Sandra is research assistant at the Institute of Environmental Science and Technology (ICTA) of the Autonomous University of Barcelona (UAB), Spain. She holds a degree in Human Nutrition from Wageningen University (NL). Previously she has held various positions at: the University of Padova, Italy (1995-96; integrated analysis of the effects of agricultural intensification on sustainability in P.R. China,); Cornell University, Ithaca, NY, USA (1992-95; Research Assistant with Prof. David Pimentel); Istituto Nazionale di Ricerca per gli Alimenti e la Nutrizione (INRAN), Rome, Italy (1989-1991, research on adaptation to seasonal food shortages in rural Ethiopia), and the Rowett Research Institute, UK (1988-89; research on energy metabolism). She has published on a wide range of food-related subjects, such as human metabolism, characterization of sustainability and performance of food systems in relation to different dimensions of analysis, and non-conventional protein sources (entomophagy).