Retired. Previously curator of site for literature awareness on Plant Hormones (at: https://www.scoop.it/t/plant-hormones-by-julio-retamales) and working as consultant in Plant Growth Regulation. From 1985 to 2012 as faculty (up to Full Professor) at the University of Chile (Plant Hormones, Fruit Physiology). Doctoral studies at University of Hohenheim under Fritz Bangerth (Plant Hormones). Postdoctoral research stay (1990) at LARS (University of Bristol) on gibberellins (Peter Hedden's lab). 1997 to 2005 as researcher in charge of the Postharvest Unit at the Institute of Agricultural Research (INIA) in Santiago, Chile. 2005 to 2014 as Research Manager for South America in Valent BioSciences (Plant Growth Regulators).