10 Ashland operations leaders
Wayne (WR) Muil, Senior Vice President Operations, heads this list of Ashland operations leaders, whose current titles include Vice President Operations, global operations and manufacturing directors and plant leaders in Belgium and France. A reader can learn how operations leaders work at Ashland from people who have held the role.
Professionals to explore
Cecile Lemahieu
LinkedInExperience: Plant Director - Cosmetics ingredients Industry · Ashland
Cecile Lemahieu has been Plant Director - Cosmetics ingredients Industry at Ashland since December 2020, based in Sophia Antipolis, France, and served there as Supply Chain Manager for cosmetics ingredients from 2011 to 2022. Cecile held planning, purchasing and logistics manager roles in the food industry and at a public hospital.
David Wilson
LinkedInExperience: Vice President Operations · Ashland
David Wilson has been Vice President Operations at Ashland since September 2025, working from the Greater Houston area. David served as Vice President of Operations at Ecoservices from 2023 to 2025, Senior Production Director at Sadara Chemical Company and Site Environmental, Health, & Safety Director at Dow, with a headline about driving operational excellence.
Erik Van Hove
LinkedInExperience: Global Operations Director Specialties Additives - Plant Manager Ash Spec Belgium · Ashland
Erik Van Hove has been Global Operations Director Specialties Additives and Plant Manager Ash Spec Belgium at Ashland since September 2025. Erik has run the Ashland Specialties Belgium plant since 2009, serving as European Production Sites lead from 2020 to 2024 and as global production lead for Injectables & Film Coating from 2024 to 2025.
Guillaume Leising
LinkedInExperience: Former Global Manufacturing Director · Ashland
Guillaume Leising served as Global Manufacturing Director at Ashland from October 2022 to April 2025 and is now Chief Operating Officer at Canlak Coatings. Guillaume served at allnex as North America Manufacturing Manager from 2017 to 2022, Global Planner in 2017 and Plant Manager from 2015 to 2017.
Joe Ziegler
LinkedInExperience: Director of Operations · Ashland
Joe Ziegler has been Director of Operations at Ashland since October 2012, working from Freehold, New Jersey, and served at Ashland as Director of Engineering from 2007 to 2012. Joe also served as Director of Engineering at GE Power from 2002 to 2007, and the headline reads Director of Operations at Ashland Inc.
Karl Bostaph
LinkedInExperience: Former Senior Vice President - Global Operations · Ashland
Karl Bostaph served as Senior Vice President - Global Operations at Ashland from 2023 to 2025, described as Chief Operating Officer and a member of the Executive Leadership Team responsible for global EHS and remediation. Karl served as Vice President - Global Manufacturing and Engineering from 2020 to 2023 and as Director, EMEA ASI Manufacturing.
Kevin Silva
LinkedInExperience: Former Global Manufacturing Director, Personal Care · Ashland
Kevin Silva served as Global Manufacturing Director, Personal Care at Ashland from March 2025 to July 2026, as Multi-Site Plant Manager from 2020 to 2025 and as Operations Manager from 2017 to 2020. Kevin is now Senior Vice President of Global Manufacturing at Advancion Corporation, and was Occupational Health, Safety & Security Manager at Ashland from 2013 to 2017.
Keyana Hughes
LinkedInExperience: Global Director of Manufacturing · Ashland
Keyana Hughes has been Global Director of Manufacturing at Ashland since October 2023, with a headline describing an executive global operations leader specialized in multi-site management and operational excellence. Keyana served as President, Protection Operations at Avon Protection from 2020 to 2023 and held manufacturing operations and site manager roles at 3M.
Usama Hashim
LinkedInExperience: Former Director Of Manufacturing · Ashland
Usama Hashim served as Director Of Manufacturing at Ashland from February 2020 to July 2022, a role the profile describes as coaching a team that oversaw manufacturing operations in the personal care business unit, and as Multi Site-Manager there from 2018 to 2020. Usama is now Vice President Operations, Laboratory Chemicals Division at Thermo Fisher Scientific.
Wayne (WR) Muil
LinkedInExperience: Senior Vice President Operations · Ashland
Wayne (WR) Muil has been Senior Vice President Operations at Ashland since July 2025, working from the Charlotte area. Wayne served as Vice President Manufacturing and Engineering at Sadara Chemical Company and Manufacturing Director & Technology Centre Director at Dow, and describes deep expertise in operational excellence, safety and cost leadership through continuous improvement.
Choose the right perspective
Match the person's role, scope and dates to the decision you face, and favor someone whose past role is closest to the one you are weighing. Check whether each role is current and when it started or ended 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 operations role at Ashland, and why?
- 02Which measures did you rely on most to judge whether an operation you led was on track?
- 03What is one decision from your own role that you would make differently today, and why?
Reaching Ashland operations leaders
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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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