Even though it's impossible to recommend one chair that is going to work for everyone, there is one ergonomic chair that a lot of people are going to enjoy sitting in.  This chair is the Terra task Chair. This chair is made by a company known as VIA Seating. 

Even though it's not at the top of the price scale, it's not at the bottom either.  The price range that you are going to find for this chair is anywhere from $300 up to $700.   Are Ergonomic Kneeling Chairs Good for You

The thing that is a very popular feature on this chair is that you don't have to settle for a particular size or style.  When you are buying the chair, there are three sizes of seats to choose from,  three sizes of back support, four different mechanisms for adjustable seats, three options for arms, and lots of fabric grades and colors to choose from. 

This is definitely the chair that is going to please anyone's taste and style. It doesn't matter what type of body type you have or what color you are going to need, this chair is going to have it all.  You don't have to settle for something that isn't going to be comfortable for you, and you don't have to settle for one that won't go with your décor.

Chances are you are going to find more expensive chairs that are going to look neat, but they aren't going to give you the choices that this chair is going to give you.  This is the best chair that you will find for the money and the one that is going to put you in the most control.