Brian Grassadonia has served as Block's Ecosystem Lead since August 2024, having previously served as the CEO of Cash App (formerly referred to as Cash App Lead) since January 2013. From May 2012 to January 2013, Mr. Grassadonia served as the company's Director of Product Development, as well as its Director of Growth from February 2011 to May 2012. He joined the company in September 2010 and served as Product Manager until February 2011.
Mr. Grassadonia currently serves on the board of directors of a privately held company. He holds a Bachelor of Applied Science (BASc) in Management Science from the University of California, San Diego.