Dmitri Alperovitch is a cybersecurity expert, entrepreneur, and author of The World on the Brink: How the Hybrid World War Threatens Our Future. He is the co-founder and former CTO of CrowdStrike, a global leader in cyber threat intelligence and defense, and currently serves in senior advisory roles shaping how governments and organizations respond to digital conflict and nation-state cyber operations. Alperovitch’s work spans cyber risk, geopolitics, and emerging threats, making him a key voice on the frontlines of cybersecurity and global stability.