Our Story

Comprehensive Security Screening Measures (CSSM) was founded in 2020 by Dan Mathis Jr., CPP, a recognized expert in venue safety and security. Dan saw that the security industry would play a crucial role in the worldwide recovery from COVID-19 and developed CSSM to help venues and facilities evolve toward safe, contactless security practices.

Leadership

Dan Mathis Jr., CPP
Founder & Security Screening Operations Expert

Dan Mathis Jr., CPP, is a nationally recognized authority in public safety and venue security with more than 28 years of experience in law enforcement, major crimes investigation, and private-sector security operations. Dan is a Certified Protection Professional (CPP) through ASIS International,

As Founder of CSSM, Dan is committed to raising the global standard for security screening, ensuring officers perform their duties with confidence, professionalism, and public trust.

Mission Statement

CSSM's mission is to provide a National and International standardized security screening training protocols based on certification standards that will be adopted and utilized to enhance venue safety practices around the world.

Our Vision

tComprehensive Security Screening Measures (CSSM), we deliver specialized training programs that prepare today’s security professionals to meet tomorrow’s challenges. Our certifications focus on practical, real-world skills that improve safety, consistency, and professionalism in every screening environment.

Advisory Board

Roscoe Hightower, Jr., Ph.D. (posthumously)
Centennial Eminent Scholar Chair and Professor of Marketing and Facility Management| EuroFM Ambassador to the United States| President of FAMU United Faculty of Florida (UFF) Labor Union Chapter| Facility Management Accreditation Commission (FMAC) Board of Commissioners

Tamara D. Herold, Ph.D.
Dr. Tamara D. Herold is an Associate Professor of Criminal Justice and Graduate Director at the University of Nevada, Las Vegas (UNLV). She serves as Director of the Crowd Management Research Council and Associate Director of the Center for Crime and Justice Policy.

Michael Scott, J.D.
Michael Scott is a clinical professor at Arizona State University's School of Criminology and Criminal Justice at Arizona State University and the director of the Center for Problem-Oriented Policing, a research center that produces and disseminates information about how police can effectively and fairly address specific public-safety problems. Scott was formerly a clinical professor at the University of Wisconsin Law School; chief of police in Lauderhill, Florida; special assistant to the chief of the St. Louis, Missouri, Metropolitan Police Department; director of administration of the Fort Pierce, Florida, Police Department; a senior researcher at the Police Executive Research Forum (PERF) in Washington, D.C.; legal assistant to the police commissioner of the New York City Police Department; and a police officer in the Madison, Wisconsin, Police Department. In 1996, he received PERF's Gary P. Hayes Award for innovation and leadership in policing.