Assoc.prof. Lachezar Ivanov Manchev, MD, Ph.D. graduated in medicine at Medical Faculty, Trakia University, Stara Zagora, Bulgaria in 2010. Since 2010 he works as a radiologist in the Department of Diagnostic Imaging at University Hospital, Stara Zagora. Between 2013 and 2018 he was an assistant professor in the Department of Radiology in Medical faculty, Trakia University, Stara Zagora. Since 2018 he is an associate professor in Radiology at the same university. In his teaching practice, he presents lectures and tutorials in Bulgarian to medical, nursing, midwifery and rehabilitation students, in subject areas including X-ray, CT, MRI, Angiography, Mammography, Ultrasound, and DSG. Assoc.prof. L.Manchev presents lectures and tutorials also in English, to medical students from the United Kingdom and the Republic of Ireland. Since 2016, he works as a part-time lecturer for the Faculty of Public Health and Health Care, University Prof. Asen Zlatarov Burgas, Bulgaria. In his practice, he has passed over 10 courses in different fields of radiology. He speaks fluently English, German and Italian.