- 2016 - 2017
PresidentNeurosurgical Society of America
- 2013 - present
MemberCommittee on Emerging Surgical Technology and Education (CESTE), American College of Surgeons
- 2012 - present
MemberBoard of Regents, American College of Surgeons
- 2012 - present
MemberAmerican College of Surgeons
- 2009 - 2012
ChairAdvisory Council for Neurological Surgery, American College of Surgeons
- 2008 - present
MemberNeuro Continuous Improvement Work Group, Department of Neurologic Surgery
- 2008 - present
MemberCommittee on Trauma, American College of Surgeons
- 2007 - 2013
SecretaryNeurosurgical Society of America
- 2006 - 2012
Governor RepresentativeAdvisory Council for Neurological Surgery, American College of Surgeons
- 2006 - 2012
Neurosurgical RepresentativeCommittee on Resident Education, American College of Surgeons
- 2006 - 2008
MemberOfficers & Councilors of Staff - Rochester, Mayo Clinic Rochester Committees
- 2006 - present
MemberAmerican Association of Clinical Endocrinologists
- 2005 - present
MemberTrauma Committee, Mayo Clinic Rochester Committees
- 2004 - present
MemberEducation Committee, Department of Neurologic Surgery
- 2004 - present
MemberResearch Committee, Department of Neurologic Surgery
- 2004 - present
MemberMultidisciplinary Trauma Committee, Mayo Medical School, Mayo Clinic College of Medicine and Science
- 2001 - present
MemberThe Pituitary Society
- 2000 - present
MemberNeurosurgical Society of America
- 1998 - 2003
MemberOrgan and Tissue Donor Committee, Mayo Clinic Rochester Committees
- 1997 - 2017
Board of DirectorsInterurban Neurosurgical Society
- 1997 - 2004
MemberAdvisory Council for Neurological Surgery, American College of Surgeons
- 1997 - 2004
RepresentativeProgram Committee from Neurosurgery, Advisory Council for Neurological Surgery, American College of Surgeons
- 1996 - present
MemberAcquired Brain Disorders Committee, Mayo Clinic Rochester Committees
- 1994 - 2008
MemberAmerican Heart Association
- 1994 - present
MemberTraumatic Brain Injury Committee, Mayo Medical School, Mayo Clinic College of Medicine and Science
- 1994 - present
MemberIntensive Care Unit Committee, Mayo Clinic Committees
- 1994 - present
MemberCritical Care Committee, Critical Care Service, Department of Internal Medicine
- 1994 - present
FellowAmerican College of Surgeons
- 1993 - present
MemberAmerican Association of Neurological Surgeons
- 1991 - 1994
MemberCalifornia Medical Association
- 1991 - 1994
MemberSan Francisco Neurologic Society
- 1991 - present
MemberCongress of Neurological Surgeons
- 1989 - present
MemberSigma Xi, The Scientific Research Society
- 1984 - present
MemberAmerican Medical Association
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FellowStroke Council, American Heart Association
-
MemberAdvisory Councils for the Surgical Subspecialties, American College of Surgeons
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MemberJoint Section on Neurotrauma and Critical Care Head Injury Committee, American Association of Neurological Surgeons
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MemberJoint Section on Neurotrauma and Critical Care Head Injury Committee, Congress of Neurological Surgeons