General Keith B. Alexander is a figure in the fields of cybersecurity and national security. As a retired four-star general of the United States Army, he has held some of the most critical positions in the realm of national defence and intelligence. His extensive experience includes serving as the Director of the National Security Agency (NSA), Chief of the Central Security Service (CSS), and Commander of the United States Cyber Command. These roles have equipped him with unparalleled insights into the complexities of modern security challenges. Following his retirement from military service, Keith transitioned to the private sector, where he founded IronNet Cybersecurity. This technology company is dedicated to advancing network security, reflecting his commitment to safeguarding digital infrastructures. His leadership in both military and civilian capacities underscores his deep understanding of the evolving landscape of cybersecurity threats and the innovative solutions required to address them. Throughout his career, Keith has navigated numerous challenges, from managing the intricate operations of national security agencies to addressing the ever-changing threats in cyberspace. His ability to adapt and lead in high-pressure environments has been a hallmark of his career. His insights are particularly valuable in today's world, where cybersecurity is a paramount concern for governments, businesses, and individuals alike. Keith's contributions to national and cyber security have been recognised through various awards and honours, reflecting his dedication and impact in these fields. As a speaker, he brings a wealth of knowledge and experience, offering audiences a unique perspective on the intersection of technology and security. His talks are informed by decades of service and a forward-thinking approach to the challenges of the digital age, making him a compelling voice in discussions on cybersecurity and innovation.