DELBERT GROTEWOLD, P.E., is a renewable fuels subject matter expert in the fuel production industry with Veolia Water Technologies & Solutions in Boulder, CO. He has held roles in research, process engineering, operations management, technical marketing, strategic product development, and commercial operations. His areas of expertise are in refinery process design, unit operations troubleshooting, membrane separation technologies, heavy and tight oil processing, advanced modeling, statistical process control, data management, and water reuse. Grotewold holds five patents in the refining industry, including applied artificial intelligence modeling and refinery process control. He has presented and published over 30 papers in the fuel production industry. Grotewold holds a BSc in chemical engineering, a BSc in petroleum refining engineering, and a BSc in mathematics and statistics from the Colorado School of Mines. He is a registered Professional Engineer with 40 years of experience with operating companies and refinery treatment providers.