Silvia Rondon, PhD, Director, Oregon IPM Center and Interim Director, HAREC

Silvia Rondon is the Oregon IPM Center director, Hermiston Ag. Res. & Ext. Center interim director, and a Professor and Extension Entomology Specialist at Oregon State University affiliated to the Hermiston Agricultural Research and Extension Center and the Department of Crop & Soil Sciences. She received her BA and MS in Entomology from the Agraria University in Lima, Perú, and PhD in Crop Sciences with a major in Entomology and Integrated Pest Management (IPM) from the University of Illinois at Urbana-Champaign. In 2002, she worked as a Postdoctoral Associate at the University of Florida Horticulture Department. In Sept-2005, she joined Oregon State University. Her position description includes Research and Extension and she has managed her Irrigated Agricultural Entomology Program relying on external funding coming from private, international, state, and federal grants. Her area of expertise is IPM with emphasis in insect ecology, insect distribution, population dynamics, insects-plant interactions, biological control, insect-plant pathogens interactions, and chemical control. She has been involved working with multiple commodities groups including potatoes, grass seed, wheat, and high valuable vegetables including onions, sweet corn, and carrots. She has over 123 peer reviewed scientific and extension papers, 9 book chapters, 146 non-peer reviewed publications, and multiple abstracts, and reports. She is an active member of the Entomological Society of America where she is a member of the Division, Equity and Inclusion task force and past Award committee chair; she led the organization of the first Latino/Hispanic Symposium in her professional society, now on its 9th year.   

Len Coop, Associate Professor of Practice, Associate Director of the Oregon IPM Center

Len supports agriculture in general by developing and placing online, weather and climate driven models for numerous areas including IPM/pest models, plant disease risk models, crop models, horticultural models, beneficial species models, climate suitability models, and others. Len is the Associate Director for Decision Support Systems at the Oregon IPM Center and Director of the website USPEST.ORG.





Hans Luh, Assistant Professor (Senior Researcher), Database Development and Management

Hans's research focuses on environmental data management, and particularly software development for integration, analysis, and modeling of heterogeneous environmental data.  He helps Oregon IPM Center scientists manage, process, and analyze agricultural management data. Hans builds and maintains databases to contain the agricultural information, and create web sites for end users to process, analyze, visualize, and interpret data.



Brittany Barker, Research Associate

Brittany earned her PhD in Biology at the University of New Mexico and obtained a B.S. in Zoology at Oregon State University. She uses bioinformatic tools to study how animal and plant population dynamics are influenced by environmental changes resulting from climate change, land use, fires, and invasive species. Her current research focuses on supporting agriculture by developing climate driven models for several invasive insect pests. Before joining the Oregon IPM Center in 2019, she  worked as an Ecologist with the USGS Forest Rangeland and Ecosystem Science Center (FRESC) in Boise, Idaho, and completed a competitive postdoctoral fellowship in the Ecology and Evolutionary Department at the University of Arizona. You may learn more about her work at



Isaac Sandlin, Crop Pest Losses Data Analysis

Isaac earned his B.A. in Journalism and Mass Communication from the University of North Carolina at Chapel Hill, and his M.S. in Botany and Plant Pathology from Oregon State University. Prior to working at the Oregon IPM Center, Isaac was a field botanist for the Army Corps of Engineers, the Institute for Applied Ecology in Corvallis, and the Rae Selling Berry Seed Bank & Plant Conservation Center at Portland State University. At the Oregon IPM Center, Isaac specializes in crop pest losses data analysis, data visualization, survey design, and reporting.




Chris Hedstrom, IPM Communications and Outreach Coordinator

Chris earned his B.S. and M.S. degrees from Oregon State University where he studied entomology and integrated pest management. Before joining the Oregon IPM Center in 2019 he worked for the Oregon Department of Agriculture’s Insect Pest Prevention and Management program in a variety of roles including imaging specialist, biological control specialist and invasive species response coordinator. His interests in IPM include the promotion of biological control and long-term evaluation of IPM techniques. 




Jessica Green, Senior Faculty Research Assistant, VegNet Coordinator.

Jessica holds a M.S. in Horticulture from Oregon State University and has worked as a vegetable crop entomologist at OSU since 2011. She is the program manager for VegNet, a regional crop pest monitoring and reporting system. Jessica enjoys assisting both academia and private industry with field scouting, insect ID, and pesticide applications, and also serves as a section editor for the PNW Insect Management Handbook. She brings practical, field-based expertise to the Oregon IPM Center and will assist the team in deeper investigation about pest dynamics and how agricultural producers might utilize IPM to predict and protect against crop loss.

Affiliated Staff and Faculty

Kaci Buhl, Associate Professor of Practice, Pesticide Safety Education Program Director

Dani Lightle, Assistant Professor, IR-4 Pesticide Registration Research Leader

Sam Angima, Assistant Dean for Outreach and Engagement and former interim Director of OIPMC

Gwendolyn Ellen, Farmscaping for Beneficials and Functional Agriculture Biodiversity programs