Dan Williamson is a security risk management consultant at Open Briefing. Dan has over two decades of residential experience supporting private foundations, international NGOs, individual defenders, and community organisations, particularly those at extreme risk or with complex needs. Dan has completed over 40 security audits, developed over 50 security risk management frameworks, and is a lead contributor to our series of open resources for human rights defenders. Dan served as our safety and security lead between 2017 and 2022.

Before joining Open Briefing, Dan held global risk management functions, lead crisis management teams and advised on governance, risk informed decision-making and enterprise and operational risk management. He was the first global security manager for Marie Stopes International, where he previously served as the South Sudan country director. He also worked as interim head of mission, project coordinator, and operations manager in Zimbabwe, Darfur, and Iraq for Médecins Sans Frontières and as a project manager in Swaziland for PSI. Dan combines strategic oversight with operational depth.

He is a trusted advisor, providing targeted support on complex risk challenges, focusing on strengthening risk culture and continuity. He currently lives in Southeast Asia.