Post Holdings Inc - Company Profile

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Post Holdings Inc: Executives

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The following section provides information on Post Holdings Inc’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Post Holdings Inc's management and employees, unlock the full data with our company analytics monitoring tool.

Executives

Robert V. Vitale

Chief Executive Officer; President; Chairman Executive Board Since: 2025 Age: 59

Mr. Robert V. Vitale has been the President, Chairman, and the Chief Executive Officer of the company since December 2025. Previously, he served as the Chief Financial Officer of the company from October 2011 to November 2014. Prior to this, he served as the President and the Chief Executive Officer of AHM Financial Group LLC. Earlier, Mr. Vitale was a partner in Westgate Group LLC.

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Matthew J. Mainer

Chief Financial Officer; Executive Vice President; Treasurer Senior Management Since: 2024 Age: 54

Mr. Matt Mainer has been Executive Vice President, Chief Financial Officer and Treasurer of the company 2024. Previously, he served as the Senior Vice President, Chief Financial Officer and Treasurer of the company from December 2022 to November 2024. Previously, he served as the Vice President and Treasurer of the company from 2015 to 2018. Prior to this, he served as the Assistant Treasurer at Mallinckrodt plc from 2013 to 2014. Earlier, Mr. Mainer served as the Vice President and Treasurer of ESCO Technologies Inc from 2002 to 2012.

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Nicolas Catoggio

President - Post Consumer Brands; Chief Executive Officer - Post Consumer Brands; Chief Operating Officer Senior Management Since: 2026 Age: 51

Mr. Nicolas Catoggio has been the Chief Operating Officer and Executive Vice President of the company since January 2026. Previously, he served as the Managing Director and Senior Partner of Boston Consulting Group from 2007 to 2021. Earlier, Mr. Catoggio served various roles at Unilever.

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Diedre J. Gray

Chief Administrative Officer; Secretary; General Counsel; Executive Vice President Senior Management Since: 2017 Age: 47

Ms. Diedre J. Gray has been the Executive Vice President, the Chief Administrative Officer, Secretary and General Counsel of the company since 2017. Previously, she served as the Senior Vice President of the company from 2012 to 2017. Prior to this, she served as the Corporate Secretary of the company from 2012 to 2014. Prior to this, she served as the Senior Vice President for Legal in 2011. Earlier, Ms. Gray served as an Assistant Secretary and Associate General Counsel of SunEdison Inc from 2010 to 2011.

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Greg Pearson

President - Post Consumer Brands; Chief Executive Officer - Post Consumer Brands Senior Management Since: 2026
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