Jack Dorsey
Frank Bisignano
TOP 100 LEADERS
24
Jack Dorsey
CEO
Block
Industry : Fintech
23
Frank Bisignano
CEO
Fiserv
Industry : Fintech
Jack
Dorsey , co-founder of Twitter ( 2006 ) with Ev Williams , Biz Stone and Noah Glass , later created Block ( formerly Square ) in 2009 alongside Jim McKelvey . As Block ’ s leader , he drives investments in security , compliance and blockchain to advance economic empowerment . He served as Twitter ’ s CEO twice before its X rebrand .
Frank
Bisignano is a global leader in payments and financial technology . Under his leadership , Fiserv has made significant advancements in new capabilities , accelerating its growth by coupling innovation with scale and operational excellence . Frank will stand down as CEO on June 30 , 2025 , and be replaced by Michael P . Lyons .
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50 fintechmagazine . com