Empey has worked in the hospital sector since 1990, with senior roles at University Health Network, Peel Memorial Hospital and St. Michael’s Hospital. Prior to his hospital career he was with Northern Telecom. In 2012 he was appointed Adjunct Professor at UOIT. He currently is a guest lecturer at The Ontario Hospital Association, University of Toronto and York University.

Empey has been very involved with the creation of shared services and with the government regarding funding models for hospitals. In 2016 and early 2017 he Chaired the Healthcare Sector Supply Chain Strategy Panel for the Government of Ontario.