The International Geosynthetics Society Technical Committee on Soil Reinforcement (TC-R) and Technical Committee on Barrier Systems (TC-B) will host back-to-back workshops 20 – 23 January 2020 in Barcelona, Spain. The selected topics will be presented by revered international experts and significant time will be available for discussion and debate. These workshops follow the highly successful Munich sessions and build upon them with the most current field knowledge.