Theo de Raadt
Theo de Raadt (/ˈθiː.oʊ dɛˈrɔːt/; Dutch: [ˈteː.o dɛˈraːt]; born May 19, 1968) 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.