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/).

Dr Roberto A Sussman (PhD University of London) is a full time senior researcher and lecturer at the Institute for Nuclear Sciences of the National University of Mexico. His main research areas are General Relativity and Cosmology, but he has conducted research in other areas of Physics, including peer reviewed publications on e-cigarette aerosols. He is also the founder and Director of Pro-Vapeo Mexico, an association representing Mexican consumers of noncombustible nicotine products and is a member of INNCO. He is actively advocating for an appropriate regulation of Tobacco Harm Reduction products in Mexico. He directs and supervises the effort to spread scientific information on these products, as well as advising consumers on how to counter the governmental misinformation and prejudice about them that is rampant throughout Latin America.