Angga is a Fulbright scholarship grantee from Indonesia. Currently, Angga is pursuing a doctoral degree at Ohio State University with a research concentration on mobile learning in mathematics classrooms. His future goal is to be a specialist in mathematics education then develop a mobile app so that students in urban and rural areas have the same learning quality. Angga has published some articles related to e-learning, augmented reality, math anxiety, and self-concept. Angga also has experience as an editor-in-chief of scientific journals for four years. Before continuing his Ph.D. at Ohio State University, Angga taught at Universitas Pamulang, Indonesia. In addition, Angga has routinely been a volunteer teacher at rural schools, such as Bani Fadil Vocational School in Indonesia, since 2017. Angga also manage a volunteer team to teach at orphanage, to be exact, at Al-Kamilah Foundation. Angga believes that every student deserves the best education for a better future.