10 ADM plant leaders
Plant Manager and Plant Manager, Decatur West Oilseeds Complex are among the current titles held by these ADM plant leaders. A reader can learn how plant leaders run their sites at ADM from people who have held the role.
Professionals to explore
Barry Dorris
LinkedInExperience: Plant Manager · ADM
Barry Dorris has been Plant Manager at ADM since September 2016, based in Erlanger, Kentucky, and also lists a current Plant Manager row at ADM from 2015. Barry Dorris was Production Manager at ADM from 2015 to 2016 and Operations Manager at WILD Flavors, Inc. from 2007 to 2015.
Brian Mullins
LinkedInExperience: Plant Manager · ADM
Brian Mullins has been Plant Manager at ADM since March 2020, based in the Iowa City-Cedar Rapids Area. At ADM, Brian Mullins was also Plant Superintendent from 2018 to 2020, Optimization Manager from 2015 to 2018, Department Manager from 2006 to 2015 and Production Engineer from 2003 to 2006.
Cameron Bagley
LinkedInExperience: Plant Manager · ADM
Cameron Bagley has been Plant Manager at ADM since December 2022, and the profile headline reads Plant Manager Decatur BioProducts at Archer Daniels Midland Company. At ADM, Cameron Bagley was also Plant Manager from 2018 to 2022, Plant Superintendent from 2015 to 2018 and Production Superintendent from 2012 to 2015.
David Gilman
LinkedInExperience: Plant Manager, Decatur West Oilseeds Complex · ADM
David Gilman has been Plant Manager, Decatur West Oilseeds Complex at ADM since April 2025, based in Decatur, Illinois. At ADM, David Gilman was also Refinery Manager, Decatur West Refinery from 2024 to 2025, Area Safety Manager, Decatur Complex from 2022 to 2024 and Safety Manager, Decatur Corn Plant from 2021 to 2022.
Keith Higgins
LinkedInExperience: Plant Manager · ADM
Keith Higgins has been Plant Manager at ADM since December 2021, with the role listed in Quincy, Illinois. At ADM, Keith Higgins was also Department Superintendent from 2017 to 2021, held two Plant Manager rows from 2012 to 2017 and was Plant Superintendent from 2011 to 2012.
Ken Ruggles
LinkedInExperience: Plant Manager · ADM
Ken Ruggles has been Plant Manager at ADM since January 2013, based in the Greater Minneapolis-St. Paul Area. Ken Ruggles was Plant Manager at Ridley Block Operations from 2012 to 2013, Plant Supervisor at ADM Alliance Nutrition from 2008 to 2012 and Lead Mechanic/Line Mechanic/Relief Supervisor at Ball Corporation from 2000 to 2008.
Melissa Hahn
LinkedInExperience: Plant Manager · ADM
Melissa Hahn has been Plant Manager at ADM since November 2022, based in Mount Zion, Illinois. At ADM, Melissa Hahn was also Plant Superintendent from 2019 to 2022, Engineering Superintendent from 2018 to 2019, Project Engineer from 2009 to 2018 and Plant Engineer from 2007 to 2009.
Michael Odland
LinkedInExperience: Plant Manager · ADM
Michael Odland has been Plant Manager at ADM since September 2017, based in the Fargo-Moorhead area, and also lists a current Project manager row at ADM from 2014. At ADM, Michael Odland was also Project Engineer from 2011 to 2014 and Engineer from 2009 to 2011.
Scott Griesbach
LinkedInExperience: Plant Manager · ADM
Scott Griesbach has been Plant Manager at ADM since July 2023, with the role listed in Stanley, Wisconsin. Scott Griesbach was Manager at Gilman Cheese from 2022 to 2023 and Production Supervisor at Foremost Farms USA from 1995 to 2022, and the profile headline reads Plant Manager at ADM.
Stephen Gaskins
LinkedInExperience: Plant Manager · ADM
Stephen Gaskins has been Plant Manager at ADM since February 2026, and the profile headline reads Plant Manager - ADM Mendota Milling. At ADM, Stephen Gaskins was also Plant Manager - Lincoln Milling from 2025 to 2026, Decatur Complex Maintenance Programs Manager from 2024 to 2025 and MPI Practitioner from 2023 to 2024.
Choose the right perspective
Match the person's own plant and the work they describe there to your question, since running one kind of plant can look very different from running another. Weigh how recently each person took the role, because someone new to a plant and someone who has led it for years will describe different challenges.
Questions to take into the conversation
- 01What did you focus on first when you took over your plant?
- 02How do you split your own time between the floor and the people you report to?
- 03What from the roles you held inside a plant before leading one still shapes how you run it?
Reaching ADM plant leaders
How can I contact one of these ADM plant 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 1 company: ADM, based on profile data retrieved on October 24, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach ADM plant leaders?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these ADM plant 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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