Onis Yissel Ruiz Hernandez is a singer, pianist, and music educator with an extensive background in both performance and music scholarship. She earned her Bachelor’s Degree in Musicology with honors from the University of the Arts (ISA) in Havana, Cuba. Since 2009, she has worked as a professional music teacher, teaching subjects such as Musical Analysis, Harmony, and Music Theory at the Amadeo Roldán Conservatory of Music in Havana, as well as teaching at the University of the Arts while pursuing graduate studies. She has also taught music in schools across Cuba, Mexico, and the United States.
Onis began studying music at the age of seven and has performed a wide range of international musical styles including salsa, cumbia, merengue, Cuban son, chachacha, bachata, bolero, jazz, bossa nova, samba, reggae, pop, country, blues, and more. Her musical influences include renowned artists such as Elena Burke, Elis Regina, Ella Fitzgerald, Etta James, Freddie Mercury, Diana Krall, Christina Aguilera, and Beyoncé. As a teacher, she emphasizes personalized instruction that reflects the interests and goals of each student. Her approach encourages students to develop their unique voice and musical identity, helping them grow as confident performers both on stage and in their personal musical journeys.