Mantas Marcinkevicius is a CISO and creator of Modern CISO. His experience spans building security capability after divestment, transforming inherited environments and working across federated and enterprise organisations. He speaks about security leadership, resilience, AI governance and the practical decisions behind sustainable change.

At Lloyd’s List Intelligence, he built the dedicated security function following divestment. Previously, he led security transformation at Hyde Group and group security assurance at Associated British Foods, following roles at Thomas Cook Group and RNIB.

His work connects hands-on engineering experience with CISO accountability, executive reporting and practical risk ownership. Recognition includes Top 100 CISO, Computing 2024, and IT Leaders 100, 2025. His speaking appearances include Infosecurity Europe, CISO 360 and Visions CISO Summit.