Gerald Situmorang was born in Jakarta on May 31, 1989. He began playing guitar at the age of 13. Initially, he studied under Armstrong Pitoi of the New Breeze for 3 years, Nikita Dompas for one year where he improved his skills and grew his passion in jazz, and later he took private lessons at Institut Musik Daya with Dion Janapria for one semester. He has also participated at "Serambi Jazz Workshop" with Florian Ross, Henning Sieverts, Wolfgang Haffner, and Kai Brückner. He also took a Masterclass with Indra Lesmana.