Physician María Jesús Fernández Aceñero has earned the title of Doctor both for her unparalleled clinical practice in the area of Anatomic Pathology and for the successful publication of her thesis Prognostic value of c-erbb-2, p53 and neovascularization in Breast Cancer, which after more than 20 years is still used as a reference guide in the Oncological and Vascular Field. 

The high quality she has demonstrated in the care practice through the management of thousands of patients during his more than 2 decades of clinical activity has allowed her to reach prestigious positions in the Hospital Area. She has also been an Area Specialist in her specialty at the Móstoles University Hospital, at the Fundación Jiménez Díaz University Hospital and at the San Carlos Clinical Hospital, as well as Head of Section at the Gregorio Marañón University General Hospital and at the Clinical Hospital of Madrid. 

• Head of the Anatomic Pathology Section at the Gregorio Marañón University General Hospital. 
• Specialist in Digestive Pathology and Cytopathology at the San Carlos Clinical Hospital. 
• FEA of Pathological Anatomy at the Fundación Jiménez Díaz University Hospital.
• FEA of Pathological Anatomy at the Móstoles University Hospital
• PhD in Medicine and Pathological Anatomy  from the Autonomous University of Madrid.