Tim Luce has been leading a research group on the DIII-D tokamak machine for more than 10 years and was a member of the DIII-D team for 25 years before that. He is author or co-author of more than 400 referenceable scientific publications and is the first author of 50. He has 35 years’ experience in fusion research on nine tokamaks and two stellarators (nine outside the US). Since 2015, he has been Chair of the Integrated Operation Scenarios Topical Group within the International Tokamak Physics Activity (ITPA), of which he was co-chair from 2012 to 2014. He was also chair or co-chair of the ITER Research Plan Working Group on First Plasma and Pre Fusion Power Operation Phase (2016-2017). He is well known in the fusion community as a brilliant scientist and an excellent manager.