Stavros Kromidas worked as Sales Manager for Waters Chromatography following his PhD thesis completed in 1983. From 1989 to 2001 he was Managing Director of Novia GmbH, a consultant company for analytical chemistry and is an independent consultant since then. He has worked in the area of HPLC since 1978 and has given lectures and training courses since 1984. He is author and co-author of several articles and numerous successful books.