tumor ablations), and emergency radiology.

General Radiology

William Gordon Greene, MD

Director, Cardiothoracic Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer University School of Medicine, 1998
• Residency: Memorial Health University Medical Center, 2003

Dr. Greene joined faculty at Memorial in 2007. His areas of interest include chest imaging and trauma/emergency imaging.

Christopher Hulsey, MD

Section Chief, Ultrasound Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer University School of Medicine, 2000
• Residency: Memorial Health University Medical Center, 2005

Dr. Hulsey joined faculty at Memorial in 2005 and currently serves as the residency research director. Dr. Hulsey’s clinical interests include ultrasound and emergency radiology. Dr. Hulsey is responsible for “Boat Physics”, an annual boat-trip and party that is contingent upon the residents meeting their research expectations.

Vascular and Interventional Radiology

Kristin Nelson, MD

Director, Interventional Radiology & ESIR

• Medical School: Ohio State University College of Medicine
• Residency: Ohio State University Hospitals
• Fellowship: Interventional Radiology, Medical University of South Carolina

Dr. Nelson received her undergraduate degree from Ohio State University and completed medical school at Ohio State University College of Medicine. Dr. Nelson completed her radiology residency at Ohio State University Hospitals and her interventional radiology fellowship at the Medical University of South Carolina.

Ryan O’Kelley, DO

Faculty, Interventional Radiology

• Medical School: De Moines University School of Osteopathic Medicine
• Residency: Louis University School of Medicine
• Fellowship: Vascular and Interventional Radiology, University of Illinois College of Medicine at Peoria

Dr. O’Kelley’s clinical interests include endovascular aortic repair, carotid and stroke intervention, pain intervention, and peripheral vascular disease intervention. Dr. O’Kelley is a member of the Society of Interventional Radiology, American College of Radiology, American College of Surgeons, American Medical Association, American Osteopathic Association, as well as an active member of the Aircraft Owners and Pilots Association.

Larry Horesh, MD

Faculty, Interventional Radiology

• Medical School: Ohio State University College of Medicine
• Residency: Ohio State University Hospitals
• Fellowship: Interventional Radiology, Medical University of South Carolina

Dr. Horesh is a graduate of Yale University Medical School. He completed his internship and two years of training in general surgery at Washington University. He then completed his radiology residency at St. Louis University in Missouri and his interventional radiology fellowship at the University of Alabama. Dr. Horesh is a member of the Society of Interventional Radiology.

Program Leadership

Dhruv Patel, MD – Program Director

Section Chief, Nuclear Medicine

Assistant Professor, Mercer University School of Medicine

• Medical School: Ross University School of Medicine, 2012
• Residency: Memorial Health University Medical Center, 2017
• Fellowship: Neuroradiology, Medical University of South Carolina, 2018

Dr. Patel joined faculty at Memorial in July 2018. He focuses on resident education with clinical interests in stroke imaging, Head and Neck and pediatric neuroradiology. Outside of radiology, he enjoys traveling, astronomy, cooking and gardening.

Adam Brown, MD – Associate Program Director

Faculty, Body Imaging

• Medical School: Mercer University School of Medicine, 2010
• Residency: Memorial Health University Medical Center, 2019
• Fellowship: Body Imaging, Mayo Clinic-Jacksonville, 2020

Dr. Brown joined faculty at Memorial in 2020 after completing a Body Imaging fellowship at the Mayo Clinic in Jacksonville. Dr. Brown was the chief resident at Memorial during the 2018-2019 academic year. His clinical interests include complex body imaging/intervention, oncologic treatment (including lung, liver and renal tumor ablations), and emergency radiology.

Breast Imaging

Brian Helmly, MD

Department Chairman

• Medical School: Mercer School of Medicine, 2008
• Residency: Memorial Health University Medical Center, 2013
• Fellowship: Cross-Sectional Imaging, Mayo Clinic-Jacksonville, 2014

Dr. Helmly joined faculty at Memorial in 2014. He served as program director from 2015-2021. Dr. Helmly served as Chief Resident and Administrative Chief Resident. His areas of interest include resident education, complex body imaging, body/chest intervention and cardiac imaging.

