John Walker is currently the Senior Director and Head of Global Commercial Legal at Dropbox. Previously, Walker held several roles at Marqeta, including Senior Counsel and Director, Assistant General Counsel. From 2015 to 2022, Walker was part of First Data Corporation, serving as Counsel and then Senior Counsel. Prior experience includes positions as Associate and Partner at Fraser Stryker PC LLO from 2007 to 2014, as well as Senior Counsel and VP, Assistant General Counsel at Fiserv from 2019 to 2022. Walker earned a Doctor of Law (JD) from the University of Iowa College of Law and holds a BA in Psychology from Yale University.
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