‹ Back

Diedre J. Gray

Executive Vice President, General Counsel and Chief Administrative Officer

Diedre Gray serves as Executive Vice President, General Counsel and Chief Administrative Officer of Post Holdings. She joined the company during the time of its spinoff from Ralcorp holdings in 2011.

At Post Holdings, Diedre leads a team of in-house counsel, as well as directing outside counsel on the company’s legal matters. She is highly experienced in the legal aspects of mergers and acquisitions, as well as working with the Securities and Exchange Commission (SEC). She oversees business development efforts, human resources and serves as Secretary to the Board of Directors.


Prior to Post, Diedre’s background includes a combination of corporate legal management and law firm experience. She served as associate general counsel and assistant secretary for MEMC Electronic Materials (SunEdison). Prior to that, she was an associate attorney for Bryan Cave LLP, where she focused on securities law and mergers and acquisitions. She received her law degree from Vanderbilt University and a Bachelor’s degree in Political Science from the University of Missouri-Columbia. While at the University of Missouri, she was the chief of staff of the Missouri Students Association.


  • Center of Creative Arts (COCA), 2016-present, serves as Vice President of the Board and Chair of Human Resources Committee
  • Forest Park Forever, 2018-present


  • NYSE Governance Services Award, General Counsel to Watch, 2014
  • St. Louis Business Journal, 40 Under 40 Award, 2013

Post Holdings, Inc. (“we”) use cookies to improve our products and your experience on our Sites by evaluating the use of our Site, products and services, to personalize content and ads, to provide social media features and to analyze our traffic. We also share information about your use of our site with our social media, advertising and analytics service providers. By agreeing to the use of cookies on our website, you direct us to disclose your personal information to these service providers for those purposes. For more information, please see our Cookie Policy