Prof. Dr. John Holah is an applied microbiologist focused on the prevention of microbial, chemical, and foreign body contamination of food during manufacture and retail distribution. He is currently Technical Director of Holchem Laboratories (UK), a major supplier of cleaning chemicals, disinfectants and hygiene services. He is a Visiting Professor in Food Safety at Cardiff Metropolitan University and was previously Head of Food Hygiene at Campden BRI. He has been a member of the EHEDG (the European Hygienic Engineering and Design Group) since 1989 and has also chaired ISO Working Groups producing standards on hygienic design and lubricants and chaired the GFSI Working Group on the hygienic design of food facilities and equipment. He is a co-editor in the other two Elseveir books. He has published and presented hundreds of scientific papers, technical articles and presentations in food safety and hygienic design. Prof. Dr. h.c. H.L.M. (Huub) Lelieveld is President of the Global Harmonization Initiative and Fellow of the International Academy of Food Science and Technology, and was formerly at Unilever in Vlaardingen, The Netherlands. He editor or co-editor of numerous books, including several on hygiene and food safety management; novel food processing technologies and harmonization of food safety regulations. He produced chapters for many books and encyclopaedia, hundreds of scientific articles and articles for magazines and presented hundreds of papers, globally. He has been awarded doctor honoris causa at the National University of Food Technologies in Kiev, Ukraine. Frank Moerman graduated with an MSc. in Bioengineering from the University of Ghent (1991), and a BSc. in Education from Artevelde University College Ghent (2006). He worked as a fine chemical production engineer for Aji-no-moto, Co. and as a food technologist/quality manager for Kerry Ingredients. Currently he is a doctoral researcher in food/phyto-chemistry at the Catholic University of Leuven/KU Leuven. In 2002, he became a member of the European Hygienic Engineering and Design Group (EHEDG), acting as chairman of the Belgium regional section until 2005 and received an achievement award for his services in 2013. He participated in the European 5th framework project “HYFOMA” (2002-2004) on the Steering Committee. He is an active member of several EHEDG working groups, is author of a number of articles and book chapters on hygienic engineering & design and is an active trainer in hygienic design and cleaning technologies.