José Chesnoy is an independent expert and consultant on undersea fiberoptic systems, and co-founder of the Subsea Optical Fiber Communications summer school. He began his career at the Centre National de la Recherche Scientifique (CNRS) and pioneered the development of amplified submarine cables. Then he moved to Alcatel-Lucent Submarine Networks (ASN) where he successively led the development of submarine systems and WDM equipment, and was CTO of ASN before moving into independent consulting.