Certified Energy Manager (CEM)

Ed Rubinstein

Ed Rubinstein is the Energy & Environment Manager at the University Health Network. He’s been leading the hospital’s many environmental programs since 1999 and has helped UHN become a leader in greening health care.

Both UHN and Ed’s leadership in the field of “greening health care” have been recognized by several awards, including from the Ontario Hospital Association, Natural Resources Canada, Practice Greenhealth, and the Canadian Council of Ministers for the Environment.

Emily Thorn Corthay

Emily is a Professional Engineer, Certified Energy Manager and Certified Measurement and Verification Professional with a Master’s degree in Mechanical Engineering and over fifteen years of energy engineering as well as people and project management.  Emily is President of Thorn Associates, an energy and carbon management consulting corporation, and past Director of Energy Optimization and Management at Hatch Ltd., a 10,000 employee international engineering consulting firm. In addition, Emily is an elected Director of the Board and Chair of the Ontario Society of Professional Engineers (OSPE’s) Energy Task Force as well as a member of OSPE’s Audit & Finance committee.   

A Laureate of the RelèveTO Young Professional Award, Emily has acted as project manager, technical reviewer and energy engineer for over 70 industrial energy projects, including energy audits, energy design reviews, energy efficiency improvement projects, energy management information system studies and implementation. Emily was also a team member for Canada’s first pilot program aimed at helping companies achieve the ISO 50001 energy management standard. She began her career with five years in the fuel cell industry.

Jon Feldman

B.Sc. Eng. (Chem.), CEM, CEA, CMVP

Jon Feldman is the Senior Technical Officer for Industrial Energy Efficiency at the IESO. In this role, Jon is responsible for all technical aspects of the current and future industrial programs. He also provides leadership and guidance on industrial energy efficiency measures, energy management, Strategic Energy Management and ISO 50001, to the Energy Efficiency Department.  

In 2020 Jon became only the 2nd Canadian to be inducted into the AEE’s Energy Manager Hall of Fame; the Association’s highest honor.

During the period 1997-2009, Mr. Feldman was a consultant for Hatch Ltd, where he conducted approximately 100 energy audits and energy management assessments at a broad range of commercial, institutional and industrial facilities.

Jon currently serves as a member of AEE’s CMVP Board, CEA Exam Committee and is a charter member of AEE’s ISO 50001 Certification Board. He was the recipient of the AEE Canada Regional Award for Energy Professional Development in 2016, and is a regular contributor to the AEE World Conference as both a session chair and presenter.

Jon holds a Bachelor of Chemical Engineering from the University of Cape Town in South Africa. He is a former CMVP Instructor, and is the longest serving instructor on the Canadian CEM panel, having taught close to 50 classes and over 1,200 students.