Stuart is the Co-Founder and Chief Executive Officer of Sigma360, a leading AI-driven risk intelligence platform used by global organizations to fight financial crime and make more informed counterparty risk decisions.Prior to Sigma360, Stuart was a Sloan Fellow at MIT's Sloan School of Management and a Term-Member of the Council on Foreign Relations. Before moving to Cambridge, he served as the Executive Director in EY’s Europe, Middle East and Africa (EMEA) practice focusing on financial crime compliance risk management, regulatory look backs and strategic client engagement in key growth markets. Prior to this, Stuart served as the U.S. Treasury Department’s Financial Attaché to the Gulf Cooperative Countries (GCC), leading the Department’s regional efforts to ensure macroeconomic and financial stability and to combat illicit finance, including implementation of domestic and international sanctions programs. The role required regular meetings with Finance Minister/Central Bank Governor and Chairman/CEO level contacts across the region and constant interaction with senior Treasury leadership where Stuart advised officials on key regional policy matters. During his time with U.S. Treasury, Stuart also served as the Financial Attaché to Afghanistan for two years, overseeing the Department's largest overseas technical personnel investment. Before taking up post overseas, Stuart worked as a senior advisor in Washington, D.C. in the Treasury Department's Office of Terrorism and Financial Intelligence (TFI) and was detailed for 15 months to help stand up the National Counterterrorism Center’s Directorate of Strategic Operational Planning (DSOP) where he was named a “plank owner” of the directorate. For his work at home and abroad, Stuart received the U.S. Treasury Department Meritorious Service Award and two U.S. Treasury Secretary's Honor Awards.