Rosina Gay Fernández-Vegue is an Embryologist and Biochemist. Her professional career has been linked to multiple Assisted Reproduction laboratories. She has also collaborated with eminent Spanish and international gynecologists. For several years, she has been coordinating research work at the Assisted Reproduction Institute of the Ruber International Hospital. 

• Embryologist at the Assisted Reproduction Institute of the Ruber Internacional Hospital.  
• Biologist in the Genetics and In Vitro Fertilization Laboratory at Clínica 2200.
• Biologist in the Genetics, In Vitro Fertilization and Clinical Analysis Laboratories at the Instituto Madrileño de Ginecología Integral SL. 
• Degree in Biological Sciences with a major in Biochemistry from the Complutense University of Madrid.