ACI Worldwide Inc - Company Profile
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The following section provides information on ACI Worldwide Inc’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into ACI Worldwide Inc's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
Adalio T. Sanchez
Chairman Executive BoardMr. Adalio T. Sanchez has been the Chairman of the company since 2022. Currently, he also serves as the President at S Group Advisory, LLC. Prior to this, he served as a Director of Quantum Corp from 2017 to 2019. Previously, he served as the Senior Vice President of the Lenovo Group Ltd from 2014 to 2015. Mr. Sanchez also served as the Chief Executive Officer at Quantum Corp from 2017 to 2018. He served as a Directors of Avnet, Inc., Snap One Holdings, Corp.
Thomas W. Warsop
President; Chief Executive Officer; Director Executive BoardMr. Thomas W. Warsop has been the Chief Executive Officer, President and Director of the company since June 2023. He also serves as a Director of One Call Care Management. Previously, he served as the President at Fiserv, Inc from 2007 to 2012. Prior to this, he led various portfolio companies for several leading private equity firms in 2012, including One Call Care Management, York Risk Services Group, and The Warranty Group. He also served in various positions at Electronic Data Systems for 17 years, including President of Business Process Outsourcing unit in Asia Pacific, Vice President in the UK, and Vice President of Global Financial Services.
Robert Leibrock
Chief Financial Officer Senior ManagementMr. Robert W. Leibrock has been the Chief Financial Officer on July 1, 2025. Prior to this, Mr. Leibrock served as Senior Vice President, Chief Operating Officer, and Chief Financial Officer at Red Hat. Previously, he spent nearly 20 years in senior roles across the finance and software organizations, most recently serving as Corporate Assistant Controller at IBM.
Dennis P. Byrnes
Chief Legal and Risk Officer Senior ManagementMr. Dennis P. Byrnes has been the Chief Legal and Risk Officer of the company since 2003. Prior to this, he served as an Attorney in Bank One Corporation’s technology group from 2002 to 2003. Mr. Byrnes served as an Attorney at Sterling Commerce, Inc. from 1996 to 2002 Previously, he served as an Attorney with Baker Hostetler from 1991 to 1996.
Praveena Nathawat
Chief Human Resources Officer Senior ManagementMs. Praveena Nathawat has been the Chief Human Resources Officer of the company since May 2024. Prior to this, she served as the Chief Human Resources Officer at Omni-Logistics. Previously, she served as the Vice President of Human Resources for Global Operations and Technology at Goodyear Tire & Rubber Company.
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