Gabriel "Gabi" Siboni is a colonel (Aluf Mishne) in the Israel Defense Forces Reserve service, and a senior research fellow and the director of the Military and Strategic Affairs and Cyber Security programs at the Institute for National Security Studies. Additionally, he serves as editor of the tri-yearly published, Military and Strategic Affairs academic journal at INSS. Siboni is a senior expert on national security, military strategy and operations, military technology, cyber warfare, and force buildup. Siboni is as a professor at the Francisco de Vitoria University in Madrid.