This chapter delves into the methodology of collecting expert judgement in the AI and the Future of Skills project. It provides an overview of the project's journey in refining its methodology and discusses associated challenges and considerations. The chapter begins by exploring the different methods of expert knowledge elicitation based on the research literature and discusses their relevance to the project. It then addresses key questions such as the number of experts required for reliable assessments, the framing of tasks for experts, and the aggregation and interpretation of expert judgements. The chapter concludes by offering points of consideration for the project's long-term trajectory.