The photo you choose to use for your social media profile image sends a strong message about who you are. If your profile photo is in a casual circumstance then it doesn't come across as professional. And worse than having a bad photo is having no photo at all.
Should I Use My Logo or My Headshot for my Profile Picture? People do business with other people, not with brands!
A research study has identified key characteristics of great business headshots. It went on to quantify how those characteristics influence perceptions of Competence, Likability, and Influence.