Stephen Muller is currently the Business Unit Director for Prefab Building Systems at ROCKWOOL Group, a role they've held since 2022. Previously, Stephen served as a Sales & Business Development Manager for Rockzero from 2019 to 2022, and as a Key Account Manager at ROCKWOOL Benelux from 2016 to 2022. Their extensive experience includes various account management positions at Hilti and ROCKWOOL International, as well as a brief tenure at MS Design. Stephen holds a degree in HBO bouwkunde from NCOI Opleidingen, along with certifications in effective communication and sales.
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