In case he doesn't reply, based on the profile in his bio looks like he has a degree in E.E. and used to manage technology projects for the government.

I was an engineer, served in the military, and programming is now a hobby.

Not all diplomats are political science or economics majors. Policy touches so many sectors that it's useful to have people with backgrounds in many areas.

It's not uncommon to have prior software engineers, teachers, etc in the foreign service.