Dr. Firmansyah Rachman Universitas Muhammadiyah Aceh; Indonesia Email: firmansyah@unmuha.ac.id ORCID number 0000-0002-5074-1427 Dr. Firmansyah Rachman is the Head of the Master Program of Civil Engineering at Universitas Muhammadiyah Aceh, Indonesia. He obtained his Bachelor of Engineering in traffic engineering from Universitas Syiah Kuala in 2009. He earned his master’s and Ph.D. degrees in civil engineering from National Cheng Kung University in 2014 and 2024, respectively. His research emphasizes sustainable pavement materials using various waste products to enhance road durability and environmental sustainability. Dr. Rachman has published over 38 scientific works, including seven in Q1 journals, and has more than 77 citations. He has received multiple accolades, including Best Paper Awards at notable conferences and recognition from prestigious institutions. He serves as the chief editor of the Journal of Sustainable Civil Engineering Insights, published by UNMUHA. Dr. Rachman is also a member of the Institution of Engineers Indonesia and holds the ASEAN Engineer title, underscoring his commitment to civil engineering advancement.