Helena Carvalho is a principal investigator from the university of Porto dedicated to the study of plant biology. She graduated in biology at university of Porto and holds a PhD in plant molecular biology from Faculdade de Ciências, UP. Her research was mainly developed at the Instituto de Biologia Molecular e Celular, UP (IBMC), where she directed a research group dedicated to the study of nitrogen assimilation in plants. She is also an affiliated professor at Instituto de Ciências Biomédicas Abel Salazar (ICBAS), where she teaches plant biotechnology and molecular biology.