Marijan Šušnjar is a Professor at the Department of Forest Engineering, University of Zagreb. His teaching disciplines include basics of forestry mechanization, mechanization in urban and protected areas, mechanization of wood extraction, forestry techniques and technologies, environmentally acceptable techniques and technologies, and ergonomics of forest machines. His interests include technical and technological features of mechanized means of work in forestry; ergonomic, safety, and environmental convenience of forest machines; energy efficiency of forest machines and vehicles; and development of forest machines and vehicles.