10 tips to look good in business headshots

by Adam Bronkhorst

http://www.adambronkhorst.com/blog/how-to-look-good-in-staff-head-shots-photos

1. Clothing
2. Shiny skin
3. Hair
4. Makeup
5. Glasses
6. Your best side
7. The right height
8. Shut up
9. Smile
10. Visit the mirror

How to Take Perfect Headshots: Six Tips

by Christina N Dickson @ Digital Photography School

https://digital-photography-school.com/how-to-take-the-perfect-headshot-six-tips/

1. Focus on the eyes
2. Watch your angles
3. Use diffused light
4. Add a hair light
5. Avoid mid-wide angle lenses
6. Guide expression

7 Tips for a Better Headshot

by Matt Newton @ Backstage

https://www.backstage.com/magazine/article/tips-better-headshot-11730/

1. Go pro
2. Go for personality over glamour
3. It’s all about the eyes
4. Pay attention to framing, lighting, and background
5. Natural light vs. studio
6. Clothing and props
7. Don’t go crazy with the makeup

Finally, here’s a video on the subject: