Matthew J. Mainer serves as the Executive Vice President, Chief Financial Officer, and Treasurer at Post Holdings Inc., a consumer packaged goods company based in St. Louis, Missouri. In his role, Mainer is responsible for overseeing the financial operations of the company, which includes managing financial planning and analysis, accounting, tax, treasury, and investor relations. His strategic financial leadership has been instrumental in driving the company's growth and profitability. Before joining Post Holdings Inc., Mainer held various senior financial positions at Ralcorp Holdings Inc., where he gained extensive experience in the consumer goods industry. At Ralcorp, he played a key role in the company's financial strategy and helped navigate the company through its acquisition by Conagra Brands in 2013. Mainer's expertise in financial management and his deep understanding of the industry have been valuable assets to Post Holdings Inc. since he joined the company in 2012. Under Mainer's leadership, Post Holdings Inc. has successfully executed several acquisitions, expanding its portfolio and strengthening its market position. His ability to identify and capitalize on strategic opportunities has contributed to the company's growth and success. Mainer's strong financial acumen, combined with his collaborative approach and commitment to driving results, make him an integral part of the Post Holdings Inc. executive team.