Antonella Testa, biologist, is senior researcher at ENEA Casaccia since 1990. Her main research activities are focused on the genetic effects induced by ionizing and non-ionizing radiation and on Biological dosimetry for retrospective dose reconstruction in case of accidentally exposure to radiation. She has been involved in several studies on the DNA damage repair polymorphisms potentially involved in the individual radiosensitivity and cancer susceptibility. She also participated on biomonitoring and molecular epidemiology studies focused on occupational exposures and cancer development.