John Sessions

Sessions, John

Position Type:
Faculty
Job Title:
University Distinguished Professor Emeritus
Department:
Forest Engineering, Resources & Management
Office Location:
336 Peavy Forest Science Center (PFSC)
Phone Number:
(541) 737-2818
Fax Number:
(541) 737-4316
CV:
SessionsCV_2026.pdf
Education
Ph.D., Forest Management, 1979 Oregon State University
M.S., Forest Engineering, 1971 University of Washington
M.S., Civil Engineering, 1968 California State University
B.S., Civil Engineering, 1966 University of California, Los Angeles
Educational Background
Registered Professional Civil Engineer: Washington
Research Areas
Engineering for Sustainable Forestry
Forest Operations Planning and Management
Research Interests
  • Forest Modeling
  • Forest Planning
  • Harvesting
  • International Forestry
Developing techniques for transportation planning, tactical forest planning, strategic forest planning, decision support systems for road management, biomass collection and transport.
Bio
During Academic Year 2023-2024: Projects - Biomass Production and Transport Planning, Steep Slope Logging Vehicle Performance, Clean Fuels, Electric and Hybrid Vehicles
Graduate Students:
Selected Publications:

  1. Okolo, C. V., A. Susaeta, J. Sessions, A. Alam, S. Attreya, K. Lyons, and G. Presley. 2026. A Process-Simulation Approach to Scale Feasibility and Cost Structure of Forest-Residue Renewable Diesel Under Feedstock Supply Constraints. Biomass and Bioenergy .Vol 216(2027)109748 published online July 1 2026. https://doi.org/10.1016/j.biombioe.2026.109748.

  2. Sessions, J., R. Zamora-Cristales, R. Macias, A. Susaeta, and F. Marrs. 2026. North American Forest Biomass Supply Chains for Efficient Bioenergy Production: Energies 2026, 19(12), 2772; https://doi.org/10.3390/en19122772.

  3. Zamora, R., C. Kogler, J. Sessions, K. Väätäinen, M. Contreras, R. Alzamora, and R. Spinelli. 2026. Simulation in Forest Engineering: Planning the Next Generation of Forest Operations and Logistics for the Challenges of the XXI Century. Curr. For. Rep. 12, 8 (2026). https://doi.org/10.1007/s40725-026-00268-w

  4. Oyier, P., K. Lyons, J. Sessions, J. Calvo-Amodio, F. Marrs, and S. Brown. 2026. Determining Facial Validity of a Forest Harvest Simulation. European J. of Forest Engr. 12(1):62-69.
    https://doi.org/10.33904/ejfe.1705585.

  5. Gulci, S., J. Sessions, and N. Gulci. 2026. Evaluating and Modeling of Chainsaw Noise Propagation by Using Artificial Neural Network in Selective Cutting. Croation J. of Forest Engineering. 47(1):157-170. Available online at doi: https://doi.org/10.5552/crojfe.2026.4340.