Webinar series is a series of seminar which is held by International Office Untirta through online platform in collaboration with each faculty and department in Universitas Sultan Ageng Tirtayasa. We invite national and international lecturers, practitioners, and experts to talk about some topics on cross-cultural understanding, national and international scholarship, living and studying abroad, not to mention many other interesting topics. This webinar is intended to give extra knowledge for our students as well as to provide them with a platform where they can have rapid interaction and almost instantaneous knowledge building and developing.