Konstantinos Farsalinos, MD, MPH is a physician and senior researcher at the University of Patras and the School of Public Health-University of West Attica in Greece. His field of expertise is Public Health. He has been conducting laboratory, clinical and epidemiological research on smoking, tobacco harm reduction and e-cigarettes as principal investigator since 2011. He authored the first systematic review on e-cigarette safety/risk profile, published in 2014. Additionally, he has performed research and published studies on heated tobacco products. His findings have been presented in major international scientific congresses and his studies were used in preparing the regulatory framework on e-cigarettes by the European Union. As of mid-2020, he has published more than 90 studies and articles in international peer-reviewed scientific journals about smoking, tobacco harm reduction and alternative-to-smoking nicotine products. He was the handling editor and author of a book titled "Analytical assessment of e-cigarettes", published by Elsevier in 2017. In November 2020, he was declared a Highly Cited Researcher 2019 by the Web of Science, a list of researchers (6200 scientists out of 9 million examined) with the highest impact in global science in 21 scientific fields in the past decade. During the COVID-19 pandemic, he has published 6 peer-reviewed studies and several pre-prints about the COVID-19, including the association between smoking, nicotine and COVID-19.

In 1981 Karl Fagerstrom got his Ph.D. on nicotine dependence and smoking cessation. He is the inventor of the Fagerstrom Test for Cigarette Dependence and a founding member of the Society for Research on Nicotine and Tobacco. He started the European SRNT affiliate in 1999 of which he was the president up to 2003 and was awarded the WHO medal for outstanding work in tobacco control 1999. The current main interest is on harm reeduction. He is the author of 160 publications in the area of nicotine and the first author of 110.

Peter Hajek is Professor of Clinical Psychology and Director of the Tobacco Dependence Research Unit at the Wolfson Institute of Preventive Medicine, Queen Mary University of London. His research is concerned primarily with understanding health behaviours, and developing and evaluating both behavioural and pharmacological treatments for dependent smokers and for people with weight problems. Professor Hajek is a member of a number of expert groups, advisory bodies and editorial boards, and has authored or co-authored over 350 publications.

In 1981 Karl Fagerstrom got his Ph.D. on nicotine dependence and smoking cessation. He is the inventor of the Fagerstrom Test for Cigarette Dependence and a founding member of the Society for Research on Nicotine and Tobacco. He started the European SRNT affiliate in 1999 of which he was the president up to 2003 and was awarded the WHO medal for outstanding work in tobacco control 1999. The current main interest is on harm reeduction. He is the author of 160 publications in the area of nicotine and the first author of 110.

Riccardo Polosa is the Founder of the Center of Excellence for the acceleration of HArm Reduction (CoEHAR - University of Catania, Italy). Dr Polosa is Full Professor of Internal Medicine for the same University and Director of the Center for Smoking Prevention and Treatment at the University Hospital "Policlinico-V. Emanuele” of Catania. Dr. Polosa and the CoEHAR team of researchers conduct several high-profile clinical and behavioral research in the field of smoking-related diseases. According to a bibliometric analysis, Professor Polosa is considered the most productive scientist in the world in the field of electronic cigarette research.

Miroslaw Dworniczak, PhD - chemist, freelance science journalist, former scientist and lecturer at the Department of Chemistry, Adam Mickiewicz University (Poznan, Poland). Author (under the name "Stary Chemik" - "Old Chemist") of the first blog in Poland dealing with e-cigarettes and e-liquid chemistry and safety (http://starychemik.wordpress.com - in Polish) and the webpage for complete beginners (http://epapieros.edu.pl) including a manual for beginners in English (http://epapieros.edu.pl/manual-english/).

Konstantinos Farsalinos, MD, MPH is a physician and senior researcher at the University of Patras and the School of Public Health-University of West Attica in Greece. His field of expertise is Public Health. He has been conducting laboratory, clinical and epidemiological research on smoking, tobacco harm reduction and e-cigarettes as principal investigator since 2011. He authored the first systematic review on e-cigarette safety/risk profile, published in 2014. Additionally, he has performed research and published studies on heated tobacco products. His findings have been presented in major international scientific congresses and his studies were used in preparing the regulatory framework on e-cigarettes by the European Union. As of mid-2020, he has published more than 90 studies and articles in international peer-reviewed scientific journals about smoking, tobacco harm reduction and alternative-to-smoking nicotine products. He was the handling editor and author of a book titled "Analytical assessment of e-cigarettes", published by Elsevier in 2017. In November 2020, he was declared a Highly Cited Researcher 2019 by the Web of Science, a list of researchers (6200 scientists out of 9 million examined) with the highest impact in global science in 21 scientific fields in the past decade. During the COVID-19 pandemic, he has published 6 peer-reviewed studies and several pre-prints about the COVID-19, including the association between smoking, nicotine and COVID-19.

Clive Bates has had a diverse career in the public, private and not-for-profit sectors. Starting out with IBM, he then switched career to work in the environment movement. From 1997-2003 he was Director of Action on Smoking and Health (UK), campaigning to reduce the harms caused by tobacco. In 2003 he joined Prime Minister Tony Blair’s Strategy Unit as a civil servant and worked in senior roles in the public sector and for the United Nations in Sudan. He is now Director of The Counterfactual, a consulting and advocacy practice focussed on a pragmatic approach to sustainability and public health.  

Miroslaw Dworniczak, PhD - chemist, freelance science journalist, former scientist and lecturer at the Department of Chemistry, Adam Mickiewicz University (Poznan, Poland). Author (under the name "Stary Chemik" - "Old Chemist") of the first blog in Poland dealing with e-cigarettes and e-liquid chemistry and safety (http://starychemik.wordpress.com - in Polish) and the webpage for complete beginners (http://epapieros.edu.pl) including a manual for beginners in English (http://epapieros.edu.pl/manual-english/).

Clive Bates has had a diverse career in the public, private and not-for-profit sectors. Starting out with IBM, he then switched career to work in the environment movement. From 1997-2003 he was Director of Action on Smoking and Health (UK), campaigning to reduce the harms caused by tobacco. In 2003 he joined Prime Minister Tony Blair’s Strategy Unit as a civil servant and worked in senior roles in the public sector and for the United Nations in Sudan. He is now Director of The Counterfactual, a consulting and advocacy practice focussed on a pragmatic approach to sustainability and public health.