Clarence F. Walters has worked in the construction and maintenance industry for more than 25 years. He started his career as a marine technologist/commercial diver working in the offshore oil and gas industry. He transitioned to the paper and printing industry and then to facilities maintenance and management. For the past 14 years he has been employed by the Greater Toronto Airports Authority (GTAA) at Toronto Pearson Airport. Clarence has worked in several roles with the GTAA and is currently the manager of mechanical systems. He leads the reliability team that is responsible for all water distribution, sewage, and plumbing within the terminal buildings and the fire alarm and suppression systems across the airport. Clarence completed his MMP certification in the fall of 2004. He also holds designations in maintenance from OACETT, BOMI, and IFMA, and in sustainability from IFMA.