Andrew J. Connidis was born in London, England in 1926. In 1942, at the age of sixteen, he received a scholarship to study at Regent Street Polytechnic School of Achitecture in London. His studies were interrupted in 1946 for military service. He returned to his studies in 1948, receiving his Diploma in Architecture in 1950. In 1952, Connidis emigrated to Canada where he worked with several firms before founding his own practice in Kingston, Ontario, in 1960. In 1967, while maintaining his private practice, he collaborated with Wasteneys and Stern, Architects of Toronto to found the firm of Connidis, Stern, Wasteneys with offices in both Toronto and Kingston. Connidis remained active in both firms until 1974 when he left Kingston to join the Department of National Defence as Project and Production Officer. In 1975, he joined Public Works Canada where he was actively involved in promoting the application of thermography to building design and construction. In 1979, he joined the Technical Services Branch of Correctional Service Canada and, in 1982, briefly returned to Public Works Canada before joining the Bank of Canada in 1983 as Building Consultant. He retired in 1990. Connidis is a member of the Ontario Association of Architects, the Royal Achitectural Institute of Canada, and an associate of the Royal Institute of British Architects. He was married in London, England, in 1949, to Dr. Ingegjerd Lilla Arnet. They have seven children.
