- 2019 - present
MemberInternational Education/Visiting Professor Committee, Society of Abdominal Radiology
- 2019 - present
MemberCorporate Support Committee, Society of Abdominal Radiology
- 2019 - present
MemberInternational Relations Committee, Society of Abdominal Radiology
- 2018 - present
MemberDFP Pancreatitis, Society of Abdominal Radiology
- 2017 - present
Co-DirectorBody Imaging Course, American College of Radiology
- 2016 - 2017
Co-ChairWorkshops Program Committee, Society of Abdominal Radiology
- 2016
Co-DirectorOncologic Radiology, Categorical Course, American Roentgen Ray Society
- 2015 - 2018
Co-DirectorInstructional Course Program, American Roentgen Ray Society
- 2014 - 2018
Section ChiefAbdominal Imaging, Indiana University School of Medicine
- 2014
Co-DirectorMisses and Misinterpretations, Categorical Course, American Roentgen Ray Society
- 2014 - present
Board of EditorsAbdominal Imaging
- 2014 - present
ChairLiver Imaging Scientific Program, Digestive Disease Week
- 2013
ChairScientific Session Gastrointestinal Disease-Liver, American Roentgen Ray Society
- 2013 - present
MemberProgram Committee, American Roentgen Ray Society
- 2012 - 2017
ChairGastrointestinal Refresher Course Program, Radiologic Society of North America
- 2012
ChairScientific Session Gastrointestinal Disease-Liver, American Roentgen Ray Society
- 2012
Scientific Session ChairCT Imaging Advances, Radiologic Society of North America
- 2012 - present
MemberResearch and Education Foundation, Radiologic Society of North America
- 2011 - 2015
ChairScientific Program Subcommittee, American Roentgen Ray Society
- 2011 - 2012
ChairEducational Exhibit Awards Committee, Genitourinary Radiology, Radiologic Society of North America
- 2010 - 2011
JudgePoster Presentations, Society of Gastrointestinal Radiologists
- 2010 - present
MemberScientific Programs Task Force - GI, American Roentgen Ray Society
- 2010 - present
Session ChairLiver Tumors, Scientific Sessions, American Roentgen Ray Society
- 2010 - present
JudgeElectronic and Poster Presentations, Radiologic Society of North America
- 2010 - present
MemberInternational Education Committee, Society of Gastrointestinal Radiologists
- 2010 - present
Scientific Session ChairQuantitive Imaging: Tumor Physiology and Follow-up, Radiologic Society of North America
- 2009 - 2018
Fellowship DirectorAbdominal Imaging, Department of Radiology, Indiana University School of Medicine
- 2009
ModeratorPancreatic Neoplasms, Radiological Society of North America
- 2009 - present
Team LeaderEducational Awards Committee, Radiologic Society of North America
- 2009 - present
MemberRadiology Subcommittee, CRN Committee on Non-alcoholic Liver Disease, National Institutes of Health (NIH)
- 2008
ModeratorLiver Tumors, Radiologic Society North America
- 2007 - present
MemberRadiographics Review Committee, Radiologic Society of North America
- 2006 - 2018
DirectorCT, Indiana University Medical Center; CT
- 2006 - 2018
ChairmanCT Research Committee, Indiana University Medical Center; CT
- 2006 - 2009
DirectorPhillips CT Course
- 2006 - present
FellowSociety of Abdominal Radiologists
- 2005 - 2018
MemberRadiology Research Committee, Indiana University School of Medicine
- 2005 - present
State RepresentativeInternational Medical Health Organization
- 2004 - present
DiplomateDiagnostic Radiology, American Board of Radiology
- 2004 - 2007
MemberLibrary Committee, Department of Radiology, Indiana University School of Medicine
- 2004 - 2007
MemberPancreas Cancer SPORE Group III, National Institutes of Health (NIH)
- 2004 - present
FellowEuropean Society of Gastrointestinal and Abdominal Radiologists
- 2003 - present
MemberAmerican Roentgen Ray Society
- 2002 - 2006
MemberRoyal Society of Medicine
- 2000 - 2010
MemberEuropean Congress of North America
- 1998 - 1999
Head of AuditDepartment of Radiology, Birmingham Heartlands Hospital
- 1998 - 1999
InterviewerBirmingham Heartlands Hospital
- 1996 - present
MemberRadiological Society of North America
- 1994 - present
FellowRoyal College of Radiologists UK
- 1990 - present
MemberRoyal College of Physicians of Ireland
- 1990 - present
MemberRoyal College of Physicians In London (UK)