Mariatti Jaafar received an M.Sc. degree in polymer technology and the Ph.D. degree in polymer composites from the Universiti Sains Malaysia and a degree of Licentiate from the Royal Institute of Technology, Stockholm. She is currently Professor at the Universiti Sains Malaysia (USM). She was Quality Engineer at Sony (M) Sdn. Bhd., in 1996. She is Professional Engineer with a practicing certificate in the materials engineering field. She is actively involved in research and publication. Her research interests include new innovative polymer composite materials for electronic, medical, automotive, and cable applications. She received the Top Research Scientist Malaysia Award from the Academy of Science Malaysia, in 2014, and Malaysia’s Research Star Award from Malaysia’s Ministry of Higher Education (MoHE) and Clarivate Analytics in 2017.Ye Zar Ni Htwe received M.Sc. and Ph.D. degree in Materials engineering from the Universiti Sains Malaysia. His research interests innanomaterials based conductive inks for printed flexible, stretchable, and wearable electronics applications.