From April 2007 to present: Allergology Team Leader at the Madrid Sanchinarro University Hospital in Madrid. March-December 2006: Allergology FEA at the Central Hospital of the Red Cross in Madrid. March-August 2005: FEA of Allergology at the Puerta de Hierro Hospital in Madrid. July 2003 to February 2004: FEA of Allergology at the General Hospital of Segovia. January-June 2003: Scholarship for Specialists in Allergology and Clinical Immunology, in Subjects and Techniques related to the Prevention of Occupational Risks, for study and diagnosis of patients with occupational asthma, in the Unit of Pneumology and Occupational Allergy of the National Institute of Safety and Hygiene at Work (INSHT), in Madrid. March – May 2001 and October 2001 – June 2002: Research Grant of the Spanish Society of Allergology and Clinical Immunology in the Allergy and Experimental Medicine Service of the Gregorio Marañón Hospital in Madrid. June, July and September 2001: FEA of Allergology at the Hospital del Niño Jesús in Madrid. August 2000-January 2001: FEA of Allergology at the General Hospital of Segovia. 1996-April 2000: Resident Allergology Doctor at the Puerta de Hierro Clinic (CPH).