Leader, cyber entrepreneur, senior manager and holds a unique record in the cyber field. Kreiner served in a senior position in the ISA (Israel Security Agency), and was the Director of Israel’s National Cyber Security Authority, responsible to defend critical and classified infrastructures and assets, and responsible to build and develop the Israeli cyber defense capabilities, and prevent cyber-attacks on Israeli domains. Kreiner led and covered almost all aspects of threats mitigation with various creative methods and technologies. He is a Special Forces veteran, Sky marshal, was the director of Israeli security in Europe, and holds BSc. and MA degrees.