Any chance of a side view as well? Its always best to get crits with both views as there are some stuff which people might not be able to see from this one view alone. Anyway, back to the model. The first thing that struck me was the bridge of the nose specifically between the eyes - it looks very wide. Running from the corner of one eye to the other, the bridge of the nose is more rounded inward and not as wide looking as you have it here.
The nostrils I think could do with a bit of reshaping. You might think about bringing the corners of the nostrils down slightly and just make the nostrils look a bit rounder - they're looking a bit sharp at the moment.
The chin also looks a little sharp but I don't think thats outside of the human norm so its really up to you if you want to unsharpen it or not.
The neck also looks a bit thin compared to the head.
Proportionwise I have a feeling that something is out but I can't put my finger on what!
Anyway, hope the comments are of some help. The model itself looks pretty good. Oh and welcome to the group
