10 Post Holdings IT leaders
Mike Sullivan, Chief Information Officer at Post Holdings, appears among these Post Holdings IT leaders, along with a chief technology officer, vice presidents of applications and IT delivery, and directors of ERP, cloud, cybersecurity, sourcing and IT operations. A reader can learn how IT leaders work at Post Holdings from people who have held the role.
Professionals to explore
Aaron Glastetter
LinkedInExperience: Director - IT Cloud & Workforce Productivity · Post Holdings
Aaron Glastetter has been Director - IT Cloud & Workforce Productivity at Post Holdings since December 2025, based in the Dallas-Fort Worth Metroplex. Aaron Glastetter was Sr. Manager - IT Cloud & Workforce Productivity at Post Holdings from 2022 to 2025, Network Architect there from 2020 to 2022 and Manager, Process - SME at AB InBev from 2018 to 2020.
Amy Miller
LinkedInExperience: Director, IT ERP & Supply Chain Applications · Post Holdings
Amy Miller has been Director, IT ERP & Supply Chain Applications at Post Holdings since October 2019, based in St Louis, Missouri. Amy Miller was Senior Information Technology Manager, Applications at Post Holdings from 2014 to 2019, IT Manager, MDM & ERP Systems there from 2013 to 2014 and IT Senior Business Analyst, Procurement at Ralcorp Holding Inc from 2011 to 2013.
Andy Mayer
LinkedInExperience: Director, IT Sourcing and Vendor Management · Post Holdings
Andy Mayer has been Director, IT Sourcing and Vendor Management at Post Holdings since March 2024, based in Greater St. Louis. Andy Mayer was Vice President - Executive Technology Services at Gartner from 2021 to 2024, Executive Partner - IT Sourcing and Supplier Management - Executive Technology Services at Gartner from 2017 to 2021 and Director, IT Supplier Management & Procurement at Mallinckrodt Pharmaceuticals from 2015 to 2017.
Chris Shepherd
LinkedInExperience: Chief Technology Officer, Vice President · Post Holdings
Chris Shepherd has been Chief Technology Officer, Vice President at Post Holdings since December 2023, based in St Louis, Missouri. Chris Shepherd held an Enterprise Applications and Workforce Productivity role at Post Holdings from 2020 to 2023 and was Senior Director IT Infrastructure and End User Operations (North America) at Anheuser-Busch from 2017 to 2020.
Clint Johnson
LinkedInExperience: Director of IT Operations · Post Consumer Brands
Clint Johnson has been Director of IT Operations at Post Consumer Brands since April 2026, based in Carrington, North Dakota. Clint Johnson was Director Applications and Cybersecurity at 8th Avenue Food & Provisions from 2024 to 2026, Sr. Manager - IT Applications there from 2019 to 2024 and Application Manager at Dakota Growers Pasta Company from 2016 to 2019.
Jamie Hansen
LinkedInExperience: VP, IT Delivery Services · Post Consumer Brands
Jamie Hansen has been VP, IT Delivery Services at Post Consumer Brands since November 2024, based in the Greater Minneapolis-St. Paul Area. Jamie Hansen was Sr Director of IT at Post Consumer Brands from 2023 to 2025, Director of IT there from 2020 to 2023 and Vice President Information Technology at iMedia Brands, Inc. from 2013 to 2019.
Jason Ellard
LinkedInExperience: Director of Cybersecurity Architecture and Operations · Post Holdings
Jason Ellard has been Director of Cybersecurity Architecture and Operations at Post Holdings since July 2024, based in St Louis, Missouri. Jason Ellard was Director Innovation and Technology at City of St. Charles, MO from 2021 to 2024, Project Engineer at Stinson LLP from 2018 to 2021 and IT Manager at Senniger Powers from 2004 to 2018.
Lance Dorgan
LinkedInExperience: Vice President, Applications · Post Holdings
Lance Dorgan has been Vice President, Applications at Post Holdings since December 2023, based in St Louis, Missouri. Lance Dorgan was Director, IT Program Management at Post Holdings from 2019 to 2023, IT Director at Mom365 from 2012 to 2018 and Manager, IT Strategic Sourcing at Caleres, Inc. from 2010 to 2012.
Mike Christman
LinkedInExperience: Director IT Shared Services · Post Consumer Brands
Mike Christman has been Director IT Shared Services at Post Consumer Brands since May 2023, based in St Charles, Missouri. Mike Christman was Sr. Manager, IT Security at Post Consumer Brands from 2022 to 2023 and Sr. Director, Security Engineering at Equifax from 2019 to 2021, and the profile describes a security-focused IT leader overseeing security, networking and technical infrastructure teams.
Mike Sullivan
LinkedInExperience: Chief Information Officer · Post Holdings
Mike Sullivan has been Chief Information Officer at Post Holdings since August 2022, based in St Louis, Missouri. Mike Sullivan was VP-CIO at Bob Evans Farms, Inc. from 2020 to 2022, Vice President Information Technology there from 2018 to 2020 and Sr. Director - ERP Forecast to Delivery Lead there from 2013 to 2015.
Choose the right perspective
Match the person's IT area, such as ERP and supply chain applications, cloud, cybersecurity or vendor management, to the decision you face. Note whether the person works at the Post Holdings parent or at Post Consumer Brands.
Questions to take into the conversation
- 01What did you focus on first when you took on your current IT role?
- 02How do you decide when an ERP or supply chain system needs to be replaced?
- 03What has your own work taught you about choosing and managing IT vendors?
Reaching Post Holdings IT leaders
How can I contact one of these Post Holdings IT leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 2 companies: Post Holdings and Post Consumer Brands, based on profile data retrieved on October 21, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Post Holdings IT leaders?
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Can an AI agent ask one of these Post Holdings IT leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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