Career in the Ontario Ministry of the Attorney General
Kenneth L. Campbell spent his entire pre-judicial career in the Ontario Ministry of the Attorney General, where he served in progressively senior roles within the Criminal Law Division over a period spanning at least fifteen years.
In 1999, he was promoted to Deputy Director (listed as "Deputy Director App Assign" that year), continuing in the Deputy Director role through 2000 (OpenGovCA salary records).
By at least 2005, he had risen to the position of Director, Crown Law Office -- Criminal, the senior leadership role overseeing criminal prosecutions and Crown counsel at the provincial level within the Attorney General's Criminal Law Division (Criminal Law Notebook -- Superior Court of Ontario).
He served as Director, Crown Law Criminal from approximately 2005 to 2011, appearing on the Ontario Sunshine List in that capacity in 2008 (salary of $205,928.50) and 2010 (salary of $199,595.30) (2008 Ontario Sunshine List).