Raised in Baltimore City, Dr. Jamaris attended Loyola High School and what was then Loyola College, graduating Cum Laude with a Bachelor of Science in Biology in 1968. His education and training to become a physician and neurosurgeon included:

  • Neuropsychopharmocologic research with Dr. Frank J. Ayd, Jr. until 1969
  • 4 years at the University of Maryland School of Medicine
  • Coronary Care Internship at Mercy Hospital in 1972
  • Junior Assistant Resident in General Surgery at the University of Maryland Hospital in 1972 and 1973
  • 5-year Neurosurgical Residency at the University of Maryland, completed in 1978

Dr. Jamaris served at the rank of Major in the U.S. Army Medical Corp, stationed at William Beaumont Army Medical Center in El Paso, Texas, and was Chief of the Department of Neurosurgery in 1980.