Theoharis is a trained computer scientist with an MBA in Entrepreneurship (both from Imperial College). After working on a number of consulting projects in the UK with PA Consulting Group, he returned to his native Greece in 2004. His day job is with Information Society SA, the e-government agency of the Greek Government, currently implementing €1.8Bn worth of projects.
Theoharis is also an avid follower of the entrepreneurship scene in Greece, being an entrepreneur himself by building and running a villa renting business from scratch on the island of Paros. He is also a firm believer in the correct use of technological solutions and is trying to use them whenever possible.