#United States #Hayward #Ultra Clean Holdings #Robert Wunar #Harjinder Bajwa

Ultra Clean Holdings Appoints Robert Wunar as New COO

Ultra Clean Holdings, Inc. (Nasdaq: UCTT) has recently made headlines by announcing the appointment of Robert Wunar as the new Chief Operating Officer, effective March 23, 2026. This move comes on the heels of Harjinder Bajwa's departure from the firm on January 25, 2026, marking a significant shift in leadership as the company prepares for a new chapter.

Robert Wunar’s Extensive Experience

Robert Wunar joins Ultra Clean with a robust background in operations and supply chain management, spanning over three decades in the semiconductor capital equipment sector. Previously, he held the position of COO and Managing Director of Business Unit Operations at Applied Materials, Inc. There, Wunar was responsible for managing revenue streams, profitability, and executing supply and demand strategies across various product lines. His rich experience includes global manufacturing processes, cost optimization, and strengthening supply-chain resilience.

In his new role, Wunar's leadership style is notably customer-centric and people-focused, aimed at enhancing Ultra Clean’s strategic partnerships with its key customers. CEO James Xiao emphasized Wunar's proven track record in operational excellence and his ability to execute at scale, which is vital as Ultra Clean gears up for the next semiconductor ramp. Xiao stated, "Robert’s capabilities in translating strategy into disciplined execution will ensure we meet our customers' rigorous demands for reliability and quality."

Enhancing Operational Efficiency

Throughout his career, Wunar has consistently showcased his aptitude for driving improvements in gross margin, on-time delivery, and manufacturing cycle times while building global supplier capabilities. His leadership has covered all product phases, from research and development to high-volume manufacturing, with a steadfast commitment to quality and customer satisfaction.

Wunar, a graduate of the DeVry Institute of Technology with a Bachelor of Science in Electronics Engineering Technology, has dedicated his career to assembling and leading high-performance teams within complex manufacturing frameworks. His expertise is expected to lead Ultra Clean through significant industry changes, positioning it strongly for future growth.

Transition and Acknowledgements

With Wunar's arrival, the company extends its gratitude to Harjinder Bajwa for his contributions during his tenure at Ultra Clean. Under his leadership, the organization fortified its operational foundations, establishing a pathway for future advancements. CEO James Xiao acknowledged Bajwa’s role in positioning the company for continued success and expressed best wishes for him in his future endeavors.

About Ultra Clean Holdings

Based in Hayward, California, Ultra Clean Holdings, Inc. is a key player in developing and supplying vital subsystems, components, and ultra-high purity cleaning and analytical services primarily targeted at the semiconductor industry. The company offers integrated outsourced solutions that enhance design-to-delivery cycle times, manufacturability, and high-precision manufacturing.

Ultra Clean's commitment to quality extends through its services division, providing tool chamber parts cleaning, coating, and micro-contamination analytical services. Their mission is to continue delivering unparalleled value to their clients in the tech-driven semiconductor landscape, ensuring reliability and excellence across all operations.

For more information about Ultra Clean Holdings, you can visit their website at www.uct.com.