MILPITAS, Calif. — May 4, 2022 — SEMI today announced the promotion of 20-year SEMI veteran Paul Trio to Director of the SEMI International Standards program, effective immediately. Trio will lead the global SEMI Standards staff in managing the industry committees, task force and group meetings, balloting and processes for creating SEMI Standards, with particular emphasis on growing the coverage of the standards. Trio succeeds James Amano, who is transitioning to lead the SEMI Sustainability Initiative.

Trio will report to Dr. Melissa Grupen-Shemansky, SEMI CTO and Vice President of SEMI Technology Communities.

“Paul’s expertise in creating standards to help meet pressing semiconductor industry challenges makes him a strong leader entering the next 50 years of SEMI Standards,” Grupen-Shemansky said. “He has deep working knowledge of the SEMI Standards ratification process, the engineering considerations necessary to prepare standards for adoption, and the importance of involving all key stakeholders. Under Paul’s leadership, we look forward to continuing to advance standards in vital areas across the semiconductor supply chain including traceability, data management, cybersecurity, and emerging technologies such as heterogeneous integration.”

Trio most recently lead several SEMI technology communities including the Collaborative Alliance for Semiconductor Test (CAST) and Semiconductor, Components and Instrumentation and Subsystems (SCIS). He spearheaded the collaboration of these groups, comprised of the leading IC device makers and equipment suppliers, on topics such as traceability and zero defects.

Trio began his career at SEMI in SEMI Standards, managing committees such as Environmental Health and Safety (EHS), Information & Control (I&C), and Photonic Integrated Circuit (PIC) before his promotion to lead the North America Standards staff. Trio holds an MBA, Master of Science degree in System Engineering and an undergraduate degree in Electrical Engineering from San Jose State University.

SEMI Standards has published more than 1,000 standards and will celebrate its 50th anniversary since the original M1 Standard was published in 1973. The standard established wafer specifications, enabling the semiconductor industry to innovate the processes needed to create smaller transistors with greater precision. Learn more about SEMI International Standards.

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SEMI® connects more than 2,500 member companies and 1.3 million professionals worldwide to advance the technology and business of electronics design and manufacturing. SEMI members are responsible for the innovations in materials, design, equipment, software, devices, and services that enable smarter, faster, more powerful, and more affordable electronic products. Electronic System Design Alliance (ESD Alliance), FlexTech, the Fab Owners Alliance (FOA), the MEMS & Sensors Industry Group (MSIG) and SOI Consortium are SEMI Strategic Technology Communities. Visit to learn more, contact one of our worldwide offices, and connect with SEMI on LinkedIn and Twitter.


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