Mate at the age of 25 the entire aviation world is your oyster
Who the hell wants to employ some 18 year old f.o. anyway?
As for degrees, well if you can point out that you already had two of them by the age of 25, then no prospective employer can be in doubt as to your ability to pull finger out and study
As for bizjets, yes well, I'd worry about getting the licence first, and then getting any paid flying job you can for a few years before I start getting too excited about the old bizjets ...