Carlo Catassi initially worked as a physician in Ancona after completing his medical training and then began his research and teaching career as a university assistant at the Marche Polytechnic University (Italy). In 2004, he was made professor of paediatrics at this institution and has been a visiting professor and co-director of the 'Center For Celiac Research' at the University of Maryland in Baltimore, USA since 2003.
Professor Catassi has been researching coeliac condition for many years. He manages the gastroenterology, nutrition and auxology department of the Clinica Pedriatica in Ancona and has published over 100 papers in various international journals.

Jernej Dolinsek is a physician from Slovenia who has been working as a paediatrician at the Maribor University Medical Center since 1996, and in 2008 took over management of the department. He specialises in paediatric gastroenterology and, in particular, coeliac condition. Besides various research activities which he also conducts in Finland, Jernej Dolinsek has written numerous papers and has spoken at the most prestigious Eastern European conferences on coeliac condition.

After completing his medical training, Mainz physician Michael Schumann moved to the USA, where he carried out research at the gastroenterological department of the American National Institute of Health (NIH) as a visiting research fellow. Since 2003, Schumann has been working as a research associate at the clinic for gastroenterology, rheumatology and infectiology at the Benjamin Franklin campus of the Charité teaching hospital in Berlin. His field of research is gliadin and the epithelial barrier of the intestine.

Having completed her training in biology, biochemistry and biophysics and specialising in nutritional sciences, Letizia Saturni is now a tutor on the masters course in dietetics and nutrition and lecturer at the college of nutritional sciences at Marche Polytechnic University in Italy. She also keeps a blog devoted exclusively to coeliac condition.

Having completed his medical training in Turin and carried out various research activities in the field of gastroenterology, Giuseppe Caula is now a gastroenterologist and manager at Valdese hospital in Turin. He has been in charge of the coeliac department since 2005. Giuseppe Caula also acts as a consultant for the Italian coeliac association AIC (Piemonte and Valle d'Aosta).

Christof Meinhold took Nutritional Science and Home Economics at the University of Giessen (1990-1996), specialising in nutritional advice and communication, nutritional ecology, pathophysiology and business studies for large budgets. He has been certified as a "Nutritional expert in allergology" by the German Allergy and Asthma Institute (DAAB). Since 1999 he has been running nutritional advice surgeries in Cologne and Bonn. His specialisms include "Nutrition with gastrointestinal diseases", "Nutrition with lipid metabolism complaints, high blood pressure and coronary heart diseases", "Food intolerances and allergies", and "Nutrition with cancer and HIV/AIDS". Mr Meinhold is a permanent member of the expert panel that answers consumer questions for the "aid information service" (www.was-wir-essen.de) and online editor for the student-teacher project www.talkingfood.de.