10 RPM International procurement leaders
Paul Darwin, Vice President Procurement, heads this set of RPM International procurement leaders, which also includes directors of strategic sourcing for chemicals, packaging and indirect purchasing, a regional procurement director and Rust-Oleum sourcing heads. A reader can learn how procurement leaders work at RPM International from people who have held the role.
Professionals to explore
Brian Perez
LinkedInExperience: Director – Procurement for Europe, Asia, Africa and Latin America · RPM International Inc.
Brian Perez has been Director – Procurement for Europe, Asia, Africa and Latin America at RPM International Inc. since February 2025, based in Zaventem, Belgium. Brian Perez was Director of Strategic Sourcing at RPM from 2022 to 2025, and was Division Sourcing & Procurement Manager at Parker Hannifin from 2017 to 2022 and Sourcing and Commodity Manager at Parker Hannifin from 2016 to 2017.
Mark Hall
LinkedInExperience: Head of European Purchasing · Rust-Oleum Corporation
Mark Hall has been Head of European Purchasing at Rust-Oleum Corporation since June 2011, based in Newcastle upon Tyne, England. Mark Hall was Procurement Director at INEOS from 2007 to 2009, VP Procurement & Logistics at Foamex in 2007 and Group Procurement Director at British Vita from 2006 to 2007, and was Strategic Procurement Consultant at Uckerby Consulting Ltd from 2009 to 2011.
Melissa Calomino
LinkedInExperience: Director of Material Sourcing · Rust-Oleum Corporation
Melissa Calomino has been Director of Material Sourcing at Rust-Oleum Corporation since September 2018, based in Crystal Lake, Illinois, with a profile headline of Sr. Director of Material Sourcing at Rust-Oleum Corporation. Melissa Calomino was National Key Account Manager at BYK Additives from 2014 to 2018 and Technical Service / Applications Chemist at Momentive from 2004 to 2010.
Michael Goodwin
LinkedInExperience: Director of Strategic Sourcing - Chemicals · RPM International Inc.
Michael Goodwin has been Director of Strategic Sourcing - Chemicals at RPM International Inc. since December 2021, based in Greater St. Louis. Michael Goodwin was Global Strategic Sourcing Manager - Chemicals at RPM from 2018 to 2021, and was Director of Global Sourcing at Carboline from 2016 to 2018 and Global Process & Materials Manager at Carboline from 2014 to 2015.
Mike Tanis
LinkedInExperience: Director of Strategic Sourcing - Packaging · RPM International Inc.
Mike Tanis has been Director of Strategic Sourcing - Packaging at RPM International Inc. since December 2021, based in Grand Rapids, Michigan. Mike Tanis was Strategic Sourcing Manager - Packaging at RPM from 2019 to 2021, and was Lead Sourcing Manager - Packaging at Amway from 2018 to 2019 and Lead Sourcing Manager - Rigid Packaging at Amway from 2016 to 2018.
Paul Darwin
LinkedInExperience: Vice President Procurement · RPM International Inc.
Paul Darwin has been Vice President Procurement at RPM International Inc. since July 2024, based in Westlake, Ohio. Paul Darwin was Senior Director - Procurement at RPM from 2022 to 2024, Director of Global Procurement from 2018 to 2022 and Group Purchasing Manager EMEA & APAC from 2012 to 2018, and was Purchasing Manager UK at tremco illbruck group from 2007 to 2012.
Sarah Ferris
LinkedInExperience: Global Strategic Sourcing Director · RPM International Inc.
Sarah Ferris has been Global Strategic Sourcing Director at RPM International Inc. since August 2023, based in Vernon Hills, Illinois. Sarah Ferris was Global Strategic Sourcing Manager at RPM from 2022 to 2023 and Sourcing Manager at Rust-Oleum Corporation from 2019 to 2022, and was Global OEM Sourcing Manager at Anixter from 2014 to 2019.
Steve Boike
LinkedInExperience: Director of Strategic Sourcing - Indirect Purchasing · RPM International Inc.
Steve Boike has been Director of Strategic Sourcing - Indirect Purchasing at RPM International Inc. since December 2021, based in Lenoir, North Carolina. Steve Boike was Global Strategic Sourcing Manager - Indirect Purchasing at RPM from 2018 to 2021, and was Senior Director, Supply Chain Operations from 2014 to 2018 and Director of Purchasing from 2000 to 2014 at RPM Wood Finishes Group.
Tim Nelson
LinkedInExperience: Director of Sourcing · Rust-Oleum Corporation
Tim Nelson has been Director of Sourcing at Rust-Oleum Corporation since June 2023, based in Kenosha, Wisconsin, and lists the role as Director of Sourcing - Direct Materials. Tim Nelson was Senior Sourcing Manager at Rust-Oleum from 2019 to 2023, Sourcing Manager from 2016 to 2019 and Senior Logistics Analyst from 2014 to 2016.
Toby Larson
LinkedInExperience: Global Strategic Sourcing Director - PFR · RPM International Inc.
Toby Larson has been Global Strategic Sourcing Director - PFR at RPM International Inc. since June 2025, based in Chesterland, Ohio. Toby Larson was Director of Procurement at RPM Specialty Products Group from 2023 to 2025, and was Indirect Procurement Manager at The Lubrizol Corporation from 2020 to 2023 and Indirect Sourcing Manager at Lubrizol from 2018 to 2020.
Choose the right perspective
Match the person's scope, such as corporate procurement, a spend category like chemicals or packaging, a region or a single business like Rust-Oleum, to the decision you face. Check when each role started to judge how recent the person's view is.
Questions to take into the conversation
- 01What did you change first when you took on your procurement role, and why?
- 02How do you decide which raw materials to buy centrally and which to buy locally?
- 03What has your own work taught you about managing suppliers through price swings in chemicals and packaging?
Reaching RPM International procurement leaders
How can I contact one of these RPM International 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: RPM International Inc. and Rust-Oleum Corporation, 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 RPM International 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 RPM International 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.
Request a correction or removal