I'm wondering if it is possible to re-enter a university role after 20 years working in the city. My background is a PhD in engineering, but I pursued a career in stockbroking after this. I am now completely fed up with the city culture and would love to perhaps become a lecturer in finance/statistics. I just can't figure out how to do this. Do I need to do a masters perhaps? Will my financial expertise be of value to a department in finance/economics?