After completing his training as an IT-system electronics technician, Andreas Köster studied Business Communications (M.A.) at University of Applied Sciences Berlin (HTW). He did research in the field of social media communication and is the author of numerous professional articles. Afterwards, he went on to work for BIG Social Media (a company of USU AG) for five years, first as a consultant and later on as divisional head of Social Media Analysis. Since 2016 he has been Head of Communications with Garamantis.