My former manager was a good mentor for me. He is powerful in the company and he has a lot of contacts. He also gave me a good evaluation during my internship at the company. I got a job in the same company, but with a different team so I rarely see him and he is not my manager anymore.
How can I make sure I keep in touch with him?
The reason I want to stay in touch with him is that he has the potential to give me a better job or recommend me to someone, but right now I see him rarely and I am afraid that he forgets about me.