Alexander Penlidis of the University of Waterloo is an outstanding educator, researcher and practitioner who is an internationally recognized authority in polymer reaction engineering.  His fundamental and applied contributions to modeling and control of polymerization processes are used by the industrial and research communities worldwide.  As an educator and engineer he has received awards for excellence in teaching, for excellence in research and for his numerous contributions to the technical literature.  He has also made major contributions to the profession through his many activities in societies and editorial boards both national and international.