Bob Stewart (New York) joined Prisma in 2016 and is a member of the Portfolio Management team, with a specific focus on leading the Prisma Apex Equity strategy. Prior to joining, he worked at JP Morgan as head of Program Trading. Previously Mr. Stewart worked in similar program and quantitative trading roles at Lehman Brothers. He began his career at Goldman Sachs in the Equity Derivatives group in Tokyo and later in London. He has worked extensively in New York, London and Tokyo. Mr. Stewart earned his MSc in Mathematical Economics from the London School of Economics and degrees in Physics and Electrical Engineering from the University of Michigan.