Summer 1958 Instructor, RCAF Station, Clinton.
Summer 1959 Officer i/c Theory Training, RCAF Station, Clinton, Ontario.
1962-63 Lecturer, Royal Military College, Kingston.
1963-65 Assistant Professor, Royal Military College, Kingston.
1965-67 Member of Technical Staff, Bell Telephone Labs, Murray Hill, N.J.
1967-69 Assistant Professor, Erindale College, University of Toronto.
1969-77 Associate Professor with tenure, Erindale College, University of Toronto.
1970-72 Associate Dean, Erindale College, University of Toronto.
1972-76 Vice Provost, University of Toronto.
1977-78 Professor, University of Toronto.
1978-85 President, University of Prince Edward Island.
1978- Professor, University of Prince Edward Island
A. Slavin "Oscillatory Magnetostriction of Copper and Tin conductors" - M.Sc. Thesis, 1969.
S. E. Moore "Point Contact Tunneling Below 4.2K" - M.Sc. Thesis, 1970.
E. S. Vittoratos "Dilatational Properties of Pure Zinc and Zn (Mn) Alloy, Invar, and Magnetite" - M.Sc. Thesis, 1970.
A. Deschesnes "Studies of the Absorption of Helium on Tungsten" - M.Sc. Thesis, 1971.
H. Willemsen "The Stress Dependence of Electronic Properties in Axial Metals (Zn)" - M.Sc. Thesis, 1972
V. Novotny "Surface and Size Effects in the Specific Heat of Solids" - Ph.D. Thesis, 1972
L. C. Ho "The Effect of Scattering at the Normal Super-conducting Interface on the Magnetic Resistance of a Type I Super-conductor (Tin)" Ph.D. Thesis, 1973.
S. E. Moore "Point Contact Tunneling in Superconductors" Ph.D. Thesis, 1974.
E. S. Vittoratos "Surface Profile of a HeII Film on a Rotating Substrate" - Ph.D. Thesis, 1974.
H. W. Willemsen "Thermal Expansion Near Structural Phase Transitions"- Ph.D. Thesis, 1975.
MEMBERSHIPS ON COUNCILS, TASKFORCES, BOARDS ETC.
Chair, Council of Ontario Universities Task Force on Organization for Sharing Computer Services, 1973-74.
Chair, Presidential Task Force on Relations between the Faculty of Education and the Ontario Institute for Studies in Education, 1973.
Chair, University Task Force on Administrative Information Systems, 1973-74.
Chair, University Task Force on Environmental Studies, 1973.
Chair, President's Working Group on the Library,1974.
Chair, University Student Information Systems Steering Committee, 1974-76.
Chair, University Committee to Correct Anomalies in the Remuneration of Graduate Teaching Assistants.
Chair, University Committee on the Employment Conditions of Full-Time Women Faculty.
Member, Board of Trustees of Educom, 1975-78.
Member, Computer Services and Facilities Coordination Board of the Council of Ontario Universities, 1972-76.
Member, Board for Library Coordination of the Council of Ontario Universities, 1973-76.
Member, University-wide Committee on University Governing Structure, 1970.
Member, University Senate, 1969-72.
Member, Council of the Association of Commonwealth Universities, 1979-1983.
Member, Board of Governors, Ryerson Polytechnical Institute, 1974-78.
Member, Board of Governors, Holland College, 1978-1985.
President, Chairman of the Board of the Institute of Man and Resources, 1978-82.
Chair, Association of Atlantic Universities, 1979-81.
Member, Executive Committee and Board of Directors of the Association of Universities and Colleges of Canada, 1979-1984.
Member, National Library Advisory Board, 1980-1986.
Chair, National Library Advisory Board, 1982-1985.
Chair, Organizing Committee for the 1979 Annual Solar Energy Society of Canada Inc. Conference, University of Prince Edward Island, Charlottetown, P.E.I.
Chair, The Group of 78, 1988-1990.
Member, Nova Scotia/Prince Edward Island Regional Committee of HRH The Duke of Edinburgh's Fifth Commonwealth Study Conference,1980.
Member, Canadian Environmental Advisory Council, 1980-83.
Member, Canadian Military Colleges, Minister's Advisory Board, 1980-1986.
Member, Canadian Military Colleges, Faculty Review Board, 1981-1986.
Elder, Trinity United Church, 1981-1985.
Member, Imapro Board of Directors, 1982-.
Member, Rotary Club Board of Directors, 1983-1985.
Member, Board of Trustees, National Institute of Nutrition, 1984-1985.
Member, Advisory Board, Institute of Island Studies 1990-1995.
Chair, Small Islands Research Committee.
President, PEI chapter, Royal Commonwealth Society 1993-95.
Chair, Imapro board 1995-.