Serdar Kenan Gul's research interests include police management, performance appraisal, comparative criminal justice, and quantitative research methods. After working at different units of the Turkish National Police Organization as a ranking officer for almost 15 years, Dr. Gul is currently an associate professor and researcher at the Center for Security Management and a faculty member at the College of Security Sciences at Turkish National Police Academy. He teaches human resources management, public administration, and police management courses. He is also editor for the Turkish Journal of Police Studies, a peer-reviewed scientific journal. Paul O'Connell has been a full-time member of the criminal justice faculty at Iona College in New Rochelle, New York, since 1994. He began his professional career in criminal justice in 1981, serving the New York City Police Department (NYPD) first as a police officer, and then as a police academy instructor, in-service trainer, and curriculum developer. After receiving an MPA and JD, he worked as a trial attorney. He teaches at both the undergraduate and graduate levels, conducts funded research, and lectures widely on the topics of police performance measurement, integrity management, and law enforcement training systems.