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Advanced Silviculture for the Practicing ForesterGraduate Certificate


Ethan Bucholz

Ethan Bucholz is the Academic Liaison and Experiential Learning Specialist for WCNR and the Colorado State Forest Service. He enjoys working with foresters and academics to provide guidance in science-based silvicultural practices, specifically considering preparing Colorado forests for climate change. He holds a BS in natural resources from The University of the South, an MS in forestry from North Carolina State University and a PhD in forest science from Northern Arizona University.

Seth Ex

Seth Ex is assistant professor of Silviculture in the Department of Forest and Rangeland Stewardship at Colorado State University. He has taught classes in silviculture and forest management at undergraduate, graduate, and continuing education levels since 2014. His research background is in quantitative silviculture and forest production ecology, with emphases on fuels management, uneven-aged management, and tree regeneration in managed stands.

Sonya Le Febre

Sonya Le Febre is the graduate program coordinator for the Department of Forest and Rangeland Stewardship and advisor to students in the Master of Natural Resources Stewardship degree program. She holds an M.S. and Ph.D. in Rangeland Ecosystem Science from Colorado State University, and a B.S. in Biology from the New Mexico Institute of Mining and Technology. Dr. Le Febre teaches introductory graduate seminars and courses in ecology.

Linda Nagel

Linda Nagel is Professor of Silviculture and Department Head of Forest and Rangeland Stewardship at Colorado State University. She was previously on the faculty at the University of Minnesota and Michigan Tech where she directed and taught two modules as part of the National Advanced Silviculture Program for 15 years, including a local silviculture module. She currently serves as the national lead for the Adaptive Silviculture for Climate Change Network.

Courtney Peterson

Courtney Peterson is a Research Associate in the Forest and Rangeland Stewardship Department and coordinator and instructor for the Advanced Silviculture Certificate. Her primary role is to serve as the Adaptive Silviculture for Climate Change (ASCC) Network coordinator where she focuses on disseminating ASCC project findings and translating them into outreach and training opportunities with land managers and scientists working to manage forests for climate change adaptation. Courtney is also a climate adaptation specialist with the Northern Institute of Applied Climate Science (NIACS) where she supports partners through assistance in climate science communication and adaptation planning, resources, and training.

Wilfred Previant

Wilfred Previant is an Assistant Professor in the Department of Forest and Rangeland Stewardship at Colorado State University. Drawing upon his extensive field experience in the Great Lakes, Interior West, and Pacific Northwest forests and landscapes, Wilfred builds around case-studies to help connect students to their interests. Wilfred’s research includes forest inventory, monitoring analysis, sampling techniques, silviculture, forest refugia, and carbon management.