Dan had a rich professional military career in the Israel Defense Forces (IDF). The first stage of his career saw him become an intelligence officer and commander (achieving the rank of Lt.-Col.), during which time he focused mainly on combating terrorism, especially in Lebanon. In the second stage, which began in the mid-1990s, he became a legal officer within the framework of the Military Advocate General Corps. Dan’s legal military career spanned several senior positions, including Deputy to the Chief Military Prosecutor, Military Advocate of the Northern Command, Chief Defense Counsel, Deputy to the M.A.G., before being appointed M.A.G. in 2011, serving in this position until 2015. Under his authority and responsibility as M.A.G., he established and oversaw the process of providing legal advice to the relevant IDF units active in the cyber space.
Dan as a law degree (LL.B.) from the Faculty of law – Tel Aviv University and Master of Business Administration (EMBA) – Tel-Aviv University, (Recanati) Koler Business School.