Born on November, 30, 1939, in Sarajevo (Bosnia and Herzegovina).
He was educated in Bosnia Herzegovina and the United Kingdom and received the following degrees: Dipl. Ing. (Mechanical. Engineering – Energy Engineering) University of Sarajevo, Bosnia Herzegovina (1964), MSc (Thermodynamics and Related Studies) University of Birmingham, UK (1966), and PhD (Fluid Mechanics) Imperial College, University of London, UK (1970).
During the period 1964-1971, he was a research assistant, researcher and senior researcher, Institute for Thermal and Nuclear Engineering ITEN/Energoinvest, Sarajevo, Bosnia; he was Lecturer Associate (1974), (1975-78) he was Head of Department of Mechanical Engineering, University of Sarajevo and Full Professor (from 1979); (1980-87) Director, Institute for Process- Power and Environmental Engineering, then Dean of the Faculty of Mechanical Engineering, University of Sarajevo; (1985-1987) Mayor of Sarajevo; (1987-91) Minister of Science and Technology in the Government of Bosnia and Herzegovina; (1991-1993) DFG Guest Professor, Friedrich-Alexander University Erlangen-Nuernberg, Germany; (1994) Professor, Michigan University of Technology, Houghton, MI, USA; (1994-2005) Professor and Head of Section Thermal and Fluids Sciences, Faculty of Applied Sciences, Department of Multi-scale Physics, Delft University of Technology, Delft, Netherlands; he is currently guest professor at the Darmstadt University of Technology, Darmstadt, Germany.
Prof. Hanjalic is a member of the American Association of Mechanical Engineers (ASME); American Physics Society (APS); International Association of Hydraulic Research (IAHR); European Community for Flow, Turbulence and Combustion (ERCOFTAC); member of the scientific programme Committee and of the industrial advisory committee of ERCOFTAC, and chairman of the ERCOFTAC special interest group for turbulence modeling.
He is chairman of the IAHR working group on refined flow modeling, chairman of the executive committee and member of the scientific council of ICHMT (International Center for Heat Mass Transfer, Secretariat in Ankara, Turkey); Member of the Academy of Sciences and Arts of Bosnia and Hercegovina (1989), Fellow of the Institute of Physics (2004), Fellow of the Islamic World Academy of Sciences (2005).
- 1989 – Award 27 July (The highest State Award of Bosnia Herzegovina)
- 1986 – Decoration by President of Finland, Commander 1st Class in the Order Lion of Finland
- 1992 – Max-Plank Research Prize “for achievements in turbulence research” , Germany
- 2009 – Doctor Honoris Causa, University of Reims, Champagne and Ardenne, France
- 2010 – Royal Decoration, Officer in the Order Oranje-Nassau, Nl