That's an okay idea but it still dependent on secrets. The first time some books a flight or hotel on your behalf or your company pays an expense report, it's n

That's an okay idea but it still dependent on secrets. The first time some books a flight or hotel on your behalf or your company pays an expense report, it's no longer a secret. But your third point of having a variety of public names is good. Ideally, don't connect or link them in any way either.