Zoltán Mester was born and raised in Hungary. He completed his PhD in chemistry splitting his time between his alma mater in Budapest and ENEA, Rome, Italy. After a short postdoctoral stint at the University of Waterloo, Canada in 1999 he joined the chemistry program of the National Research Council Canada (NRC) in Ottawa. Since 2010 he is heading the inorganic chemical measurement science activities at NRC. His research interest encompasses analytical mass spectrometry, sampling, sample preparation and sample introduction. He is currently serving as the President of the Analytical Chemistry Division of IUPAC. He also represents Canada at the Consultative Committee for Amount of Substance which is responsible for the upkeep of the chemists’ SI unit, the mole. Apart from pure research and international outreach activities he is also involved training the next generation of analytical chemists / chemical metrologists by hosting and working with many students in his lab at NRC over the years and maintaining close relations with various universities including Queen’s University, Kingston, Canada and Trent University, Peterborough, Canada where he is an adjunct professor. He has published over 180 peer reviewed papers, 3 book chapters and edited a book on sample preparation. Over the years he gave numerous invited, keynote and plenary presentations at various conferences and he lectures regularly at universities and research institutions around world.