That is an employee of the project and can put a picture of his choice. That has no relations to the project being a scam 
Most people in here always check all details of each project, and every people always have different opinion or perceptions. Better choice to put real profiles and photos of the Ceo and team on the website or social media account, because it will reflect the legality and credibility of your company. So that, it will increase the trust of community and potential investors 