Kin Rivera Jr. was born on January 24th 1980, in San Jose Costa Rica. He started playing the drums when he was 7 years old, with the help of Kin Rivera Sr. his father, and his first teacher.
He has taken classes with:
Dave Weckl, Steve Smith, Gregg Bissonette, Raul Pineda, Jimmy Branly, Carlomagno Araya, Kin Rivera Sr., Dom Famularo, Zoro, Antonio Sanchez, among others. At age 19 he recorded for the first time on a CD (exiglos), with Adrian Goizueta y el Grupo Experimental. His first project was called Ares, and they recorded the album "Ironia" on 2002.
During these recent years, he has become one of the most solicited drummers in the media, for live shows as well as recording, with a style that combines power, technique and finesse. He has worked with high caliber producers worldwide such as, Benny Faccone (Maná, Santana), Carlos Murgía (Luis Miguel) and Luis Marquez (Willie Chirino), as well as the great producers from Costa Rica, Alvaro Esquivel, Alex Orozco, Luis A. Naranjo, Felipe Contreras, among others.

Since 2004 Kin is the musician of the prestigious Brands Sabian Cymbals and Yamaha Drums, being the youngest musician from Costa Rica having endorsements from worldwide companies. He has played in different clinics and demonstrations for La Voz, as well as Bansbach. He has been hired by Sony-BMG y Universal, to appear in many of their activities, concerts, and TV shows and had the opportunity to share the stage with their artist, such as:  David Bisbal, Lico Vadelli, Patricio Borguetti, La Quinta Estación, Alexander and Chenoa, among others.
Never the less, he is still studying, and teaches private drum lessons. With his great experience, he works and has worked with the most important artists from Costa Rica, just to name a few:

Sexteto de Jazz Latino (músicos de Rubén Blades), Adrián Goizueta y el Experimental, Ares, PorPartes, Suite Doble, Kadeho, Fusión Caribe, Manuel Obregón, Masterkey, Jazz and Something Else, Enoch Samuels,Tico Jazz Band (German Paniagua), Orquesta Filarmónica, Arnoldo Castillo, Allan Guzmán, Patricio Torres, Walter Flores, Quinteto Miravalles, Sasha Campbell, Lalo Rojas, Freddy Alvez, Bernardo Quesada, Tito Oses, Jam Session (trío base-Jazz Café Neotics, among others.