Jason Snyder, MD

Faculty

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer University School of Medicine, 1999
• Residency: Baptist Health (Birmingham, AL), 2004
• Fellowship: Breast Imaging, Medical University of South Carolina, 2013

Dr. Snyder joined faculty at Memorial in 2013. He covers mammography at Hilton Head Hospital and general diagnostic radiology at Memorial.

Neuroradiology

Andreas Schilling, MD

Faculty

Assistant Professor, Mercer University School of Medicine

• Medical School: Medical University of South Carolina, 1999
• Residency: Medical University of South Carolina, 2004
• Fellowship: Neuroradiology, Barrow Neuroradiology Institute, 2018

Dr. Schilling joined faculty at Memorial in 2006 after completing a fellowship at the Barrow Institute. His areas of interest include vascular lesions, spine imaging, tumor imaging and head/neck imaging. He enjoys traveling and exploring new places.

Peter Britt, MD

Director of Neuroradiology

Assistant Professor, Mercer University School of Medicine

• Medical School: The University of Cincinnati, 1993
• Residency: Methodist Hospital (Indianapolis, IN), 1997
• Fellowship Barrow Neuroradiology Institute, 1999

Dr. Britt, a native of Ohio, joined faculty at Memorial in 2005. He currently serves as section chief of MRI. His interests include stroke, neurointervention, tumor ablation and cardiac imaging. Dr. Britt is a member of the stroke team and regularly performs mechanical thrombectomies.

Richard Allen, MD

Faculty

Assistant Professor, Mercer University School of Medicine

• Medical School: University of Cincinnati College of Medicine, 1990
• Residency: Geisinger Medical Center, 1994
• Fellowship: Neuroradiology, University of Michigan Medical Center, 1996

Dr. Allen joined faculty at Memorial in 2013. He covers interventional radiology at Hilton Head Hospital and general radiology at Memorial.

Musculoskeletal Radiology

Matthew Dixon, DO

Director, Musculoskeletal Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Des Moines University-Osteopathic Medical Center, 2000
• Residency: Eastern Virginia Medical School, 2005
• Fellowship: Musculoskeletal Imaging, University of Florida, 2006

Dr. Dixon joined faculty at Memorial in 2006. He served as the residency program director from 2012-2015 and assistant program director from 2006-2012. His areas of interest include resident education, musculoskeletal imaging, mammography and cardiac imaging including cardiac CTA and MRI. He is a member of the Society of Skeletal Radiology and is actively involved in the Georgia Radiological society. He is avid sports fan and is particularly fond of the Florida Gators.

Brandon Runyan, MD

Faculty

Assistant Professor, Mercer University School of Medicine

• Medical School: Medical University of South Carolina, 2004
• Residency: Mayo Clinic-Jacksonville, 2009
• Fellowship: Musculoskeletal Imaging and Intervention, University of Wisconsin, 2010

Dr. Runyan graduated from Medical University of South Carolina in 2004, completed his residency at Mayo Clinic in Jacksonville in 2009 and did an MSK fellowship at the University of Wisconsin in 2010. Following 9 years of clinical practice in central Florida, he joined faculty at Memorial in 2019. His interests include joint imaging, sports medicine, MSK interventions, MSK US and breast radiology. He is a member of the Society of Skeletal Radiology. Family of four, tennis, surfing, Crossfit, and salt water fly fishing keep him busy in his hometown of Bluffton, SC. He maintains an educational twitter account (@runyanbr).

Tyler Burgner, MD

Faculty

• Medical School: Medical College of Georgia, 2014
• Residency: Memorial Health University Medical Center, 2019
• Fellowship: Musculoskeletal Imaging, Mayo Clinic-Jacksonville, 2020

Dr. Burgner, a recent alumnus of this residency, joined the faculty at Memorial in 2020 after completing a fellowship in Musculoskeletal radiology at the Mayo Clinic in Jacksonville. Dr. Burgner’s primary clinical interest include sports imaging and soft tissues neoplasms.

