Our Team
The minds behind our work.
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Surya Danusaputro Liman, Ph.D.
Surya Danusaputro Liman, Ph.D.
Surya is the Vice Rector at Sampoerna University, Indonesia. He earned a Doctor of Philosophy degree in Industrial Engineering from the University of Florida, USA. He has received several awards, such as serving on the National Science Foundation Proposal Review Panel, being a Program Coordinator at Sichuan University Pittsburgh Institute, China, an Adjunct Professor at Kasetsart University & NIDA Graduate School, Thailand, a Member of the Texas Department of Transportation Task Force, a Member of the Texas Tech University Teaching Academy, and Professor of the Year at Texas Tech University.
Dr. Eng. Ir. Farid Triawan, S.T., M.Eng.
Dr. Eng. Ir. Farid Triawan, S.T., M.Eng.
Farid is the Dean of the Faculty of Engineering and Technology at Sampoerna University, Indonesia. He received his Bachelor’s degree from Bandung Institute of Technology, Indonesia, in 2005, then Master’s and Doctoral degrees from Tokyo Institute of Technology ('Institute of Science Tokyo' now), Japan, in 2009 and 2012, respectively. After earning the doctoral degree, he moved to Osaka and worked for 3.5 years in a Japanese heavy industry company as a research engineer. In 2015, he returned to Tokyo Tech as a full-time lecturer (Specially-appointed Associate Professor). Since April 2018 to the present, he has served Tokyo Tech as a Visiting Associate Professor. His fields of interest are Mechanics of Materials, Damage Mechanics, Mechanical Product Design, and Engineering Education.
Kushendarsyah Saptaji, ST., MSc., PhD, CEng MIMechE, IPM
Kushendarsyah Saptaji, ST., MSc., PhD, CEng MIMechE, IPM
Kushendarsyah Saptaji is the Head of the Mechanical Engineering Department, Faculty of Engineering and Technology, Sampoerna University, Indonesia. He obtained his B. Eng. in Metallurgy Engineering from the Institut Teknologi Bandung (ITB) in 2000 with cum laude predicate. He received the ASEAN Graduate scholarship in 2006 to pursue his M.Sc. degree at the Nanyang Technological University (NTU) Singapore with a major in Mechanics and Processes of Materials. He finished his PhD from the School of Mechanical and Aerospace Engineering NTU in 2012.
His specialization and expertise are in conventional and advanced machining, micro-machining, engineering design, finite element analysis, failure analysis, physical metallurgy, traditional and advanced ceramics. Kush has extensive experience in teaching and learning engineering courses such as Manufacturing Process, Computer Aided Engineering Design (CAED), Engineering Statics, Dynamics and Heat Transfer. He was a Research Fellow in NTU from 2012 until 2015 and Senior Lecturer in Faculty of Manufacturing Engineering, Universiti Malaysia Pahang, Malaysia from 2015 until 2019.
Dr. Rindu Twidi Bethary, ST., MT.
Dr. Rindu Twidi Bethary, ST., MT.
Dr. Rindu Twidi Bethary is a lecturer in the Department of Civil Engineering at Universitas Sultan Ageng Tirtayasa, where she also serves as the Head of the Civil Engineering Department. Her academic and research expertise focuses on transportation engineering and pavement materials.
She has been actively involved in various research projects related to asphalt materials, sustainable pavement technology, and the utilization of industrial waste in road construction. Her work contributes to the development of innovative and environmentally friendly infrastructure solutions.
In addition to her academic role, she is committed to advancing engineering education through curriculum development and research-driven learning, ensuring graduates are well-prepared to meet industry and societal challenges.
Ravlesya Dian Elaiza Wibowo, S.T.
Ravlesya Dian Elaiza Wibowo, S.T.
Ravlesya Dian Elaiza Wibowo is a graduate of Yogyakarta State University and a member of the research team at Sampoerna University’s Project Laboratory. Her work focuses on sustainable material development, particularly in the utilization of plastic waste for asphalt applications.
She has been actively involved in laboratory research, including plastic processing, asphalt mixture design, and performance evaluation. In addition, she supports laboratory operations such as material testing, data analysis, and experimental development.
Muhammad Shobri, S.T., B.Sc.
Muhammad Shobri, S.T., B.Sc.
Muhammad Shobri is a Mechanical Engineering graduate from Sampoerna University, Indonesia, where he completed a double degree program in collaboration with the University of Arizona, USA. He is currently serving as the Technical & Mechanical Engineer. His specialization and expertise are in 3D modelling and technical drafting, as well as mechanical and machine design, with strong capabilities in developing practical and efficient engineering solutions.
In his current role, he is responsible for managing technical aspects of the laboratory, including machine maintenance, modification, and continuous improvement. He is actively involved in innovating and optimizing laboratory equipment to enhance performance and support the development of plastic asphalt materials. His work combines hands-on engineering practice with design-oriented thinking to ensure reliable and effective laboratory operations.
DR. Ramadhansyah Putra Jaya
Pavement Expert (Visiting Professor)
DR. Ramadhansyah Putra Jaya
Pavement Expert (Visiting Professor)
Ramadhansyah Putra Jaya attained his BEng in Civil Engineering from Syiah Kuala University, an MScEng in Highway Engineering, and a PhD in Advanced Concrete Technology from the University of Science, Malaysia. He has garnered numerous accolades both domestically and internationally for his research endeavors. Noteworthy among these are the Best Engineering Student Thesis Award (2008), the Excellent Service Award (2018), and the Research Excellence Award (2019). He has also been recognized for his innovations, including High Early Strength Pervious Concrete, Waste Cooking Oil as a Bio Binder, Hybrid Binder for Self-Healing Asphalt, and the use of Waste Plastic in Asphalt to create Green Roads.
Furthermore, he has been honored with the Global Top Reviewers in Materials Science Award by the Web of Science in the United States. In 2020 he received the esteemed Howard Medal from the Institution of Civil Engineers in the United Kingdom for his publication on Nanomaterials. As of 2022, his name has been included in the roster of the world's top 2% scientists by Stanford University and Elsevier B.V. His prolific contributions comprise over 400 articles, proceedings, books, and chapters, with 330 articles indexed in Scopus, reflecting an h-index of 30, and 290 articles indexed by the Web of Science. Presently, he serves as an Academic Editor for several esteemed journals and holds an executive position on the Editorial Board, in addition to assuming Guest Editor roles for numerous Special Issues in high-impact journals.
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