Having achieved an M.Sci in Astrophysics from Glasgow University in Scotland, Lewis went on to spend three years working for UK Defence, developing radar systems for naval vessels and fighter jets. Looking to take advantage of his communication skills combined with his technical skills, he went on to work as a solutions engineer in FinTech SaaS, before finding a passion for cybersecurity (namely by watching too many documentaries about ransomware) and moving on to SecureFlag.