By City AM reporter Each week we ask a City figure to take a trip down memory lane. Today, we speak to John Andrews, head of London at JMW Solicitors, as the Manchester-headquartered firm celebrates its five-year anniversary in the capital What was your first job?I was a shelf-stacker at my local Sainsbury’s in Hampton, Middlesex. I started at 16 and didn’t leave until I was 21. The pay was just £3.55 per hour but it was very handy during my university days. I had hoped to work for Marks & Spencer – they paid better – but they wouldn’t have me! What was your first role in the legal sector?I co…