After practicing as an architect and affordable housing consultant in Canada and the UK, Mark now works primarily as an urban revitalization/mixed income/mixed tenure residential development consultant and educator. Over the years, along with managing his own urban design and architecture consulting firm (Mark Guslits & Associates Inc.), he has been a partner with a large Toronto residential development company (the Daniels Group) focusing on affordable housing; special advisor on housing to the city of Toronto (Let’s Build Program); chief development officer for the Toronto Community Housing Corporation, overseeing the initiation and first phase of the Regent Park Revitalization project; and, with HOK Architects, project lead in the development of the Pan Am Athletes Village on Toronto’s Waterfront. He is currently consulting, with clients in Toronto, Vancouver, South Africa and Ireland. Until recently, he was teaching urban design and global development at the Institute Without Boundaries at George Brown College in Toronto, and at the Munk School of Global Affairs at the University of Toronto.