Cristofer is a seasoned cybersecurity and quantum security expert with over 15 years of experience in driving business strategy, technology innovation, and market expansion across the Asia Pacific region. As CEO of Squareroot8, he leads the company’s strategic vision and drives technological innovation to protect organizations against both classical and quantum-era cyber threats.
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With deep expertise in cyber forensics and information security, Cristofer has held key positions at Singtel, Trustwave, Ernst & Young, and Gatewatcher, where he played a pivotal role in shaping cybersecurity strategies, expanding regional presence, mitigating risks, and transforming enterprise security frameworks.

Koon Tong is a Quantum Information Technologist who dedicated his entire career pushing the boundaries the field, co-inventing several milestone quantum algorithms and IPs for Quantum Communication applications. Serving his postdoctoral stint at a world-leading research team at the National University of Singapore where “theory-meets-practice”, innovation and technology development is ingrained in Koon Tong’s DNA.
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Possessing a deep-seated belief that mass adoption of quantum technologies will benefit all, Koon Tong co-founded Squareroot8 Technologies (SQRT8) to turn his vision into reality. As the Chief Technologist, he spearheads and oversees the technological roadmap and product development of SQRT8 and ensures its proprietary technologies will lend the company with a quantum advantage.