Cerium Testing LLC is a Florida, USA company founded in 2007.

John Washington, Ph.D. has a Ph.D. in Plant Pathology from the University of Florida, an M.S. in Entomology from the University of California, Riverside, and a B.S. in entomology from Michigan State University. He has diverse experience and expertise in the agricultural industry across North, Central, and South America. He has worked across many crops including row crops, vegetables, tree crops, tropical plantation crops (banana and pineapple), and turf & ornamentals. He is a superb forensic pathologist and crop damage specialist.