Rob Horne is the Commissioner of Planning, Housing and Community Services for the Region of Waterloo. His responsibilities include land use, transportation and transit planning, growth forecasting, regionally-owned cultural sites, township libraries and community housing. Oversight of the Region's Growth Management Strategy and the Rapid Transit Initiative are a part of the Department's mandate as well. Mr. Horne also serves as the Chief Executive Officer of the Region of Waterloo's Community Housing Corporation, and the Region of Waterloo Library system.

Mr. Horne possesses over twenty years of municipal experience and a working background at senior government levels and in the private sector. He is active in many organizations, including the Association of Municipalities of Ontario and the Waterloo Region Home Builders Association

Mr. Horne holds undergraduate and graduate degrees from the University of Waterloo, a diploma in Public Administration from the University of Western Ontario, and is a Registered Professional Planner.