It goes both ways.
First he worked for HP, then Agilent, then Philips Lighting (had the same desk and phone number for thirty one years, the companies just changed around him) which is a Danish Company outsourcing their high tech jobs here, now works for a Japaneses company out sourcing its high tech jobs here.
The lower end tech jobs maybe over seas but the brain trusts are here, this is still where the research is going on.
You are correct however that may change in the future.
However you categorize the tech jobs, the fact is that many Americans trained in it are working as Wal-Mart greeters (if they are working at all) because of the importing of foreigners to take their jobs for less money.
Brain trusts alone won’t address our now-chronic unemployment.