Matt Mainer

EVP, Chief Financial Officer & Treasurer at Post Holdings

Matthew J. Mainer has served as Senior Vice President, Chief Financial Officer and Treasurer since December 2022 and as Senior Vice President and Treasurer since December 2018. He joined the company in 2015 as Vice President and Treasurer.

During his time at Post, the company has executed a variety of innovative financial transactions, including the IPO of BellRing Brands, Inc. in 2019 and its spinoff in 2022. Matt has been instrumental in executing Post’s most complicated financial transactions.

Prior to joining Post, Matt served as Assistant Treasurer at Mallinckrodt Pharmaceuticals, and as Vice President and Treasurer of ESCO Technologies Inc. Matt earned a Bachelor of Science degree in Accounting from the University of Missouri-St. Louis and his MBA from Saint Louis University.

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St. Louis, United States

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Post Holdings

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Post Holdings, Inc. is a consumer packaged goods holding company. The Company operates through four segments, namely, Post Consumer Brands, Michael Foods Group, Active Nutrition and Private Brands. The Company's Post Consumer Brands segment includes the Post Foods branded ready-to-eat cereal operations and the business of MOM Brands. Its Michael Foods Group segment produces and distributes egg products, refrigerated potato products, cheese and other dairy case products, and pasta products. Its Private Brands segment manufactures and distributes organic and conventional private label peanut butter and other nut butters, baking nuts, raisins and other dried fruit, and trail mixes. Its Active Nutrition segment markets and distributes protein beverages and bars under the Premier Protein brand, protein powders and bars under the Dymatize and Supreme Protein brands, and ready-to-drink beverages and other liquid-based solutions under the Joint Juice brand.


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10,000+

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