Marianna Parnas-Simpson grew up in Ukraine and graduated with a master’s degree in Choral Conducting from the St. Petersburg Conservatory, Russia. Since 2000 Ms. Simpson has taught at Parker Elementary School, Houston ISD. In 2006 she founded Treble Choir of Houston, a choral ensemble for young women, grade 6-12. Her choirs performed multiple times at the National ACDA, TMEA, OAKE, with the Houston Symphony Orchestra; featured in Bob Chilcott’s cantata CIRCLESONG. Ms. Simpson is in high demand as a clinician and conductor in the USA and internationally. Marianna is a founding member of the Grammy Award Winner Houston Chamber Choir.