Gloria Villalba is a Barcelona neurosurgeon who has performed more than 5,000 surgeries. She is a pioneer in modern psychosurgery and a reference in neuromodulation techniques.

“I don't forgive myself,” this 48-year-old doctor from Barcelona nods, hurt. "I was not like that. They have made me this way to survive in a harsh world. You must have this character, if not, they will eat you," she says.