Lars Waldheim (M. Sc. Chem. Eng. KTH, Stockholm) is currently an independent consultant in the field of thermal engineering, biorefining and renewable energy. He has extensive experience in the field of gasification working at the national energy R&D center, Studsvik Energiteknik AB. He was one of the founders of TPS Termiska Processer AB in 1992 responsible for the gasification area and later became the company’s CTO.