Hasan Öktem is a Professor in the Department of Machinery and Metal Technologies at Hereke Asım Kocabıyık Vocational School, Kocaeli University, Türkiye, where he has also served as Head of Department since 2023. He received his bachelor’s degree in Machine Education from Marmara University in 2000, his master’s degree in Design and Manufacturing Engineering from Gebze Institute of Technology in 2004, and his Ph.D. in Mechanical Engineering from Kocaeli University in 2009. He joined Kocaeli University as a lecturer in 2004 and subsequently served as Assistant Professor and Associate Professor before being promoted to Professor in 2022. His research interests include tribology, computer-aided design and manufacturing, machining, materials testing and characterization, composites, polymeric materials, and heat treatment. He also provides research and development consultancy to industrial companies and has supervised graduate theses in manufacturing, polymer composites, and tribological materials.