Simon G. Skinner serves as the Vice Chair of the NATO Modelling and Simulation Group (NMSG) which has the delegated authority for setting M&S standards across the NATO alliance, and he also co-chairs a 3-year research task group looking at interoperability standards gaps for digital twins. Simon is the product policy leader for the worldwide Training and Simulation business which operates world-wide. He has worked in the simulation industry for more than 30 years in commercial, technical and managerial roles. He was awarded a commendation for research in 2014 by the UK Ministry of Defence's Chief Scientific Adviser.