User blog comment:Thiel217/Who is this S.H.I.E.L.D. guy?/@comment-12522-20131022100918

His name is "Streiten", and was played by Ron Glass of Firefly/Serenity with Joss Whedon. Now if you added a "y" to Streiten's name and rearranged the letters, you could spell "Serenity"". ;)