Dimiar Ariesinta is a master's degree student in the last semester at the English Education Department, Universitas Negeri Yogyakarta or Yogykarta State University, Indonesia. Before that, she had graduated from Universitas Sanata Dharma, Yogyakarta, Indonesia, in 2017. Then, she and her colleagues started up a school in Surakarta. She concentrated her passion on the English Language Teaching Curriculum for Kindergarten and Junior, Multiage Education System, and Teacher Development program.
Dr. Drs. Agus Widyantoro, M.Pd, a lecturer of the English Education Department, Universitas Negeri Yogyakarta or Yogykarta State University, Indonesia. As an associate professor, he was appointed to carry out the university's duties outside teaching and supervising higher-education students' thesis. His Expertise was in the English Language Teaching, Research and Evaluation, and TEFL Methodology.