John Donnellan

John Donnellan is a seasoned professional with extensive experience in the technology and finance sectors. Currently serving as Managing Director at Mizuho Securities, John has previously held positions as a Senior Systems Engineer at Cashpoint Network Services and System Arts, as well as a Systems Analyst at Staten Island University Hospital. This diverse background showcases a strong expertise in systems engineering and analysis, contributing to a well-rounded career in both healthcare and financial services.