Shaun Williamson

Shaun Williamson serves as Chief of Staff and Technical Assistant to Atlassian’s Chief Trust Officer, where he drives long-term strategy across the Trust landscape—including Cyber Security, Enterprise Governance Risk and Compliance (GRC), Privacy, and Anti-Abuse. Shaun is dedicated to aligning Atlassian’s Trust vision with customer expectations, fostering cross-functional collaboration between internal teams and customers to strengthen trust at every level.With a foundation of six years as a Commando in the 2nd Commando Regiment and over thirteen years of enterprise experience, Shaun brings a unique blend of operational rigor and industry expertise. His career spans security engineering, detection and response, offensive security, and GRC, in both technical and leadership roles. Shaun’s impact extends across finance, defense, aerospace, technology, and entertainment sectors.A respected leader in the security community, Shaun is passionate about sharing knowledge and elevating industry standards. He is committed to building a safer digital world by mentoring others and championing best practices in security and trust.