Jiri is best known for creating and developing Green Globes environmental assessment tools, which include modules for design of New Buildings, Sustainable Interiors, and Operation and Management of Existing Buildings (BOMA Canada/ GBI US), University Campuses (APPA) and Building Intelligence Quotient (BIQ). These assessment modules have been adopted and are promoted in North America by various organizations such as Green Building Initiative (GBI), BOMA Canada, CABA and APPA. For 11 years he was a Managing Director of Sustainability with JLL where among other, numerous projects he was responsible for the Smart Building contract with the Public Services and Procurement Canada (PSPC). As an architect and planner, Jiri has contributed to Toronto’s skyline. He was senior designer with Bregman and Hamann Architects of Toronto, and Master Planner for the Brookfield Place in downtown Toronto. In the 1990s he ran the Paris office of Santiago Calatrava.
Jiri has been involved in many international sustainable community activities throughout his career. He was a founding participant in Solar Research and Development at Milton Keynes Development Corporation, in England, and designed the first active solar house in the U.K. With the Llewelyn-Davies International he was a Planning Consultant to the governments of the Sultanate of Oman and Qatar on community development and government land use policies. In Saudi Arabia, he designed the new town of Jizan and was the Chief Urban Designer for the King Abdulaziz University, Jeddah and the Urban Designer for the City of Edmonton.