Peter Keen is currently seconded as Regional Counsel with Ontario’s Ministry of the Attorney General. He was called to the bar in 2002, then earned an LLM from Cambridge University before becoming an Assistant Crown Attorney. He has authored numerous publications and conference presentations, with his work on third party records law being cited by the Supreme Court of Canada. He has presented at the Law Society of Ontario’s annual drinking and driving conferences for many years. He and Karen Jokinen began writing writing Impaired Driving and other Criminal Code Driving Offences, in February 2017. Half way into the book, they had to restart due to the numerous changes introduced by Bill C-46. He has prosecuted numerous homicide, dangerous offender, sexual offence and complex cases, and acts as a regional resource in drinking and driving cases. He has extensive trial experience dealing with criminal code driving offences. He is often involved in training Crown prosecutors, is a regular presenter at legal education conferences, and is working with Law Society of Ontario to develop their criminal law continuing professional development curriculum.