Xavier found his first computer when he was five years old.  The old beat up laptop was broken, discarded, and almost a decade old.  The young savant pieced it together over the course of several months until he got it working.

By the time he was ten he'd taught himself several programming languages due to the fact that he did not like the OS available.  His abilities were not all golden- his natural interest in computers led him into hacking and freaking.  When he was 15 he hacked into several government computer systems and was hunted down by both the FBI and Homeland Security as a computer terrorist.  Xavier has always maintained that he simply was curious and was exploited by several older hackers who used him to get to the information.  Needless to say, Xavier found himself in Juvenile Detention rather than in High School.  When he was finally released he was not allowed to own technology of any sort.

When he was 19 he was approached by OrionTech.  Since that time he's been quietly pursing better and more interesting computers.  His experiments have led to living tissue fiberoptics, Nano processing, and AI.

Xavier is quite possibly autistic, though he's never been tested and diagnosed on the spectrum.  He is socially a stumbler.  He understands computers, how they work, understands how to make them better.  He doesn't understand people.  He doesn't understand motivations that don't lead to excellence.

His genius has been put to use to renovate the Danburth and now to design the ships workings for the McCurdy.  In many respects the McCurdy is the closest relationship he has had since his mom passed away two years ago.

Xavier wears what he likes to wear.  It is comfortable and possibly a little juvenile.  He wears glasses that are usually smudged, and tends to walk a little hunched.  When not programming he prefers to sit and watch cartoons but he doesn't play games on his phone.  When asked, he explains that it is more fun to make them than play them.  (He has several dozen he has designed available on various tablets and phones.)