
Theo de Raadt (; ; born May 19, 1968 in Pretoria, South Africa) is a software engineer who lives in Calgary, Alberta, Canada. He is the founder and leader of the OpenBSD and OpenSSH projects, and was a founding member of the NetBSD project.
Childhood
Theo de Raadt is the eldest of four children to a Dutch father, and a South African mother, with two sisters and a brother. Concern over the mandatory two-year armed forces conscription in South Africa led the family to emigrate to Calgary, Alberta, Canada in November 1977. In 1983 the largest recession in Canada since the Great Depression...