Thyrsa is a native of Asuncion, Paraguay. After graduating from the National Institute of Fine Arts of Paraguay with a degree in Classical Ballet Pedagogy, she studied Modern Dance at the University of Oklahoma, with extensive focus on Graham and Limón techniques.
She has performed with the National Ballet of Paraguay, and as a member of Momentum Dance Company of Guatemala City, toured Guatemala and Mexico. As a founding member and Executive Director of the OKC-based Hartel Dance Group, she has performed in Oklahoma City, Tulsa, Sioux Falls, SD; Fort Myers and Orlando, FL; Austin, TX; New York City; Spain and Asuncion, Paraguay.

Ms. Da Rosa is a faculty and member of the jury of the Seminario Internacional de Danca de Brasilia since 2014, teaching classes, coaching, and judging one of the oldest dance competitions in Brazil. Every summer since 2016 she has traveled to teach and coach dancers at the Centre de la Dansa de Catalunya in Barcelona, Spain. She has taught ballet and modern dance at Oklahoma City Ballet Conservatory and Inner City Dance OKC, among others.

Ms. Da Rosa is a certified Pilates instructor, Progressing Ballet Technique, and an American Ballet Theatre® National Training Curriculum Fellowship Teacher, who has completed certification in Primary through Level 5 of the American Ballet Theatre® National Training Curriculum. She is currently a founding Director for the Oklahoma International Dance Festival and an Instructor at The School of Oklahoma City Ballet, Sooner Theatre, and Central Oklahoma Dance Company.