Picture Enhancement for Print

I need a professional to enhance a picture for print. The primary focus of this project is to improve the sharpness of the image.

Key requirements are:
- Reduce blurriness
- Improve overall quality and clarity
- Special emphasis on enhancing the face or person in the picture

Ideal skills and experience:
- Proficiency in photo editing software
- Strong attention to detail
- Experience with print-quality image enhancement

Please provide samples of previous work.