Political Documentary Thumbnail Design

I'm looking for a skilled designer to create a bold and colorful thumbnail for a political documentary video, similar to Subhankar Mishra.

Requirements:
- Minimalistic; Bold and colorful; Professional and clean
- Key Elements: Portrait of a person, Text/Title
- Mood: Serious

Ideal skills and experience:
- Strong graphic design skills
- Experience with YouTube or documentary thumbnails
- Ability to convey serious tone through imagery and color

Please provide a portfolio with relevant work.