'Appreciating' is a very hard thing to do. I think it's an impossible task for one man. Not only do you oversee many people, but there are so many dimensions you can appreciate in someone.

The way I see it is that for a healthy office, you need to have peers who appreciate each other in a vocal way so that the managers/leads can hear it. Cause not everyone sees what you see. You notice someone is really good with something? See someone keeping up with the literature? Find a way to bring it up in group setting. It's not a given that everyone notices what you notice.

The thing about appreciation is that you can't just say it about yourselves. It always need someone else. You cannot say things about yourself other than your outputs cause it'd only look petty. Only when someone else says it, it's considered. Of course, be proper with it.

All I'm saying is appreciation is a shared responsibility. And if you do it right you might also become someone's favorite person.