Craig Donlon is the Principal Scientist for Oceans and Sea Ice at the European Space Agency, Noordwijk, the Netherlands. He received a Ph.D. Oceanography (1994) Department of Oceanography, University of Southampton, UK and a B.Sc. First class (Hon) in 1998 at Department of Environmental Science, University of Lancaster, UK. He worked at the Met Office UK for 5 years in the Oceanography Section, the University of Colorado, USA as an Assistant Research Professor, and at the European Commission Joint Research Centre Italy for 5 years in the Institute for Environment and Sustainability. He was coordinator for the WMO/IOC Joint Commission for Oceanography and Marine Meteorology with expert teams in sea ice, Ocean forecasting systems, wind waves and storm surges, marine safety information services, Marine emergency and response. His main interests in remote sensing of oceans and ice, operational oceanographic service delivery, oceanographic application of satellite data, development of satellite era climate data records of sea surface temperature and sea ice, design, construction, calibration and deployment of sea-going infrared radiometer systems, and validation of satellite ocean data sets. Craig is the Mission Scientist for the Copernicus Sentinel-3 and Sentinel-6 Missions, and for the CIMR mission. Find him on Twitter.