Jon Rio Jon has lived in central Birmingham since 2006, having moved from the South West. Jon studied Economics at the University of the West of England, and now works at a trade credit insurer as a Senior Credit Analyst. He was diagnosed with myasthenia gravis in 2009 whilst training for the London Marathon and had a thymectomy the following year. Since then, his condition has stabilised with the right medication, he has completed a further 3 marathons and numerous half-marathons, 10km races and obstacle courses. Jon has been a member of myaware for several years and raises money annually for the charity.