Joe is a senior offensive security researcher focused on AI at NVIDIA. He is the founder and chair of the NumFOCUS Security Committee and is a member of the Jupyter Security Council. He was one of the architects and hosts of the DEF CON 30 AI Village Capture the Flag competition and is passionate about machine learning security education. He served in the US Army at US Cyber Command and the 101st Airborne Division. He holds a master's degree in Computer Science from Georgia Institute of Technology and a bachelor's degree in Mathematics from the United States Military Academy.