Mariana began her ballet training at the age of 3, scoring the highest admittance score of 8,000 children applying for The Bolshoi Theater School in Brazil. Mariana trained at The Bolshoi Theater School from 2000-2007 and performed soloist roles in Brazil, Italy, Germany, France, and Russia. She was chosen to do an internship with The Bolshoi Ballet in Russia and received private coaching by Vladimir Vassiliev and Ekaterina Maximova. Mariana performed Sugar Plum Fairy in the Nutcracker, while completing her internship with The Bolshoi Ballet in Moscow.
Mariana graduated from The Bolshoi Theater School as the Valedictorian of her class, and received a Certificate of Vaganova Method for Teaching.
She then joined the professional Bolshoi Ballet company in Brazil and later the Company Ballet in Sao Paolo. She was a Finalist at the Valentina Kozlova International Ballet Competition NYC Senior Division 2015-2016. She won First Place and Honorius at the Bravo Ballet Competition in 2010.
In 2011, Mariana joined the Baltimore Ballet as a Principal Dancer. In 2013, she received a merit scholarship to The Boston Conservatory, and in 2017, graduated with her B.F.A. as the Valedictorian.