Don C. Johnson, CLI, CII has over 20 years experience as a professional investigator. He is the founder and owner of Trace Investigations in Bloomington, Indiana, a private investigations firm serving south central Indiana's business and legal community since 1990.

Indiana’s first Certified Legal Investigator™, he is a past president of the Indiana Society of Professional Investigators and edits The NCISS Report, the quarterly journal of the National Council of Investigation and Security Services.

Johnson has received numerous awards since entering the field. In 1997, he received an Editor-Publisher Award from the Indiana Society of Professional Investigators, for his work on the association’s newsletter, The Indiana Investigator. In 1998, the National Association of Legal Investigators awarded Johnson its first-place Editor-Publisher Award for his article entitled "Suicide Investigation," which appeared in NALI’s journal, The Legal Investigator. In 2003, Mr. Johnson was awarded NCISS’ prestigious Wayne Wunder Memorial Award for distinguished service to his profession.

A well known association delegate, writer and lecturer, Mr. Johnson is also a member of the National Association of Legal Investigators, the Council of International Investigators and an associate member of the Association of Certified Fraud Examiners. He is the editor of PI Magazine, the Journal of Professional Investigators, and a contributing author to three books published by Lawyers & Judges Publishing Company, Corporate Investigations, Advanced Forensic Civil Investigations and Advanced Forensic Criminal Defense Investigations.

In 2001, Mr. Johnson was appointed by the governor of Indiana to the Private Detective Licensing Board, a division of the Indiana Professional Licensing Agency in Indianapolis, and he was elected president of the licensing board in January 2004. He is a former intelligence analyst with the U.S. Air Force Security Service, now known as the Air Intelligence Agency.