Ian Oliver, QPM, is a former police officer, author, speaker and international consultant for the United Nations. He served as Chief Constable of Scotland's Central and Grampian Police. Since leaving the police force, he has worked as a consultant and speaker on the issues of drugs, terrorism and trafficking. He is a published author, a board member of the International Scientific & Medical Advisory Forum on Drug Abuse, an appointed life member of the International Association of Chiefs of Police and an elected Member of the Institute of Global Drug Policy. Oliver is the father of Craig Oliver, the current special adviser to David Cameron's government.