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

Jack Teitelman
C.E.O.
Jack Teitelman is a retired DEA Supervisory Special Agent with over 26 years of experience fighting the illegal trafficking of narcotics and controlled substances. Jack joined the DEA in 1988 upon earning a bachelor’s degree in Criminal Justice from the University of North Florida.
That same year, Jack graduated from the FBI Academy, Quantico, VA and was assigned to the DEA New York Division, where he spent the first eight years of his career before being promoted to Supervisory Special Agent and transferred to the Atlanta Technical Operations Group. 9/11 brought him back to New York City due to his expertise in sophisticated electronic surveillance programs, including tactical and non-tactical technology-based solutions that enabled and enhanced the DEA’s intelligence and law enforcement functions. In 2008, Jack transferred to the New York Organized Crime Drug Enforcement
“Strike Force” (Strike Force) comprised of agents and officers of the US Drug Enforcement Administration and the New York City Police Department, where he led an international team of investigators that lead to a 25-count indictment against Rafael Alvares, a/k/a Rafi, head of an international narcotics importation organization and his associates. The operation was one of the most brazen cases of reckless killings for the benefit of narcotics trafficking that the DEA had seen ever seen.
Over his 26-year career with the DEA, Jack gained extensive experience in all facets of complex criminal drug conspiracy investigations and won numerous awards and commendations for the work he lead to take down numerous drug trafficking organizations both in the U.S. and internationally.
Jack retired from the DEA in 2015, and today heads, TITAN Group, a DEA regulatory consulting firm, an industry leader providing regulatory compliance services to a cross section of both the human and animal healthcare industries.

Nick Davella
D.O.S.
TITAN welcomed Nick Davella in 2021 after a 30-year career with the New York City Police Department (NYPD) retiring as Detective-First Grade. After serving the citizens of New York City, first as a patrolman in Brooklyn and then as a Detective in several NYPD narcotic units, Nick was designated as a DEA Task Force Officer in DEA’s elite State and Local Taskforce and was eventually assigned to the nation’s first multi-jurisdictional U.S. Department of Justice Organized Crime “Strike Force” unit.
Working alongside agents from the DEA, FBI, ICE, IRS, NYDP, NYSP, and US Marshalls Service, Nick was involved in several high-profile cases focused on the dismantling of drug trafficking organizations illicitly distributing controlled substances. Over a 20-year span in the DEA as a Task Force Officer, Nick was responsible for hundreds of arrests, the seizure of thousands of pounds of illicit drugs, and the seizure of over $10 million dollars in drug dealer assets.
As a member of TITAN team, Nick supports the company’s operations including the TITAN Continuing Support Program and provides support to our sales team across the sales cycle.
A regulatory subject matter expert, Nick performs both inspections and audits to identify gaps in our client’s compliance with the Controlled Substances Act (CSA) and regulations contained in the Code of Federal Regulations (CFR). Based on the findings, Nick designs and helps implement remediation plans to ensure that our clients are 100% compliant with both state and federal regulatory guidelines.
Nick's extensive experience allows him to provide guidance and expertise on regulatory matters across healthcare sectors including veterinary facilities, hospitals, independent pharmaciesas well as companies who manufacturer and/or distribute controlled substances.

Sharon Richter
C.M.O
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.
- Phone:(973) 433-3400
- Email: info@titangroupdea.com

Mike Pfeiffer
Senior Consultant
With over 20 years of experience in regulatory compliance, project management, and the
distribution of controlled substances, Mike is a seasoned expert in DEA regulations, Controlled
Substance Compliance, and industry standards. Currently serving as a Senior Consultant at Titan Group, Mike specializes in guiding clients through the complexities of obtaining licenses for manufacturing Controlled Substances and List I Chemicals. This includes auditing a wide range of healthcare and pharmaceutical facilities and preparing clients for DEA audits.
Previously, Mike served as a DEA Compliance Subject Matter Expert at Consilio, where he
reviewed due diligence files and ensured the compliance of healthcare practitioners handling
controlled substances. In addition to this role, he held key leadership positions at Covetrus North America, overseeing DEA compliance for seven distribution centers, conducting audits, and ensuring the timely reporting of ARCOS and state compliance documentation.
As a Compliance Manager at KeySource Acquisition, LLC, Mike demonstrated exceptional attention to detail by reviewing customer applications for controlled substance purchases, adjudicating Suspicious Order Monitoring (SOM) cases, and submitting timely Federal and State reports. Prior to this, Mike gained significant experience at Patterson Companies, Inc., where he led safety and compliance initiatives for multiple distribution centers, and at Royster Clark, Inc., where he managed operations and customer service in the agricultural sector.
In addition to his extensive professional experience, Mike holds a Bachelor’s degree in Crop Science and an Associate’s degree in Agronomy from The Ohio State University. His broad knowledge spans DEA regulations, VAWD, DOT, OSHA, and PDMA, equipping him to ensure compliance across various industries. Outside of work, Mike is passionate about community service, having volunteered with the
Hilliard Darby Softball, Girl Scouts of America, the Hilliard Girls Softball Association, and
various color guard and band activities. In addition to volunteering with his children’s activities he is an avid outdoorsman that enjoys hunting, fishing, and gardening.