Pediatric Radiology

Allison Thompson, MD

Director, Pediatric Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer University School of Medicine, 2011
• Residency: Memorial Health University Medical Center, 2015
• Fellowship: Pediatric Imaging, Emory University, 2016

Dr. Thompson was born and raised in Savannah. When not at work she spends much of her time with friends and family. She also enjoys to cook and being out on the boat. She is passionate about pediatric imaging and fetal imaging in particular.

Abdominal Imaging

Peter Romano, MD

Director, Abdominal Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Eastern Virginia Medical School, 2003
• Residency: Medical University of South Carolina, 2008
• Fellowship: Body Imaging, Medical University of South Carolina, 2009

Dr. Romano joined faculty at Memorial in 2009 after completing a fellowship in Body Imaging at MUSC. Dr. Romano’s primary clinical interest is complex body imaging.

Michael Jones, MD

Faculty, Body Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Jefferson Medical College, 2006
• Residency: University of Pittsburgh Medical Center, 2011
• Fellowship: Body Imaging, University of Pittsburgh Medical Center, 2012

Dr. Jones joined faculty at Memorial in 2019. Dr. Jones’ primary clinical interests include complex body imaging and ultrasound. Dr. Jones was voted the “Attending of the Year” by the residents for the 2019-2020 academic year.

General Radiology

William Gordon Greene, MD

Director, Cardiothoracic Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer University School of Medicine, 1998
• Residency: Memorial Health University Medical Center, 2003

Dr. Greene joined faculty at Memorial in 2007. His areas of interest include chest imaging and trauma/emergency imaging.

Christopher Hulsey, MD

Section Chief, Ultrasound Imaging

Assistant Professor, Mercer University School of Medicine

• Medical School: Mercer University School of Medicine, 2000
• Residency: Memorial Health University Medical Center, 2005

Dr. Hulsey joined faculty at Memorial in 2005 and currently serves as the residency research director. Dr. Hulsey’s clinical interests include ultrasound and emergency radiology. Dr. Hulsey is responsible for “Boat Physics”, an annual boat-trip and party that is contingent upon the residents meeting their research expectations.

Vascular and Interventional Radiology

Kristin Nelson, MD

Director, Interventional Radiology & ESIR

• Medical School: Ohio State University College of Medicine
• Residency: Ohio State University Hospitals
• Fellowship: Interventional Radiology, Medical University of South Carolina

Dr. Nelson received her undergraduate degree from Ohio State University and completed medical school at Ohio State University College of Medicine. Dr. Nelson completed her radiology residency at Ohio State University Hospitals and her interventional radiology fellowship at the Medical University of South Carolina.

Ryan O’Kelley, DO

Faculty, Interventional Radiology

• Medical School: De Moines University School of Osteopathic Medicine
• Residency: Louis University School of Medicine
• Fellowship: Vascular and Interventional Radiology, University of Illinois College of Medicine at Peoria

Dr. O’Kelley’s clinical interests include endovascular aortic repair, carotid and stroke intervention, pain intervention, and peripheral vascular disease intervention. Dr. O’Kelley is a member of the Society of Interventional Radiology, American College of Radiology, American College of Surgeons, American Medical Association, American Osteopathic Association, as well as an active member of the Aircraft Owners and Pilots Association.

Larry Horesh, MD

Faculty, Interventional Radiology

• Medical School: Ohio State University College of Medicine
• Residency: Ohio State University Hospitals
• Fellowship: Interventional Radiology, Medical University of South Carolina

Dr. Horesh is a graduate of Yale University Medical School. He completed his internship and two years of training in general surgery at Washington University. He then completed his radiology residency at St. Louis University in Missouri and his interventional radiology fellowship at the University of Alabama. Dr. Horesh is a member of the Society of Interventional Radiology.