Minimalistic Tech Thumbnail Design

I'm seeking a skilled thumbnail designer to create engaging thumbnails for my technology review videos. I'm looking for a style similar to these channels:
- ColdFusion: https://www.youtube.com/@ColdFusion/videos
- TechAltar: https://www.youtube.com/@TechAltar/videos

Requirements:
- Thumbnails should feature:
- Bold text overlays
- Human faces
- Mood/tone should be minimalistic and clean

Ideal Skills and Experience:
- Proven experience in designing YouTube thumbnails, especially for technology content
- Strong graphic design skills with a focus on minimalism
- Ability to create eye-catching compositions that incorporate bold text and human faces

Please share your relevant EXAMPLES of your work!