10 Marathon Petroleum procurement leaders
Sorcha Brown, Senior Director, Category Management at Marathon Petroleum Corporation, is the most senior current member of this group of Marathon Petroleum procurement leaders, which also includes directors of category management and continuous improvement. A reader can learn how procurement leaders work at Marathon Petroleum from people who have held the role.
Professionals to explore
Chelsea Campbell, PE, PMP
LinkedInExperience: Director Category Management · Marathon Petroleum Corporation
Chelsea Campbell has been Director Category Management at Marathon Petroleum Corporation since June 2026, and the profile says the role leads strategic sourcing and category management for catalysts, chemicals, industrial gases, and process control technologies. Chelsea Campbell was a Procurement Supervisor at Marathon Petroleum Corporation from 2018 to 2020.
Colleen Foley
LinkedInExperience: Director Category Management · Marathon Petroleum Corporation
Colleen Foley has been Director Category Management at Marathon Petroleum Corporation since May 2026, based in Findlay, Ohio, and also lists Supply Chain Director - Systems & Controls there from 2023 to 2026. Colleen Foley was a Category Manager at Marathon Petroleum Corporation from 2019 to 2020 and a Contract Specialist there from 2017 to 2019.
Filo Vallano
LinkedInExperience: Director Category Management · Marathon Petroleum Corporation
Filo Vallano has been Director Category Management at Marathon Petroleum Corporation since August 2026 and also lists a Lead Category Manager role there dated from 2020. Filo Vallano was in Supplier Relationship Management at Tesoro Corporation from 2018 to 2019 and Manager, Supplier Relationship Management there from 2014 to 2017.
Jim Nelson
LinkedInExperience: Director, Global Procurement - Retired · Marathon Petroleum Company
Jim Nelson is a former Director, Global Procurement at Marathon Petroleum Company, a role held from October 2006 to August 2016 and listed as retired. Jim Nelson was Michigan Refining Division Manager at Marathon Petroleum Company from 2001 to 2006 and Minnesota Refining Division Manager there from 1994 to 2001.
John Kraft, MBA
LinkedInExperience: Director of Category Management and Continuous Improvement · Marathon Petroleum Corporation
John Kraft has been Director of Category Management and Continuous Improvement at Marathon Petroleum Corporation since June 2024 and was Refining Supply Chain Director there from 2020 to 2023. John Kraft was Procurement Manager at Toledo Refining Company LLC from 2016 to 2020.
Jordan Fowler, MBA
LinkedInExperience: Director, Category Management · Marathon Petroleum Corporation
Jordan Fowler has been Director, Category Management at Marathon Petroleum Corporation since May 2026 and was Category Management Manager there from 2022 to 2026. Jordan Fowler was Sr Category Manager at Marathon Petroleum Corporation from 2021 to 2022 and Supply Chain Director at Delek US from 2020 to 2021.
Keith Gelman
LinkedInExperience: Director, SCM - Category Management · Marathon Petroleum Corporation
Keith Gelman is a former Director, SCM - Category Management at Marathon Petroleum Corporation, a role held from January 2016 to April 2019, and the profile lists Keith Gelman as retired from Marathon Petroleum since May 2019. Keith Gelman was Director, Strategic Sourcing at iHeartMedia from 2013 to 2015.
Matthew Pocta
LinkedInExperience: Director, SCM Project Procurement · Marathon Petroleum Corporation
Matthew Pocta is a former Director, SCM Project Procurement at Marathon Petroleum Corporation, a role held from October 2018 to December 2019, based in Denver. Matthew Pocta was Director, Supply Chain Project Procurement at Andeavor from 2017 to 2018 and Senior Sourcing Manager at Rockline Industries from 2021 to 2024.
Ryan Aschemeier
LinkedInExperience: Senior Director Category Management & Synergy · Marathon Petroleum Corporation
Ryan Aschemeier is a former Senior Director Category Management & Synergy at Marathon Petroleum Corporation, a role held from October 2018 to February 2020, and was Global Procurement Manager - Refining & Category Management there from 2015 to 2018. Ryan Aschemeier was Senior Director Enterprise Business Services & Supply Chain at Marathon Petroleum Corporation from 2023 to 2026.
Sorcha Brown
LinkedInExperience: Senior Director, Category Management · Marathon Petroleum Corporation
Sorcha Brown has been Senior Director, Category Management at Marathon Petroleum Corporation since January 2026, based in Findlay, Ohio. Sorcha Brown was Refining Engineering Director at Marathon Petroleum Corporation from 2022 to 2026 and Reliability Manager there from 2019 to 2021.
Choose the right perspective
Match the person's categories, as named in their title or profile, to your question. Check each person's dates, since a past role may not reflect current practice.
Questions to take into the conversation
- 01How did you decide which spend categories to take to market first in your role?
- 02How did you work with internal teams when they needed a new supplier?
- 03What changed in how procurement worked with the rest of the company during your time in the role?
Reaching Marathon Petroleum procurement leaders
How can I contact one of these Marathon Petroleum procurement 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: Marathon Petroleum Corporation and Marathon Petroleum Company, based on profile data retrieved on October 23, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Marathon Petroleum procurement 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 Marathon Petroleum procurement 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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