Denis Shackel

Professor, Management Communications at Ivey Business School


Ivey Business School

Denis taught elementary grades in New Zealand (1963-1969) while earning his B.A., Diploma of Teaching, Diploma of Education and M.A. (First Class Hons.). He completed his Ph.D. in School Psychology at Ontario Institute for Studies in Education (University of Toronto) where he taught Educational Psychology from 1971 to 2000. He was honoured as the Professor of the Year (2000) when he retired from O.I.S.E. and moved to London. He was similarly honoured when he received the highest U.W.O. Teaching Award following his first year teaching at Ivey [2004]and the same award again in 2010.

His outstanding teaching record has led to his being selected as "Leader In Faculty Teaching" [LIFT] by the Ontario Ministry of Training, Colleges and Universities in July 2007.

He has been President of his management consulting company (Unlocking of Talents) since 1978 and has presented numerous workshops to managers in business, industry and government agencies around the world. The Canadian Management Centre and the American Management Association describes Denis as: " A creative, courageous and energetic visionary who radiates a positive professional presence with confidence and humility…a truly world class educator".


  • Leadership
  • Human Resource Development
  • High Performing Teams
  • High Impact Communication
  • Ethics
  • Effective Presentations
  • Influence and Persuasion


  • HBA2 Creativity and Leadership
  • MBA/HBA1/EMBA Management Communications
  • MBA and HBA2 Business Leadership
  • MBA and HBA2 Advanced Presentation Skills
  • EMBA Contemporary Issues in Business
  • Executive Education


  • Psychology Intern, Hincks Treatment Centre, Toronto. 1970-1971
  • Lecturer, Faculty of Education, Toronto. 1971-1973
  • Assoc. Professor, Faculty of Education, Toronto. 1973-1977
  • Gestalt Therapist Training, 1975-1978
  • Chair, Educational Psychology, Univ. of Toronto, 1977-1984
  • Professor, Ontario Institute for Studies in Education, U. of Toronto, 1982-2000
  • President, Unlocking of Talents: Management Consultants, 1975-present
  • Board member, Hanaar Corporation
  • Full Professor, Management Communications, 2003- present

Research/Course Development

  • Management Communications
  • Business Leadership
  • Hi-impact presentations
  • High Performance Teams
  • Influence and Persuasion Skills


Read about executive education

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