Vince Pallozzi serves as Director of Development for Sigma and brings 28 years of law enforcement experience having recently retired from the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) as the Deputy Assistant Director of Leadership & Professional Development. In April 1995, he began his law enforcement career as a Police Officer with the Clayton County Police Department, in Clayton County, Georgia. In February 1997, Vince started his Federal law enforcement career as a Special Agent with the U.S. Department of Health and Human Services (HHS), Office of Inspector General. (OIG), investigating healthcare fraud. In 1999, he joined ATF where he served as a Special Agent in the  Charleston, West Virginia, and Anchorage, Alaska Field Offices. In 2012, Vince was selected as the Resident Agent in Charge of the Boise, Idaho Field Office, a position he held until November 2014 when he was named the ATF Explosives Liaison to the Department of Defense, Joint Improvised Explosives Device Defeat Organization (JIEDDO) at the United States Pentagon. 

From 2015 to 2016, Vince worked directly for the Assistant Director (AD) of Field Operations in ATF Headquarters Washington, DC, before being named the Assistant Special Agent in Charge (ASAC) of the Dallas Field Division where he served until 2019. From 2019 until 2022, he served as the Special Agent in Charge (SAC) of the ATF Charlotte Field Division, responsible for over 240 criminal investigators, contractors, support staff and task force officers before his final appointment as the Deputy Assistant Director. 

A native of Bucks County, PA, Vince received a Bachelor of Science degree (Summa Cum Laude) in Criminal Justice/Political Science from West Chester University, West Chester, PA. He completed the International Association of Chiefs of Police (IACP), Leaders in Police Organizations Course, is a Certified Explosives Specialist (CES), has extensive training from John’s Hopkins University in Peer Response, served as a Board Member on the Federal Law Enforcement Training Accreditation National Board, and is a member of the Senior Executive Service (SES) leadership cadre.