Born in Denizli in 1968, Halim Ceylan graduated with an honors degree from the Department of Civil Engineering at Dokuz Eylül University Faculty of Engineering in 1990, receiving the title as a Civil Engineer. In 1994, after successfully passing the exam opened by the Council of Higher Education (YÖK), he was sent abroad with a state scholarship for postgraduate studies. In 1997, at Newcastle University in the United Kingdom, he obtained a Master's degree with a thesis titled "An Assessment of Maintenance Costs and Traffic on Motorways, Trunk, and Principal Roads." He then earned a Ph.D. in 2002 with a thesis titled "A Genetic Algorithm Approach to the Equilibrium Network Design Problem."

In 2002, he returned to Türkiye and received the titles of Assistant Professor in 2002, Associate Professor in 2005 and Professor in 2012.

Between 2004 and 2009, he led the project titled "Urban Traffic Management with Genetic Algorithm and Game Theory Approaches," supported by the Scientific and Technological Research Council of Türkiye (TÜBİTAK). Halim Ceylan focuses on ITS, Traffic Planning, Intelligent Traffic Control Systems, and Public Transportation Optimization.

He has articles published in nearly 30 internationally indexed journals, papaers presented over 100 national and international conferences, and authored a book chapter. His works have been cited by around 3000 international authors, placing him at the forefront of national and international scientific fields. His numerous publications and awards have solidified his academic and professional success.

Prof. Ceylan has a good command of English. He is married and has two children.