An IT manager in a company that is my client have extremely terrible memory. He is well aware of his shortcoming, ask people to remind him stuff they ask for an

An IT manager in a company that is my client have extremely terrible memory. He is well aware of his shortcoming, ask people to remind him stuff they ask for and is important to them, and himself writes down in notebooks everything he need to follow through. The guy is doing awesome job, pushing his department forward, he is very precise and meticulous and have years of experience in leading people and projects. He developed sharp instincts that enable him to make smart decisions regarding complex issues very fast, nevertheless he is very thoughtful and open listener and doesn't act as if he knows better than everyone else.