Volunteer Photo Enhancement

I'm looking for a skilled Photoshop expert to edit some photos for volunteer services. The goal is to make these photos look polished while maintaining a natural style.

Editing tasks include:
- Color correction
- Background removal
- Enhancing details
- Adding my picture to a few photos

Specific photos to be edited:
- Group photos
- Event photo
Face swaps

Ideal skills and experience:
- Proficiency in Adobe Photoshops
- Experience with photo editing, especially for group and event photos
- Strong eye for maintaining a natural look

Below is just one photo instance i need atleast 20 different
photos