Agents in the Long Game of AIBy: Marjorie Mcshane, Sergei Nirenburg, Jesse English Three experts offer a novel approach to hybrid AIwhich combines machine learning with knowledge based processingaimed at developing trustworthy agent collaborators. The vast majority of current AI relies wholly on machine learning (ML). However, the past thirty years of effort in this paradigm have shown that, despite the many things that machine learning can achieve, it is not an all purpose