Our Leadership Team
Onyx 360 is shaped by leaders with deep, hands-on experience across process engineering, industrial automation, simulation, and plant operations. Leveraging decades of real-world expertise, we built Onyx 360 to provide industrial organizations with a connected view of their enterprise layers that allows you
to operate safer, smarter, and more predictably.
Zach Sample
President
Zach is an engineer, leader, and innovator with deep roots in industrial automation, simulation, and manufacturing software. His perspective is shaped by a combination of technical depth, curiosity, and business acumen. Drawing on more than a decade of global experience at Emerson and MYNAH Technologies, he helps clients connect imagination with what is possible on the factory floor and guides Onyx 360 in turning ambitious ideas into practical solutions that connect people, processes, and technology.
Tim Schieffer
Director of Engineering
Tim has a knack for identifying big thinkers and leads the global engineering group at Onyx 360. He empowers engineers to pursue new ideas and supports the development of innovative tools that enable our team and yours to work better, smarter and more efficiently. With 12+ years of dynamic simulation experience, he’s designed an accurate digital twin for any process that can be simulated.
Susan O’Kelley
Chief Financial Officer
Sue is a forward-thinking finance executive with 25+ years of experience in global manufacturing, technology services, real estate, and industrial automation. She thrives when able to pair financial leadership with operational and digital transformation initiatives. As CFO of Onyx 360, she brings the financial discipline, strategic and operational insight, and partnership experience needed to scale the company and create lasting value for customers.
Pierce Wu
Director of Business Development
Pierce is a business and technology leader with 15 years of experience in industrial software, simulation, automation, and digital transformation initiatives. His commercial expertise and collaborative nature make him an invaluable resource for technology partners and investors. Pierce works with Onyx 360 clients to identify their unique pain points, solve complex operational challenges, and enable sustainable performance improvements.
Susan Maruca
Director of Human Resources
Susan capitalizes on 25+ years of HR experience to help Onyx 360 recruit top engineering talent and helps shape and nurture our unique workplace culture. She ensures employees across the Americas have a seamless onboarding experience and creates opportunities for regular, cross-site collaboration among our teams in Greater St. Louis, Austin, TX and Costa Rica.