Martti J. Kari

Martti Johannes Kari (17 November 1960 – 30 August 2023) was a Finnish cyber security and hybrid warfare expert and retired military intelligence officer. He came to wider public attention, especially as a result of the Russian invasion of Ukraine, as a commentator on Russian military strategy based on his over 30 years of experience monitoring and analysing Russia and the Soviet Union.

Kari began his military career by undergoing his national service in the airborne special forces at the Parachute Jaeger School (now Utti Jaeger Regiment), finishing at the head of his class. He stayed with the military and was commissioned as an officer, first at the Armoured Brigade, later moving to the Signal Regiment.

Kari held a degree in Arabic language and Islamic studies, a master's degree in Russian language, and a PhD in cyber security; he had additionally studied international law. one of whom is the footballer Tommi Kari.