Aare Reintam is the Chief Operating Officer and a Member of the Executive Board of CybExer Technologies since June 2018. Previously, he worked as the Cyber Defence Exercise Manager of the NATO Cooperative Cyber Defence Centre of Excellence where I planned, executed and/or oversaw several iterations of world-leading cyber defence exercises (Locked Shields, Crossed Swords, Cyber Coalition) between 2014 and 2018. Prior to that, Aare worked in several key roles within the Estonian National Cyber Security Agency from 2011 until 2014, including as the Head of Department for National Information Security.