Dr. Derrick Hull is a clinical psychologist, researcher, and technologist specializing in artificial intelligence for mental health. He serves as founding Clinical Lead at Slingshot AI, where his work on Ash focuses on how AI systems can support meaningful psychological change beyond information delivery, with an emphasis on real-world evidence and clinical effectiveness.

Over the past two decades, Dr. Hull has held research and product leadership roles across digital mental health companies including Talkspace, Noom, and Mindbloom. His work spans psychotherapy research, digital therapeutics, and the application of natural language processing to mental health interventions. He has also received over $10M in funding from the National Institute of Mental Health (NIMH), supporting research into psychotherapy processes and technology-enabled treatment development.

Dr. Hull's research focuses on mechanisms of change in psychotherapy, evaluation of AI-mediated mental health interventions, and the development of scalable, evidence-based approaches to behavioral health care. He has contributed to peer-reviewed research in journals including Nature, PNAS, JAMA, and Behavioral and Brain Sciences, and his work has been featured in major media outlets including The New York Times, The Wall Street Journal, and TIME.

He received his Ph.D. in Clinical Psychology from Columbia University, following graduate training in neuroscience and linguistics at Harvard and MIT.