An "astute businessman" refers to someone who is very clever, sharp, and perceptive when it comes to making successful decisions and managing their business wisely. Full definition
There's a friend of mine who is known for his conservative approach to investing but he's also a highly astute businessman. (thedigeratilife.com)
I think the reason for our sluggish and and amateurish way of conducting transfer is the board fault... until we get someone who's great as dein on transfers all transfer activities should be handled solely by wenger because gazidis and may be very astute businessmen but when it comes to sport and football in particular they've prove time and time again that they are novices. (justarsenal.com)
Not only did he pave the way for European exploration there, he was also a very astute businessman, giving the natives yellow fever, measles, typhoid (among others) in exchange for syphilis. (theexpeditioner.com)