Svyatoslav Biryulin
Svyatoslav Biryulin used to be a CEO for some large enterprises. In 2015 he launched his own project in strategic and business consulting. Since then, he has helped many companies from different countries to expand their businesses and develop new breakthrough strategies. Svyatoslav is the creator of PBS. He's also an author of several business books you can find in a respective part of this website.