Professor Dariusz Obracaj is a Chartered Miner after graduating from Mining Collage. He graduated in 1994 from the Mining Faculty at AGH University of Science & Technology in Krakow, Poland. He holds a PhD and a DSc from the same university. Dariusz Obracaj works as a Research Scientist with almost 30 years of work and research experience in mine ventilation and miming safety. His key areas of expertise include dust control, coal mine gas management, mine fires as well as ventilation and cooling systems. Dariusz Obracaj currently serves as Vice Head of the Department of Environmental Engineering at AGH UST in Krakow.