Konstantinos Karagiannis is Director of Quantum Computing Services at Protiviti. He helps companies get ready for quantum opportunities and threats, including quantum portfolio optimization using cardinality constraints and post-quantum cryptography agility assessments. He has been involved in the quantum computing industry since 2012, and in InfoSec since the 1990s. He is a frequent speaker at RSA, Black Hat, Defcon, and dozens of conferences worldwide. He also hosts Protiviti’s Post-Quantum World podcast.