PPO Community
Welcome
Welcome to the webpage about our community in the Ornamental Plant Pathology Program!
The PPO community is dynamic and full of diverse interests. We have many projects to advance knowledge and meet the needs of our stakeholders. Visit the PPO website to learn more about our research.
You are welcome to contact us individually or use the webform at the bottom of the page to send a broader inquiry.
Personnel
Principal Investigator
Dr. Gary Chastagner
Professor and Extension Specialist
Department of Plant Pathology
253-445-4528
Email
Faculty Profile
Lead Research Associate
Dr. Marianne Elliott
Research Associate
253-445-4596
Email
Research Projects: Pacific madrone, Sudden Oak Death management and education, Phytophthora biology and biocontrol, steam sanitation, stream monitoring, citizen science, and more.
Postdoctoral Scholars
Dr. Joseph ( Joey ) M. Hulbert
USDA-NIFA Postdoctoral Fellow
253-445-4601
Email
Personal Website
Research Interests: forest health, climate change, indigenous-plant pathology, Phytophthora diversity, citizen science, and public engagement.
Field and Lab Technicians
Full Time

Carmen Barkley
Research Technian
253-445-4601
Email
Stephen Harvey
Plant Technician 2
Email
Part Time

Heather Jeffreys
Service Worker
Email
Image coming soon
Maddie Drennen
Technical Assistant
Email

David McLoughlin
Service Worker
253-445-4510
Email
Image coming soon
James DeNeui
Service Worker
Email
Image coming soon
Don Sherry
Professional Worker
Email

Travis Bonnette
Service Worker
253-445-4623
Email
Image coming soon
Allison Casciola
Technical Assistant
Email
Program Alumni
Below is a list of previous members of the PPO Community
Former Students under primary mentorship from Dr. Chastagner
- Anna Leon
- Andrea Garfinkel
- Katie McKeever
- Lucy Rollins
- Norman Dart
- William Hammer
- Ellen Goheen
Research Staff
- Katie Coats
Technicians (since 2020)
- Allison Bachner
- Baley Porter
- Kaitlyn Shrader
- Kristin Wenzen
- Brit Maguire
Postdoctoral Research Associates
- Dr. Thomas D. Whitney
Visiting Scholars
- Information coming soon
Join our Community
Interested in joining our program?
Visit our Jobs, Internships, and Volunteer Opportunities webpage for information about the available positions.
Support the PPO Program
Increase our impact
You can help support our program by making a tax-deductible gift to our WSU Foundation Account. Find out more here.
Contact Us
WSU Puyallup Research & Extension Center, 2606 West Pioneer, Puyallup, WA, 98371-4998 USA
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