Massaoudi Raoudha, Engineer in Energy Engineering, Tunisian of 39 years old. She is a trainer in refrigeration and air conditioning within the Tunisian professional training agency (ATFP) since 2010. She is certified in accordance with CE regulation 303/2008 as operator of refrigeration and air conditioning systems containing HFCs. She worked as a fluids engineer for a period of 5 years. Communication manager of the Tabarka training centers union since 2018. She is a guide and facilitator for new entrepreneurs and president of the Tunisian association of refrigeration and air conditioning (ATRC).