Rosalie started as a full stack developer at ThoughtWorks, engineering agile software for clients. Since then, she has chosen to specialize in security and privacy. She has spent the last year and a half developing privacy enhancing technologies, including a new draft of the effective Off-the-Record messaging protocol. Prior, Rosalie spent a year deploying training material on security hygiene for ThoughtWorks. This included running a capture the flag competition and a lockpicking contest for a major internal conference to engage participants from all backgrounds. Today, Rosalie is passionate about designing systems for a better future.