Thomas J. Welch, a 30-year law enforcement officer, has been an HSI Special Agent for over 15 years. He currently oversees all HSI Financial Investigations from HSI Headquarters in Washington D.C. as the Unit Chief for the Illicit Finance and Proceeds of Crime Unit. He arrived in HQ in July 2020 and served as HSI’s Liaison to FinCEN. Prior to his arrival to HSI HQ, he worked in the HSI Phoenix Office as the Group Supervisor for the Financial Group from 2011-2020 and as a Special Agent since 2006. HSIs Financial Crimes Program Area is broken into 3 sections, Money Laundering, Financial Fraud, and Cyberfinancial, which is a recent addition to the unit. The priority of his unit and HSI is to combat Transnational Organized Crime TCO with focused investigations into money laundering as they relate to other crimes such as narcotics smuggling, financial fraud, human trafficking, and human smuggling. Thomas Welch began his law enforcement career in 1991 as a Special Agent with the Arizona Attorney General’s Office in Phoenix, Arizona, where he worked in the Organized Crime, Major Fraud and Environmental Crimes Units. He is a graduate of Arizona State University in Tempe, Arizona with a bachelor’s degree in Justice Studies.