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Our faculty is composed of highly qualified and dedicated full-time professors with terminal degrees in their fields and real-world professional experience, as well as outstanding part-time instructors. Click on each of their profiles below to learn more about their experience, publications, awards and contact information.

Department Chair

  • Dr. Michael Hummel

    Professor of Criminal Justice and Security Studies, Director of the Bachelor of Science in Criminal Justice, Global Online Homeland and International Security Concentration

    Current Positions: Chair, Department of Criminal Justice, and Professor of Criminal Justice and More


  • Dr. Aref M. Al-Khattar


    Dr. Aref M. Al-Khattar, a former chair of the Department of Justice, Law, and Society, is a More

  • Dr. John R. Cencich

    Professor and Director of the Pennsylvania Institute of Criminological and Forensic Sciences; Coordinator of the Master of Arts in Social Sciences Applied Criminology Program

    Senior professor of criminal justice Dr. John Cencich is a legal scientist and career law More

  • John DiSalle


    John DiSalle is a judge of the Court of Common Pleas of Washington County, Pa., a position he was More

  • Dr. Raymond J. Hsieh


    Dr. Hsieh earned his Ph.D. from State University of New York at Buffalo. His graduated study was  More

  • Gary Williams Jones


    After law school, G.W. Jones served as assistant district attorney for Allegheny County, Pa. He is More

  • Michael Machen


    Michael J. Machen is a graduate of Allegheny College and Widener University School of Law. He is a More

  • Richard Mullen


    Mr. Mullen holds a Bachelor’s Degree from Geneva College in Human Resources Management and a More

  • Dr. Hans Mumm


    Retired U.S. Army Capt. Hans C. Mumm, now Dr. Hans C. Mumm, was a mustang, serving eight years in More

  • Kenneth Noble


    Kenneth Noble served honorably in the United States Marine Corps for 21 years as a Military More

  • Charles Noel


    In addition to Cal U, Mr. Charles Noel is also an associate professor of criminal justice and More

  • Patrick Picciarelli


    Patrick Picciarelli is the author of the non-fiction books Jimmy the Wags: Street Stories of  More

  • Dr. Beverly Ross

    Instructor and Director of the Serene Leadership Institute at Cal U

    Dr. Ross has a Ph.D. in International Psychology and completed graduate work in Sociology and More

  • Dr. Mathilda Spencer

    Assistant Professor

    Dr. Spencer has worked in the human services/criminal justice field for more than 30 years. Her More

  • Ashley Thompson


    Ashley Thompson is a detective with the City of Pittsburgh Bureau of Police with 29 years of law More

  • Steven Toprani


    Steven Toprani is a partner in Leech Tishman's Pittsburgh, Pa., office and a member of the More

  • Julie Warnick

    Assistant Professor

    Professor Warnick is a legal specialist who teaches courses pertaining to procedural and More

  • Dr. Christopher Wydra

    Assistant Professor

    Dr. Christopher Wydra is a recently retired detective with 20 years of professional police More