We understand the DEA because we’ve been the DEA

Our team is made up of former DEA special agents and diversion investigators experienced at conducting controlled substances audits and criminal investigations of diversion.

Meet our team

Titan Group DEA Jack Teitelman

Jack Teitelman


Jack has more than three decades of continuous leadership expertise in government, security, law enforcement and private industry.

For 26 years, he worked for the Department of Justice/Drug Enforcement Administration as a Special Agent and Supervisory Special Agent, gaining extensive experience in all facets of complex criminal drug conspiracy investigations. He received numerous awards and commendations.

Jack has years of training in advanced technical electronics and security systems. He managed a sophisticated electronic surveillance program, including tactical and non-tactical technology-based solutions that enabled and enhanced the DEA’s intelligence and law enforcement functions. As a divisional security officer, he conducted physical security assessments, instituted safety programs and conducted numerous internal investigations of employees’ backgrounds and violations of agency standards. 

He has successfully completed numerous foreign and domestic assignments that established his expertise in investigations, security and protection. He has corporate insight as well, having directed executive protection for a major hedge fund company, after retiring from the DEA.

Jack is joined by a vast network of leading investigators worldwide, who ensure that our clients receive the highest quality support and services.

Titan Group DEA Kelley Detweiler

Kelley Detweiler

Managing Partner | C.O.O.

Kelley Detweiler is the Managing Partner and Chief Operating Officer of TITAN Group. In 2017, Kelley helped cofound TITAN by merging her experience in pharmaceutical packaging compliance with Jack’s vision to provide DEA compliance solutions to healthcare professional and industries that work with controlled substances and List 1 chemicals. In addition to TITAN, Kelley helped launch Athletes For CARE, a 501(c)3 not-for-profit organization that provides opioid alternative treatment solutions to athletes following a professional career in sports in addition to research, education and safety.

Titan Group DEA Sharon Teitelman

Sharon Richter


As Chief Marketing Officer, Sharon wears many hats. She is an expert in business process improvement and is experienced in leading large-scale, cross-functional project teams. She is a strategic thinker and problem-solver who brings hands-on experience designing and executing market insights and voice-of-the customer research. She spent nearly 15 years in senior strategy and marketing management positions at American Express and nearly five years as a Vice President, Product Manager in the Commercial Card Division of JP Morgan Chase. She is also Jack’s better half.

Titan Group DEA Andrew Eiseman

Andrew Eiseman

Vice President, Operations

Andrew brings more than 26 years of federal investigative and management experience with the DEA as a Special Agent and Supervisory Special Agent. He has served in a variety of positions, managing complex, high-profile and covert international and national federal investigations. He is skilled in developing security policies and procedures to protect personnel, property and information, as well as collaborating and serving as a liaison with law enforcement agencies. Before joining TITAN, he also served as the fraud operations manager for Capital One, and a financial investigator with the US Attorneys Office.