Monica Santhiago was born on April 1, 1975, in Porto Alegre, Brazil. Before entering the adult industry, she majored in Pedagogy and Psychopedagogy at the Pontifical Catholic University of Rio Grande do Sul and worked as a kindergarten teacher for eight years. After losing her teaching job, she transitioned into adult entertainment in 2006 at age 31, following an invitation from porn actor Don Picone. She launched her official website in 2007 and won the Erotika Video Award for Best Anal Sex Scene in 2009, cementing her reputation as a standout performer.