Invited speaker (August 11, 2025) on the "NPCs in the Metaverse" at the 2025 International Symposium of Learning Analytics and Reflective Narratives with AI, Soochow University, Taipei, Taiwan.
Guest lecture (July 22 - 30, 2025) on the "Emerging technologies-enhanced learning" at Widya Gama Mahakam University, Muhammadiyah University of East Kalimantan, State University of Makassar, and Muhammadiyah University of Makassar, Indonesia.
Invited speaker (July 5, 2025) at the 1st International Conference on Green Engineering for Sustainable Future. Faculty of Engineering, State University of Surabaya. Indonesia
Guest lecturer (May, 2025) on the "Technology-enhanced argumentation learning" at the Special Education Department. National Taiwan Normal University, Taipei.
Invited speaker (April 21, 2025) on the International Webinar "Transforming Learning in the Digital Age: Research, Trends, and Academic Publishing" at the Educational Technology program, Faculty of Education, State University of Surabaya.
Guest speaker (December 2024) on "Intercultural x SDGs: How do they work?" at Shi Yuan High School. Taichung, Taiwan
Keynote speaker (October 2024) at the 2024 Global Digital Trends Forum. International College, Providence University, Taichung, Taiwan
Invited speaker (September 2024) at the 4th International Education Conference. Faculty of Tarbiyah and Teaching Sciences. UIN Raden Fatah Palembang, South Sumatera. Indonesia
Guest lecturer (April 2024) on Quantitative Ethnography at the Department of Special Education, National Taiwan Normal University. Taipei City
Invited speaker (March 2024) on the Epistemic Network Analysis (ENA) at Brawijaya University. Malang, Indonesia
Invited speaker (March 2024) on the Entitling a Research Paper Effectively and Concisely at the Rajamangala University of Technology Lanna, Chiang Mai, Thailand
Guest lecturer (Nov – Dec 2023) on AI-based argumentation learning at the Department of English, Chinese Culture University, Taipei, Taiwan.
Invited speaker (October 2023) to the Academic writing workshop for research publication at the State University of Surabaya, Surabaya, Indonesia
Invited speaker (September 2023) on Emerging technologies-enhanced English speaking skills at the Language Center of Chaoyuan University of Technology, Taichung, Taiwan.
Invited speaker (May 2023) on Adaptive Learning-Supported Teaching in the Indonesian Education System at the Overseas Indonesia Students Association and Ministry of Education, Republic of Indonesia.
Invited speaker (April 2023) on How AI Assists Your Learning at the Department of English, Soochow University, Taiwan.
Invited speaker (2022) on Argument and Argumentation Learning at the Department of English, Soochow University, Taiwan.
Featured speaker (April 2021) on Continuing Professional Development at the Professional Development for English Teachers in Indonesia Webinar hosted by TEFLIN (The Association for the Teaching of English as a Foreign Language in Indonesia). Recording available at https://m.youtube.com/watch?v=TvBAgYEaPNw.