Konstantinos Farsalinos, MD, MPH is a cardiologist and research fellow at the Onassis Cardiac Surgery Center in Athens-Greece, at the Department of Pharmacy, University of Patras-Greece and at the National School of Public Health-Greece. He is specialized in echocardiography and in smoking and tobacco harm reduction research. He was the lead researcher in Intervendor Study, a joint research project of the European and American Societies of Echocardiography. He has been conducting laboratory, clinical and epidemiological research on smoking, tobacco harm reduction and e-cigarettes as principal investigator since 2011. As of 2019, he has published more than 70 studies and articles in international peer-reviewed scientific journals about smoking, tobacco harm reduction, and e-cigarettes. He was the handling editor and author in a book titled "Analytical assessment of e-cigarettes", published by Elsevier in 2017.