Nathan Baker is a criminal law practitioner who focuses on impaired-driving matters. He also holds the role of standing agent for the Public Prosecution Service of Canada in Peterborough, prosecuting matters under the Controlled Drugs and Substances Act, in addition to his private practice. Since 2012, he has produced the Drug Recognition Exercise/Standardized Field Sobriety Testing Netletter for practitioners to keep them abreast of developments related to drug-impaired driving. He has developed and presents a CPD course in consultation with DRE officers. In 2015, he was a panel member on the Law Society of Upper Canada’s annual Drinking and Driving CPD and authored the paper provided to participants. Nathan received training to conduct SFST and DRE training at seminars in Atlanta and New Orleans in 2014 and 2016, and has also completed the NCDD Mastering Scientific Evidence Course. He believes that the law is often slower to evolve than technology, but hopes to lead the way in adapting law to autonomous vehicles.