I'm Marko Bijelic — a digital product designer best known for collaborations with tech billionaires. The list includes Naval Ravikant, Tim Ferriss, Peter Thiel, Nick Chong (Zoom), Chris Wanstrath (GitHub), Sid Sijbrandij (GitLab), Eren Bali & Gagan Biyani (Udemy), Bryant Chou (WebFlow), Grant Haas (Haas Portman Family Office), Hiten Shah, Neil Patel.