I always like to meet the locals, find out what they like to do, eat, go and how they think. I love the differences and similarities in other cultures.
We often book tours with local guides. They know the in's and out's and give you an insight view.
Here are some options if you are looking for private guides in Amsterdam and/or The Netherlands:
http://www.localguiding.com/en/guides/netherlands
Tour Guides in Netherlands
Holland= All-included private Netherlands tours. Your Holland travel agent!
ToursByLocals - Private Tours By Local Guides