Former Chief Physician, Clalit Health Services.
Prior to this position he was the Medical Director at Maccabi Healthcare Services and Head of Medical Services at the Hadassah Medical Organization, Jerusalem. 
He completed his medical degree at the Hadassah-Hebrew University School of Medicine and a residency in Pediatrics at the Shaare Zedek Medical Center.  He also received and MA degree in Public Administration from Harvard University in 1999 and completed a residency in Medical Management. 
From 2001 up to the end of 2007, Dr. Birnbaum served as Associate Director General of HMO and as Director of the Hadassah Ein-Kerem Medical Center. 
Prior to his joining HMO, he served as Deputy Director General of Shaare Zedek Medical Center and Associate Medical Director of Maccabi Health Care Services.  
In addition to medical training Dr. Birnbaum is also an ordained Orthodox Rabbi who wrote his thesis on “The Status of the Physician in Jewish Sources”.