Harvey Castro

Chief AI Officer

Harvey Castro, MD, MBA, widely known as DrGPT is an emergency physician, AI futurist, and global speaker at the intersection of longevity, digital health, and artificial intelligence. He is the Chief AI officer for Phantom Space Corporation working on data centers in space and space medicine for global improvement.

He is the author of ChatGPT & Healthcare (2022) and a second book focused on AI-enabled longevity, prevention, and human performance. Dr. Castro has delivered five TEDx talks and regularly advises health systems, startups, and governments on the safe deployment of AI in healthcare and lifespan optimization.

His current work centers on Digital Twin technologies AI systems that model an individual’s biology, behavior, and environment to personalize prevention, performance, and aging strategies in real time. Drawing from clinical medicine, systems thinking, and emerging AI architectures, Dr. Castro explores how proactive health, predictive analytics, and agentic AI can shift healthcare from reactive treatment to continuous optimization.

He has served as an advisor to international health initiatives, worked with leading AI and technology companies, and appears in global media discussing the future of medicine, longevity, and human AI collaboration.

Dr. Castro’s talks are practical, evidence-based, and forward-looking designed to help clinicians, leaders, and individuals understand what is coming next and how to prepare for it responsibly.