-American Heart Association 
Other Professional Positions 
1988 - Present 
Representative of American Association of Neurological Surgeons 
to International Brain Research Organization 
1988 - 1989 
Representative of the Congress of Neurological Surgeons to the 
American Council on Transplantation 
1987 - Present 
Member of the Council of the Assembly of Scientists, NINDS and 
NIMH 
1984 - 1988 
Member-Subcommittee for Brain Tumor Research, Brain Tumor 
Section, Congress of Neurological Surgeons 
1985 
Subcommittee for Luncheon Discussion Groups at Annual Meeting 
of Congress of Neurological Surgeons 
1985 
Subcommittee for Scientific Sessions for Annual Meeting of 
Congress of Neurological Surgeons 
1982 - 1983 
Committee for Public Relations Congress of Neurological Surgeons 
1989 - 1990 
Chairman, Special Courses Subcommittee for Congress of 
Neurological Surgeons Annual Meeting 1990 
1989 - 1990 
President, Meacham Neurosurgical Society 
Nov 12-15, 1991 
Guest Examiner for Oral Examination of the American Board of 
Neurological Surgery 
Current 
Ad Hoc Referee for: 
Neurosurgery 
Neurology 
Cancer Research 
Journal of Neurooncology 
Cancer Treatment Reports 
[ 856 ] 
Recombinant DNA Research, Volume 15 
