Born in Israel 1961. Received his MD degree from Sackler School of Medicine, Tel Aviv University on 1986. Completed his residency in Internal Medicine at the Sheba Medical Center on 1997.
In 2001 received MS degree in Medical Informatics from the Harvard-MIT Division of Health, Sciences and Technology, Boston, USA.
Prof. Ash has also a Master degree in political sciences from the University of Haifa.
Prof. Ash has been a military physician for 25 years. He retired in the rank of Brigadier General on 2011, after completing intensive 4 years as the Surgeon General of the IDF.
Between Jan 2012 and July 2013 served as a senior Deputy Director General for Health Informatics in the Ministry of Health.
On August 2013 Prof. Ash joined Maccabi Healthcare Services (MHS) as the chief Director of "Sharon" district. A year later he was promoted to be the Director of the Health Division of MHS, a position that he held until August 2020.
Between Nov 2020 and July 2021 Prof. Ash was the national Covid-19 coordinator of Israel.
On July 2021 Prof. Ash was appointed to be the Director General of the Israeli Ministry of Health.
Nachman Ash is an associate professor at Ariel University, the school of Health Sciences, the department of health systems management.