Ts. Dr. Siti Hajar Halili is an Associate Professor at Universiti Malaya and Head of the Curriculum & Instructional Technology Department. A professional technologist (Ts) under MBOT, she was formerly with the Research Division of the Prime Minister’s Department in Malaysia. She holds a Ph.D. in Adult Education Technology, a Master’s in Educational Technology (USM) and a Degree in Information System Technology Management (UiTM). She has extensive experience in teaching and training in Instructional Design & Technology. Her expertise focuses on Instructional Design in Technology-Enhanced Learning (ID-TeL) (Flipped Learning & Open Distance Learning), Open Education and Digital Curriculum. She actively publishes in ISI, SCOPUS, national, and international journals, as well as books and book chapters. She has received multiple awards, including the Dean’s Award, Best Presentation Award, Excellent Service Award, Gold Award, and Most Outstanding Reviewer. She is also an ODL expert, Programme Coordinator for UM’s ODL and Master of Instructional Technology program, and Head Auditor for the Faculty of Education. She was also the Chief Editor of Jurnal Penyelidikan Pendidikan and a reviewer for various journals and conferences.