Professor George Turnbull is a retired university lecturer, engineer and entreprenuer that during his working life earned a PhD, worked as an engineer and founded 3 companies, one of which manufactured photochromic glasses. He's also a legend in the STEM Ambassador world, volunteering at well over 70 activities (as a conservative estimate!)
In George's episodes, he gives key messages about the importance of gaining some experience outside of school, establishing your skillset finding what makes you happy.