Our specialists are unparalleled in understanding the culture, goals and needs of their clients. We focus on leveraging clients’ successes as the stimulus to meet new, embedded and complex challenges and take great pride in the trust and enduring relationships that evolve with the organizations served.
Read more about our specialists below.
Milton E. Ahlerich
Mr. Ahlerich is the former Assistant Director, Federal Bureau of Investigation and the former Chief of League Security, National Football League. He possesses specialized experience in security assessments, investigations and event security.
William Albracht
Mr. Albracht is the former Assistant Special Agent in Charge of the Washington D.C. United States Secret Service Office, and Manager of Ford’s Executive Security Operations. He provides expert experience in site security assessments and protective advancements.
Karen T. Barry
Ms. Barry provides skilled and specialized knowledge in tandem with extensive experience in event security and physical protection security measures for private sector organizations, law enforcement agencies and Universities.
Ira Blatstein
Dr. Blatstein provides extensive training on course topics that include strategic planning, change management and leadership for both private and public organizations.
James M. Calucchia
Mr. Calucchia brings 25 years of extensive federal law enforcement experience in physical protection and advance surveys for dignitaries to Powhatan Group clients.
William J. Cameron
Mr. Cameron brings expertise in building continuity and business recovery plans and loss prevention measures for both the public and private sectors to his role with Powhatan Group.
Peter A. Cavicchia
Mr. Cavicchia is the President of Strategic Services International, LLC. He provides expert advice in organizational strategic planning, human resource utilization and review of organizational effectiveness and development.
Terry H. Chodosh
Mr. Chodosh brings 36 years of extensive experience in counterfeit investigation, protective services, credit card fraud investigations and global corporate security to Powhatan Group.
Don Cox
Mr. Cox specializes in financial security, investigative procedures, executive protection, organizational preparedness and survival issues.
William J. Esposito
Mr. Esposito is the former Deputy Director, Federal Bureau of Investigation and former Member, President’s Commission on Integrity and Efficiency (PCIE). He holds extensive experience in corporate due diligence, compliance and anti-corruption programs, and safety and security matters in the government and banking industry.
Mark Fallon
Mr. Fallon brings to Powhatan Group more than 30 years of federal law enforcement experience, specifically as the former Assistant Director, Federal Law Enforcement Training Center and the former Director, Naval Criminal Investigative Service Training Academy. He is internationally recognized in counterterrorism and training transformation.
Donald A. Gambatesa
Mr. Gambatesa brings extensive experience in audits, contract oversight, crisis operations management, along with his knowledge in leading large, complex organizations.
Sheldon F. Greenberg
Dr. Greenberg began his career with the Police Department in Howard County, Maryland, and has more than 30 years experience in building training curricula for various organizations. These courses vary from managing change and strategic planning, to case studies in management and leadership.
Paul J. Haggerty
Mr. Haggerty provides expert knowledge of physical protection, criminal investigations, emergency preparedness and sales management experience for Powhatan Group clients.
Andrew E. Harris
Mr. Harris is a visionary leader with diverse, comprehensive experience in long- and short-term global strategic security, workforce management and financial management. Harris brings his demonstrated expertise establishing partnerships domestically and abroad with government and private entities, and more than 35 years experience in law enforcement with him to Powhatan Group.
Robert H. Hast
Mr. Hast is the former Director of Event Security for the National Football League (NFL). He brings extensive experience in global infrastructure security, physical protection and identity theft investigations to Powhatan Group clients.
Thomas E. Katana
Mr. Katana is a celebrated and highly decorated U.S. Navy SEAL Captain and lawyer who previously founded a consulting practice that delivered innovative leadership and organizational development solutions for companies worldwide. Mr. Katana currently serves as Principal Trainer/Advisor for the U.S. Department of Defense, Defense Security Service, Center for Development of Security Excellence.
Gary Mead
Mr. Mead has specialized experience in immigration policy and enforcement, budget management, human resources and training.
Sam Meale
Mr. Meale provides expert knowledge in intelligence/information collection, surveillance detection training and implementation of operational activities in various government organizations.
Lewis C. Merletti
Mr. Merletti possesses extensive experience in planning and operations, training and instruction, and leading large organizations.
David B. Mitchell
Mr. Mitchell is the Director of Public Safety and Chief of Police, University of Maryland at College Park, and is nationally recognized in crisis management, communication and law. Mitchell also serves as an advisor to the Center for Preparedness and Catastrophic Event Response, established by the Department of Homeland Security, and as an Adjunct Professor, School of Education, Division of Public Safety Leadership at Johns Hopkins University.
Jerry Patton
Mr. Patton provides a wealth of experience in executive management, protective services, investigations and travel operations for Powhatan Group clients.
Anthony J. Romano
Mr. Romano is renowned in counterintelligence/counterterrorism operations, training supervision and oversight of security personnel.
Lewis D. Schiliro
Mr. Schiliro provides a wealth of experience and expertise in the supervision, management, and leadership of both public and private organizations. He has extensive experience in both Domestic and International terrorism cases and is a Court qualified expert in Organized Crime.
Darrel W. Stephens
Mr. Stephens is nationally distinguished in evidence-based problem-solving, community policing and relations, technology implementation, personnel management and financial accountability. Stephens is currently a distinguished faculty member of the Johns Hopkins University, Division of Public Safety Leadership where he also serves as Director of State and Local Programs. He has more than 20 years of experience as a police executive, earning a national reputation as an innovator in policing, having assumed difficult and challenging opportunities.
Daniel J. Sullivan
Mr. Sullivan specializes in major event security planning, change management and travel security for both private and public organizations. Prior to joining Powhatan Group, he served as the former Director of Law Enforcement at the Transportation Security Administration (TSA). In this role, Sullivan was responsible for the law enforcement efforts at more than 400 airports, and maintained operational oversight of various programs, including training and supervising airline pilots as well as establishing countermeasures to deter hostile launch against civil aviation.