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.
Sometimes it's easier to understand why you don't like a photo than it is to identify why you love one. Fortunately there are a few key elements that go into almost every great portrait.
I recently came across this great infographic that spells out several ways to improve your LinkedIn profile. Don't forget to upload a great professional headshot.