Xinghua Guo obtained his Ph.D. in Mass Spectrometry/Chemistry at the Chinese Academy of Sciences, China, before he moved to Germany (Alexander von-Humboldt Foundation fellow), the Netherlands and Austria. He has been working in the field of instrumental analysis, using a broad range of MS, LC-MS and GC-MS, with interests in various method developments, ranging from instrumental fundamentals, applications and organic sample preparation. Since 2006 he has worked as Assistant Professor at the Graz University of Technology (Austria), where he obtained the habilitation status (Uni. Doz.) in Analytical Chemistry, gave lectures in ‘LC-MS Bioanalysis’ and ‘Organic Instrumental Analysis’, and supervised several dissertations. Currently he is specializing in characterization of small molecules in biosimilar development in the Analytical Characterization Group at Sandoz Biopharmaceuticals, Kundl, Austria. Xinghua has (co-)authored over 70 scientific publications and 2 patents.