Research Scientist III [AGLS]Advisor: Dr. David Grewell
 Biorenewable Resources and Technology
 Staff | AG & Life Sci Administration Agricultural and Biosystems Engineering Food Science & Human Nutrition Food Science & Human Nutrition - AGLS
Iowa State Staff
 Research Scientist III [AGLS]Advisor: Dr. David Grewell
 Biorenewable Resources and Technology
 Manager CIRAS Business Services [CIRAS]Advisor: Dr. David Grewell
 Agricultural Systems Technology
 MS in IATec
 Extension Program Specialist II [EXTAG]Advisor: Dr. Matt Helmers
 Land and Water Resources Engineering
 MS in ABE
 Manager EngineeringEngineer
 Ames Laboratory Scientist II [A LAB]
Director III
 Ames Laboratory
 Materials Science and Engineering
 Manager Research [BIOTC]Materials Analysis and Research Lab, Office of Biotechnology
 Affiliate Assistant Professor [A&BE]Affiliate Assistant Professor
 Research Scientist III [C B E]Chemical and Biological Engineering

Laboratory Supervisor
 Industrial & Manufacturing Systems Engineering