Clinical Interests
- Modeling of intracranial collateral circulation
- ISUIA - unruptured aneurysm trial
- IHAST cooperative trial for hypothermia in aneurysm surgery
- Progesterone therapy for stroke prevention
Research Interests
- Intracranial collateral circulation
- Intraoperative hypothermia/aneurysm cooperative trial
- Extracranial carotid occlusive disease
- Responses of cerebral blood flow to cerebral revascularization
Education
- MD, SUNY-Downstate Medical Center, Brooklyn NY
Training
- Residency, Neurosurgery, The Neurological Institute of New York, Columbia-Presbyterian Medical Center, New York, NY
Board Certifications
- American Board of Neurological Surgery
Memberships
- President, Chicago Neurological Society
- American Association of Neurological Surgeons
- Vice President
- Finance Committee
- Board of Directors
- Long Range Planning Committee
- Professional Conduct Committee
- Chairman, Publications Committee
- Chair, International Programs
- Chairman, International Outreach Committee
- Medical Director, Kuwait Scholars Project
- Membership Advisory Committee
- Chicago Neurological Society
- Vice President
- Treasurer
- World Federation of Neurosurgical Societies Foundation
- Board of Trustees
- Assistant Treasurer
- World Federation of Neurosurgical Societies
- Treasurer
- Assistant Treasurer
- Second Vice President (North America)
- Scientific Program Chairman, Southern Neurosurgical Society
- International Advisory Board, Journal of Cerebrovascular Sciences (India)
- Board of Directors, Inter-Urban Neurosurgical Society
- The College of Physicians of Philadelphia
- Honorary Member, Slovak Neurosurgical Society
- Guest Member, Japan Neurosurgical Society
- Neurosurgical Society of America
- American College of Surgeons Advisory Council for Neurological Surgery
Awards and Honors
- Top Doctors, Neurological Surgery, Philadelphia magazine, 2020-2025
- Chicago’s Top Doctors, Chicago Magazine, 2013-2014, 2016
- The Region’s Top Doctors, Suburban Life Magazine, 2010
- The Region’s Top Doctors, South Jersey Magazine, 2010
- Honorary Medical Degree, Pavel Josef Safarik University, Kosice, Slovakia, 2006
- Philadelphia’s Top Doctors, Philadelphia magazine, 2005-2008, 2010
- America’s Top Doctors, Castle and Cooke Inc., 2001, 2003
- Marquis Who’s Who in the South and Southwest, 1998
- Marquis Who’s Who in America, 1998
- The Country’s Best Heart Doctors, Good Housekeeping, 1996
- The Best Doctors in America, 1993, 1996, 1998, 2003-2004, 2015-2016, 2017-2018, 2019-2020
- Outstanding Basic Science Presentation, Residents and Fellows Research Day, University of Iowa College of Medicine, 1992
- Galbraith Award, Cerebrovascular Research of Year, Congress of Neurological Surgeons Meeting, 1991
- First Prize, Basic Science Poster Session, AANS Scientific Program, Toronto, Canada, 1988
- High Distinction in Major Subject, Dartmouth College, 1975