City University of New York
Lecturer in Law and Police Science
Port Authority of NY & NJ
Director-Strategic Initiatives and World Trade Center Security Planning
TENNESSEE DEPARTMENT OF CORRECTION
Assistant Commissioner for Rehabilitative Services
City of New York
Chief of Police
United States Capitol Police
Director-Mission Assurance Bureau
Naval Postgraduate School
Distinguished Fellow, US Department of Homeland Security's Center for Homeland Defense and Security
The Port Authority of New York & New Jersey
Director-Strategic Initiatives and World Trade Center Security Planning
The City University of New York
Lecturer in Law and Police Science
Harvard Kennedy School of Government
The Wharton School
Naval Postgraduate School
