Louis Calvarin is a graduate of the École Polytechnique who has a PhD from the Paris École des Mines in process engineering. He has over 30 years’ experience in the chemical manufacturing sector in Europe and the Americas. Mr Calvarin was senior vice president of Innophos, a NASDAQ-listed specialist in the production of specialty-grade phosphate products. Prior to this, he was director of manufacturing at Rhodia Specialty Phosphates.