Casey Klyszeiko

Casey Klyszeiko is an experienced executive in the finance and payments industry, currently serving as EVP and Deputy Head of Network, Acquiring and Payments Products at American Express since October 2025. Previously, Klyszeiko held several senior positions at Fiserv, including SVP & GM of Global e-Com and the Carat Platform, where responsibilities included overseeing the P&L for the global enterprise merchant business. Additional roles at Fiserv included SVP of Strategic Growth & Ventures. Prior to Fiserv, Klyszeiko worked at Visa as SVP and Global Head of Visa Direct Sales, as well as in various vice president roles focusing on merchant strategy and business development. Klyszeiko started a career at American Express, progressing from Director of Merchant Business Development to Senior Manager in Card Product Management. Educationally, Klyszeiko holds a Bachelor of Science in Economics with a focus on Finance and Risk Management from The Wharton School.