One headshot to represent you online, in publications will not work for every single scenario. One headshot will not rule them all. Some publications papers are more serious and your image needs to portray your professionalism. Published papers, reports etc all need...
We all know we shouldn't judge a book by its cover .. but we do! It's certainly true for LinkedIN as well. If we don't have a clear photo of who we are and we don't make an effort in our professional appearance .. we are judged and we judge others for that. Who wants...