Colorado Department of Pesticide Education Program at Colorado State University

Contact Us



In person:

Plant Science Building Room C211, Colorado State University, Fort Collins Campus

By mail:

Colorado State University
1177 Campus Delivery
Fort Collins, CO 80523

By phone:

970-491-3947 or 970-491-6027



Thia Walker - CEPEP Program Manager

Extension Specialist - Pesticide Safety Education

Thia Walker is the Extension Specialist and program manager for the Colorado Environmental Pesticide Education Program (CEPEP) at Colorado State University. She earned a bachelor’s degree from University Wisconsin – Stevens Point, majoring in Biology with a Chemistry minor, and a master’s degree from Colorado State University in Plant Pathology.  She operated the Plant Disease Diagnostic Lab at CSU from 1984 to 1988.  Since then, Thia has worked for Colorado State University conducting research in Southeast Colorado on Russian Wheat aphid and other emerging insect pests in dryland cropping systems.   Thia returned to the main campus at CSU in April 2010 as the Extension Specialist for Pesticide Safety Education.  She currently holds a Commercial Pesticide Applicator license in Ag Insects, Ag Weeds, Ag Plant Disease, Research & Demonstration, Rangeland Pest Control, Turf Pest Control, and Ornamental Pest Control.


pierce hansen

Program Assistant:

Pierce Hansen is the Program Assistant for the Colorado Environmental Pesticide Education Program (CEPEP) at Colorado State University. He is originally from Omaha, NE and earned his Bachelor of Science degree in Rangeland Ecology and Watershed Management at University of Wyoming, with a minor in Forest Resources. Pierce previously worked as an assistant for the University of Nebraska-Lincoln Pesticide Safety Education Program from 2011 through mid-2014.



Department of Bioagricultural Sciences and Pest Management:    Address   1177 Campus Delivery    Colorado State University     Fort Collins, CO 80523     Voice: 970-491-3947     Fax: 970-491-3862

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