Enrico Verzegnassi is a cybersecurity leader and offensive security specialist currently serving as Head of Offensive Cyber Security at Nexi, one of Europe’s leading payment technology companies.

With a strong academic and professional foundation in cybersecurity, Enrico holds a Master’s degree in Computer Engineering from Sapienza University of Rome, where he specialized in cybersecurity, enterprise security, network security, machine learning, cloud computing, big data, and advanced computing systems. As part of his academic research, he conducted his Master’s thesis at Florida Atlantic University, focusing on cybersecurity and the Internet of Things (IoT). His research led to the publication and presentation of a scientific paper at an IEEE IoT conference in Ireland, exploring attack detection in IoT environments through network data conformity analysis.

Throughout his career, Enrico has developed extensive expertise in offensive security, threat-led testing, enterprise security, network defense, and cyber resilience. His professional interests span network and enterprise security, IoT security, forensic data analysis, Linux systems, machine learning, and the application of big data techniques to cybersecurity challenges.

Combining deep technical knowledge with practical industry experience, he is passionate about helping organizations strengthen their security posture and prepare for an increasingly complex threat landscape. Enrico is recognized for his ability to bridge advanced security research with real-world cybersecurity operations and business resilience.

Julie B is a cybersecurity leader, AI Security Architect, and Offensive Security specialist with more than 14 years of experience securing, testing, and architecting enterprise, cloud, and artificial intelligence systems.

Currently serving as Cybersecurity Expert, Team Lead, and AI Champion at Vidéotron, she is recognized for her expertise at the intersection of AI security, adversarial machine learning, offensive security, and enterprise architecture. Julie specializes in securing Generative AI and Large Language Model (LLM) environments, with deep knowledge of prompt injection, jailbreak techniques, model exploitation, adversarial AI, and AI red teaming. Her work focuses on helping organizations design resilient AI systems through secure architecture, threat modeling, governance frameworks, and responsible AI practices aligned with standards such as the NIST AI Risk Management Framework.

Throughout her career, she has led red and purple team operations, developed AI-powered threat intelligence capabilities, and designed security architectures for complex enterprise environments. Combining offensive and defensive security expertise, she brings a comprehensive understanding of emerging AI risks and mitigation strategies. Julie is also an internationally recognized speaker, having presented at leading conferences including HackMiami, GoSec, and InCyber Forum, where she shares insights on AI security, Shadow AI risks, LLM vulnerabilities, and adversarial AI systems. Her thought leadership continues to shape industry discussions on trustworthy AI, cyber resilience, and the future of secure artificial intelligence adoption.

Marco Pacchiardo is a seasoned cybersecurity leader, security architect, and internationally recognized security consultant with more than 20 years of experience in information security, cybersecurity, security management, business security consulting, and project management.

Currently serving as Lead Security Architect Worldwide at Zscaler, Marco has built an impressive career helping organizations strengthen their security posture, align security strategy with business objectives, and navigate complex cyber risk landscapes. Throughout his career, he has delivered security consulting and advisory services across a diverse range of international markets, including the United States, Germany, France, Switzerland, Finland, the Benelux region, the United Kingdom, the United Arab Emirates, India, Japan, Chile, Argentina, and Malta.

His expertise spans cybersecurity strategy, IT governance, security management, business development, and large-scale project delivery. Marco is also a respected author, having written two books along with numerous guides and articles focused on security, governance, and risk management. Known for his practical and business-oriented approach, he combines deep technical knowledge with strategic leadership to help organizations address evolving cyber threats while enabling innovation and growth. His extensive international experience and thought leadership make him a valued voice in the global cybersecurity community.

Dr. Vasileios Karagiannopoulos is an award-winning academic, researcher, and international speaker specializing in information technology law and policy, cybercrime, cybersecurity awareness, political hacking, and the evolving relationship between artificial intelligence and crime. He currently serves as Co-Chair of the Faculty of Humanities and Social Sciences Ethics Committee at the University of Portsmouth and plays a leading role in advancing research and public engagement on emerging cyber threats and digital security challenges.

Throughout his career, Dr. Karagiannopoulos has been committed to bridging the gap between academia, government, industry, and the wider public. His work focuses on understanding the societal, legal, and technological dimensions of cybercrime while developing practical approaches to cybersecurity awareness and resilience. He has contributed extensively to research, policy discussions, and educational initiatives aimed at addressing the rapidly changing cyber landscape.

As Cybercrime and AI Lead for the University of Portsmouth Policing Academic Centre of Excellence (P-ACE), he explores the implications of artificial intelligence, digital transformation, and emerging technologies on crime and security. A sought-after speaker at international conferences and forums, Dr. Karagiannopoulos is recognized for his ability to translate complex cybersecurity and technology issues into accessible, actionable insights for diverse audiences worldwide.