Realistic Doctor Caricature

I'm looking for a skilled artist to create a realistic caricature of a doctor with slight exaggeration of features. This will be used for promotional material, so it needs to be professional yet engaging.

Requirements:
- Realistic style with slight exaggeration
- Professional appearance suitable for promotional use
- Plain background

Ideal Skills and Experience:
- Experience in creating realistic caricatures
- Strong attention to detail
- Ability to capture professional likenesses