Realistic Face Merge Expert Needed

I'm looking for a highly skilled Photoshop expert with extensive experience in photo manipulation. The primary task involves merging two photos to create a realistic image. The project also involves keeping one of the original backgrounds in the merged image.

Key Requirements:
- Proficiency in Photoshop and photo manipulation techniques
- Prior experience in creating realistic merged images
- Ability to modify and blend backgrounds seamlessly

Please include examples of your previous work in your bid.