Dr Marulanda carried out his pulmonology studies at the Rio Hortega University Hospital in Valladolid (2013). During his training he was granted an external rotation to expand his studies in the area of sleep and non-invasive mechanical ventilation in the multidisciplinary sleep unit of the university hospital of Burgos by Dr Joaquin Teheran Santos. Currently works in the Unit of Sleep and Non-Invasive Ventilation of the University Hospital of Getafe where he also attends external consultation of general respiratory pathology.

Dr Marulanda works as a physician and pulmonologist consultant at the RM football club, has participated in several research studies and is a member of several scientific societies related to pulmonology. He joined IIS in September 2016 as a consultant in sleep pathology.