Oliver Leaver-Smith, better known as ols, is a distinguished technologist currently working as a Data Operations Manager at a global sports betting, gaming, and entertainment provider.

His topics of expertise include OpenBSD, automation, chaos and resilience engineering, Dungeons & Dragons, and Nerf warfare; he also takes an interest in security, privacy, opensource, decentralisation and federation, hardware hacking, and cyberdecks.

He is a strong proponent of open software and concepts, and the culture of hackers, makers, and breakers.