Marcellus is co-founder and Chairman of the Board of Wibu-Systems AG in Karlsruhe, Germany. He currently serves as the President and CEO of Wibu-Systems USA located in Edmonds, WA. As the original architect and first software developer of the company’s successful WibuKey, CodeMeter, and SmartShelter product lines, Marcellus is well known in his field for his expertise in designing innovative techniques to protect software against reverse-engineering, tampering, and debugging. The products he designed have never been cracked by hackers in multiple public global contests. Marcellus is an active member of the international Industrial Internet Consortium (IIC), where he is involved with security, trustworthiness, and monetization initiatives. He is one of the editors and authors of the Industrial Internet Security Framework document.