Jonathon Fletcher is a professional in their field. Colleagues describe him as "I worked for Jonathon at a point where Equities realized that trading algorithms were actually a strategic part of trading as much as technology about 2 years before the financial crisis. Jonathon was a key player in a management group that helped change the mindset at Citi at the time. Jonathon helped shape the platform and approach to automated trading for Citi, he had the right blend of quant, tech, trading knowledge coupled with understanding how to get things done in a large… Show more" and "Jon was my team mate, mentor and manager for the 18 months I worked in Hong Kong, ending March 2012. Together with the help of our team mate, Keita, we built Japanese cash equity market making strategies for Citi. I've had the privilege to work with many world class traders and developers, and Jon is unquestionably one of the brightest, most passionate and intellectually honest individuals I have worked with. He is an electronic and quantitative trading polymath who cares… Show more"