Pietro Allegrini has been Research and Development Director at Indena since 2015. His industrial career has been devoted to process chemistry applied to the industrial synthesis of fine chemicals and, since 1994, active pharmaceutical ingredients. Before joining Indena he was in charge of the development and pilot plant team at Zambon Chemical Division and R&D Director at Dipharma. He has authored about 50 research papers and reviews and he is co-author of over 150 international patent applications in the areas of photochromic compounds, novel polymorphs, process chemistry, namely involving hazardous reactions, transition-metal and enzymatic catalysis and natural products. He is co-founder of ISPROCHEM, an international school of process chemistry. He is also cofounder and part of the organizing and teaching committee of the Master School in Process Development Applied to Active Pharmaceutical Ingredients of the University of Milan.