Mr. Lin Hsin-yi is a Subject Matter Specialist, Mandarin Language at the School of International Cooperation, Security, and Strategic Language (SICSSL), Rashtriya Raksha University since August 2025. He is a professional Mandarin teacher who has earned the Certification of Proficiency in Teaching Chinese as a Second/Foreign Language from the Ministry of Education, Taiwan. He has participated in various academic and professional training programs to enhance his expertise in Chinese language pedagogy and cross-cultural communication. Mr. Lin has extensive teaching experience in Mandarin education, including lecture programs for students of different levels and nationalities.