FBI Department Of Justice 2008 lapel pin police IACP Conference Shipped with USPS First Class. The International Association of Chiefs of Police (IACP) is the world’s largest and most influential professional association for police leaders. With more than 31,000 members in over 165 countries, the IACP is a recognized leader in global policing, committed to advancing safer communities through thoughtful, progressive police leadership. Since 1893, the association has been serving communities worldwide by speaking out on behalf of law enforcement and advancing leadership and professionalism in policing worldwide. The IACP is known for its commitment to enhancing community safety by shaping the future of the police profession. Through timely research, programming, and unparalleled training opportunities, the IACP is preparing current and emerging police leaders—and the agencies and communities they serve—to succeed in addressing the most pressing issues, threats, and challenges of the day. The IACP is a not-for-profit 501c(3) organization headquartered in Alexandria, Virginia. The IACP is the publisher of The Police Chief magazine, the leading periodical for law enforcement executives, and the host of the IACP Annual Conference, the largest police educational and technology exposition in the world. IACP membership is open to law enforcement professionals of all ranks, as well as non-sworn leaders across the criminal justice system.