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Tim Theiss, Laboratory Relationship Manager, Oak Ridge National Laboratory

Tim has been on the staff at Oak Ridge National Laboratory (ORNL) since 1987 as a research development staff member, a program manager, and a group leader. He has over 20 years of experience in program development and program management at ORNL in various technical areas, primarily related to bioenergy and biofuels, power systems, and reciprocating engine-based power generation.

Since October 2011, Tim has been serving as the laboratory relationship manager or program manager for the U.S. Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy’s Bioenergy Technologies Office. This applied bioenergy program includes research on feedstock supply and logistics, biomass conversion technologies, and the strategic analysis and sustainability of bioenergy. Tim’s work has involved liquid and gaseous alternative fuels, including biofuels for transportation and stationary power applications.

From 2008 to 2012, Tim led ORNL’s Fuels and Engines Research Group, one of the larger comprehensive internal combustion engine research and development groups in the DOE system. He has a master’s degree in engineering mechanics from Virginia Tech and a bachelor’s degree in engineering science and mechanics from Tennessee Tech.


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