Dr. Ian R. Tizard is University Distinguished Professor of Immunology Emeritus at Texas A&M University (TAMU). He earned his Bachelor of Veterinary Medicine and Surgery and Bachelor of Science in Pathology from the University of Edinburgh, Scotland, and obtained his PhD in immunology from the University of Cambridge. After completing his studies, Dr. Tizard became a postdoctoral fellow at the University of Guelph, where he was awarded an honorary DSc in 2012 and he remained there as a professor until 1982 when he moved to TAMU. From 1999 until his retirement in 2017, Dr. Tizard had been the Richard M.

Schubot Chair in Exotic Bird Health at the Schubot Exotic Bird Health Center, where he was a leader in the research of proventricular dilatation disease and avian bornavirus infection. He has authored the standard textbook on veterinary immunology since 1977, which is now in its 10th Edition and has been translated into eight languages. Dr. Tizard has taught immunology and "Great Diseases" for about 25 years.