1947
Born to William and Marsha in Bronx, NY.
1973
Holds a residency in general surgery at Abington Memorial Hospital (now Abington–Jefferson Health) until 1975.
1973
Graduates from the Jefferson Medical College and is awarded the S. McCuen Memorial Prize in Otology at graduation.
1975
Holds a residency in otolaryngology at the University of Pennsylvania Health System until 1978.
1982
Becomes a fellow of the American College of Surgeons.
1985
Holds a residency in radiation oncology at SUNY Downstate Health Sciences University in Brooklyn, NY until 1988.
1989
Is the co-director of the Center for Radiosurgery at the Columbia University Irving Medical Center until 1998.
1998
Is co-director of the Gamma Knife Center at the Columbia University Irving Medical Center until 2015.
2002
Is named among the Top Doctors in the New York Metro Area by Castle Connolly in New York Magazine each year through 2014.
2005
Is named one of America’s Top Doctors for Cancer by Castle Connolly each year through 2013.
2015
Is named professor emeritus of radiation oncology by Columbia University Irving Medical Center.
2019
Is an inductee of the Academy of Clinical Excellence (ACE) at the Columbia University Vagelos College of Physicians and Surgeons.
2021
Maintains membership with the American Academy of Otolaryngology-Head and Neck Surgery and American College of Surgeons.