This article is designed to help teachers feel more confident in their work with STEM Ambassadors to further enhance enrichment activities. Skills shortages in Science, Technology, Engineering, Maths (STEM) and the Built Environment are well documented, and will continue to be an issue whether people are in a period of recession or recovery. The key message for young people is that a decision to study STEM subjects leads to a wide range of interesting and well-paid careers, inside and outside the STEM arena.