The results is OK, I find the light could have been a little higher. The thing that bothers me the most is the choice of focal length. A longer lens would have been more flattering for a portrait. On a cropped sensor 50mm is better for head and shoulder shots IMHO.
It's either going to elongate the face and accentuate the nose, or make it chubby and, once again, bring out the nose. Otherwise, everything looks real nice.