Grace Hession David articled with the law firm Osler, Hoskin & Harcourt LLP and Imperial Oil Limited in 1991. After articles, she was selected to clerk with the Ontario Court (General Division), as it was in 1992. She was assigned to the criminal long trials team and clerked for Justice Moldaver, as he then was. Clerking on the long trials team resulted in a life-long passion for criminal law. In 1993, Mrs. Hession David was hired as an Assistant Crown Attorney in Thunder Bay where she was the first prosecutor to prosecute a welfare fraud in Ontario and obtain a conviction. Mrs. Hession David served in private practice from 1996 to 2005 and worked with the Ontario Teachers’ Pension Plan as well as Adjudicative Counsel with the Ontario Securities Commission. In 2005, she joined the law firm of Hunt Partners LLP and practised criminal defence until 2011, when she became one of the initial members of the Toronto Crown’s office Specialized Fraud Prosecutions team. Since that time, she has worked with the Guns and Gangs Initiative, under the directorship of Mr. Frederic Braley, as an Assistant Crown Attorney prosecuting fraud and organized crime.Mrs. Hession David has been an active member of the Executive of the Ontario Bar Association Criminal Justice Section since 2011. She has given presentations on the detection and prosecution of fraud to the International Financial Crimes Investigators Conference, the Law Society of Ontario, the Metro Toronto Police College and the Ontario Crown Attorneys at their annual educational sessions.