Insider Brief

• Silicon Quantum Computing (SQC) has appointed semiconductor finance executive John Hollister as CFO, effective August 17, 2026.
• Hollister brings more than two decades of semiconductor industry experience, including CFO roles at GlobalFoundries and Silicon Labs.
• His appointment follows SQC’s June 2026 appointment of Karna Nisewaner as Chief Legal Officer as the company advances its commercial quantum computing roadmap.

PRESS RELEASE — Silicon Quantum Computing (SQC), a pioneer in quantum computing and atomic-precision manufacturing, today announced the appointment of John Hollister as Chief Financial Officer, effective 17 August 2026. Hollister will lead global financial strategy and operations as SQC advances its roadmap to universal, commercial-scale quantum computers.

Based in the U.S., Hollister is a global finance executive with more than two decades of leadership experience within the semiconductor industry. He has led and scaled international teams through periods of accelerated growth, with expertise spanning capital formation, financial planning and analysis, worldwide accounting, financial reporting, M&A, tax and investor relations.

Prior to SQC, Hollister served as CFO at GlobalFoundries, one of the world’s largest semiconductor foundries. Earlier in his career, he spent two decades at Silicon Labs, including 11 years as the company’s CFO, and held previous roles at Cicada Semiconductor and Cirrus Logic.

SQC Founder and CEO, Michelle Simmons, said: “Building a globally competitive quantum computing company requires the sharpest minds and deep knowledge. John brings a track record of financial rigor and expertise that is critical to advancing our commercial roadmap and scaling our world-leading manufacturing technology. We are delighted to have him on board.”

SQC Chief Financial Officer, John Hollister, added: “I look forward to building the financial infrastructure to support SQC’s next phase of growth, both in Australia and globally. Bringing quantum computing to the world is a massive opportunity, and SQC’s atomic-precision manufacturing capability gives us a distinct commercial and scientific advantage.”

Hollister’s arrival follows the appointment of Karna Nisewaner as Chief Legal Officer in June 2026. Together, these appointments bolster SQC’s executive leadership with decades of expertise building and running the operational machine behind chip design and manufacturing. SQC is one of 11 companies selected for Stage B of DARPA’s Quantum Benchmarking Initiative, and the company continues to deploy its quantum-enhanced AI and materials simulation chips to customers today.

For more information, visit www.sqc.com and follow SQC on LinkedIn.