Griblas, a Brazilian-Chilean cellist, began his cello studies in 2005 at the age of 14 at the Liceu de Artes e Ofícios Cláudio Santoro, in his hometown of Manaus, the capital of the state of Amazonas. He started taking lessons with the Belarusian professor Anton Minenkov, completing the course in 2013. In the same year, he was accepted after auditioning for the Amazon Philharmonic Orchestra, the principal orchestra of the renowned Teatro Amazonas, home to the famous Amazonas Opera Festival and one of the most active orchestras in Brazil. Griblas was the first unative of Manaus to join the cello section, which until then had been composed exclusively of Russian, Italian, Bulgarian, and Belarusian musicians.

He served as Principal Cellist of the Experimental Orchestra of the Amazonas Philharmonic, Assistant Principal Cellist of the Amazonas Chamber Orchestra, and Cello Tutti in the Amazonas Philharmonic. He has also performed with various other orchestras, including the Mariuccia Iacovino Symphony Orchestra (RJ) and the California Artist Symphony, with numerous performances in Brazil, Argentina, and the United States.

He holds a degree in Music from Claretiano University and completed an Artist Certificate program under the guidance of the renowned cellist Dr. Marek Szpakiewicz at Azusa Pacific University in California.