Ferris State Alumni Association
420 Oak Street, Big Rapids
(231) 591-2345
John Trestrail graduated with honors obtaining a Bachelor of Science degree in Pharmacy
from Ferris State University in 1967. From 1967-1968, he attended graduate school
in the College of Pharmacy at The Ohio State University majoring in natural product
chemistry. He followed his education by serving with the United States Peace Corps
from 1968-1970 where he taught chemistry in the College of Agriculture at the University
of the Philippines. During his time in the Philippines he was also involved with the
provision of public health education and medical aid to the Mangyan tribe on the island
of Mindoro.
Trestrail is recognized internationally as the foremost authority on criminal poisoning and murder by poison. He currently serves as the director of the Center for the Study of Criminal Poisoning in Grand Rapids, Mich. and has served as an expert consultant in many criminal poisoning investigations to law enforcement and attorneys.
As the author of numerous books and articles on the topic of criminal poisoning and toxicology, he has given many seminars over the years on “Murder by Poison!” and “Poisoners Throughout History” which have been received with wide acclaim by audiences throughout the United States, Canada, Europe and Asia.