John O’Donnell is a semiconductor industry professional with more than 30 years of experience across vacuum technology, advanced manufacturing, and global semiconductor accounts. At VAT Group, he focuses on strategic engagement with leading semiconductor manufacturers and OEMs, supporting lifecycle management, supply chain alignment, and advanced process technology roadmaps. His expertise spans semiconductor capital equipment, aftermarket strategy, operational collaboration, and global account development. John is passionate about strengthening industry partnerships and supporting long-term growth across the semiconductor ecosystem.