The most senior non-elected officer of the Corporation of the County of Middlesex is the Chief Administrative Officer (CAO). The CAO directs all administrative services, operations and programs of the County. All department heads within the County report to the CAO.
The CAO represents the County of Middlesex with other public and private agencies with whom the County does business. The CAO also represents the County of Middlesex, along with the Warden, in relations with other municipal governments, provincial officials, or as directed by Council.
Born and raised in North Bay, Ontario, Bill Rayburn has a number of diplomas and degrees in public administration including an undergraduate degree from Queen’s University in Political Science and a Master’s degree in Public Administration from the University of Western Ontario.
Bill started his career as the Chief Administrative Officer of the Town of Cobalt, Ontario at the age of 23. Bill is now a veteran of municipal government after spending the last twenty years guiding the County of Middlesex as the Chief Administrative Officer.
In addition to working with a number of municipalities, Bill led one of the largest pension funds in North America from 1998 - 2005. As a member of the Executive Committee of OMERS since 1998 and the Chair of the Board in 2003, Bill guided the $95 Billion fund through a turbulent and challenging portion of OMERS 40-year history. In addition to guiding OMERS, Bill also lent his expertise to the Municipal Property Assessment Corporation for five years, retiring from the Board as the Governance Committee Chair in 2017.