Guillermo R. Chantre is an Associate Professor and Researcher in Weed Ecology at the Department of Agronomy of Universidad Nacional del Sur and CERZOS/CONICET (National Council of Scientific and Technological Research of Argentina). He specializes in weed ecophysiology, weed management and agricultural decision support systems. He is currently a member of the Advisory Board of the Socio-Technological Development Area for postgraduate scholarship grants at the National Council of Scientific and Technological Research of Argentina. He is also an advisor for technological scientific projects on agricultural systems and also serves as an external reviewer for several SCI journals. Jose Luis Gonzalez-Andujar is a Senior Researcher at the Spanish Research Council (CSIC) and has research interests in weed ecology and weed management. Currently he is the leader of the Weed Agroecology group and Scientific Director of the International Laboratory on Global Change (LINCGlobal). He is a member of the editorial boards of Weed Research, PLOS ONE and Agronomia y Ambiente, having served in the past as Associated Editor of Communications in Biometry and Crop Science, member of the editorial advisory committees of Biometrics, Biometry Bulletin and Journal of Agricultural, Biological and Environmental Statistics. He was also President of the Spanish Weed Science Society, President and Past-President of the Latin-American Association of Weed Science, President and Vice-President of the Spanish Biometric Society and President of the Spanish Region of the International Biometric Society, Vice-president and Secretary of the Spanish Society of Information Technology in Agriculture and Forestry. He has received national and international awards and recognitions, including Honorary Member of the Weed Science Society of America (WSSA) and an ABULAC award for conservation agriculture.