Jerome is widely known as the creator behind Nihongo Mantappu YouTube channel, co-founder of Mantappu Corp, and Founder of Mantappu Academy who has established himself as a household name in Indonesia’s YouTube community. His enthusiasm in education led him to be the top of mind of Math edutainment content creator.He also chosen as a Brand Ambassador for prominent brand such as Samsung Team Galaxy, Frisian Flag, Promag, and created a new segment called CLASSROME (Jerome teaches Indonesian artist) & other education content through his platform.