Patrick has been a faculty member at the University of Guelph since 1974 (Assistant Professor, 1974; Associate Professor, 1978; Professor, 1984). He was also Professor (1993) of Collaborative International Development, and was Director (2002), Axelrod Institute of Ichthyology. The University Senate elected him University Professor Emeritus, and it was conferred at convocation (2006) by The Honorable LM Alexander, Chancellor.

Selected Research Awards before 1974:
*MRC Post-Doctoral Fellow and Ballard Fellow @ Ontario Veterinary College, Canada
*FAO Andre Mayer Research Fellow: @ East African Trypanosomiasis Research Organization,
Uganda; and @ Serengeti Research Institute, Tanzania
*IDRC Consultant and Visiting Scientist @ Nigerian Institute for Trypanosomiasis Research, Nigeria

Selected External Appointments and Initiatives (1974 - 2017):
*NUS Research Professor, National University of Singapore, Singapore
*CNPq Scholar, Universidade Federal do Rio de Janerio, Brazil
*MEC Research Fellow, Instituto de Acuicultura de Torre de la Sal, Spain
*Research Fellow, Universiti Malaysia Terengganu, Malaysia
*Short-term ( 2 months): Visiting Professor @ 7 universities; Visiting Scientist @ 5 research institutes/universities
*Assessor/Examiner: 3 Academic Programs; 15 Appointment/Promotion Exercises; 19 PhD theses
*Consultancies (12 X) - industry, universities, government agencies
*Research Publications: 198 papers; 33 invited reviews; 53 abstracts
*Editor: 12 books; 3 journals; 1 'special journal issue'
*Founding Treasurer and Trustee, Zoological Education Trust
*Founder, The Roy Anderson Memorial Lecture in Parasitology
*Elected: Fellow, 'Royal Society of Tropical Medicine and Hygiene', UK; Professional Member, The New York Academy of Sciences, USA
*Invited Presentations: 18 Plenary/Keynote and 32 Symposium Lectures @ Conferences
*Recipient, The Robert Wardle Award "... for contributions to Parasitology"