About
Per Fiserv's official management profile, Mr. Gelb earned his MBA from Cornell University and his BA from Oberlin College. He joined First Data (now Fiserv) in 2014 as an Executive Vice President and held a series of senior leadership roles, including longtime head of the Issuer Solutions business. Before First Data, he spent nearly two decades at Citi in senior leadership roles across global markets, last serving as Managing Director and Head of Citi's North America Treasury and Trade Solutions business.
Roles
Fiserv Inc.
Head of the Financial Institutions Group · Current role
2025–present
Fiserv, Inc.
Co-Head of the Financial Institutions Group · Served as Co-Head prior to becoming Head of the group in August 2025.
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Citi
Managing Director and Head of North America Treasury and Trade Solutions · Spent nearly two decades at Citi in senior leadership roles across global markets (per Fiserv official management profile).
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External Roles
Scenic Hudson
Board of Directors
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Also at Fiserv Inc.
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