Christian Gnecco Quintero was born in Puebla, Mexico, to parents Dino Gnecco Medina and Rebeca Quintero Rodriguez. He attended the American Musical And Dramatic Academy (AMDA) in New York City and Los Angeles.

Christian has starred in various theatre productions. He originated the role of Julio in "The Keeper of the Vineyard," produced by the American Theatre for Actors, as well as the role of Marc in the off-Broadway production of "Sound Syndrome." He also formed part of the bilingual production of Trilogy for "Juan Rulfo," a theatre adaptation of stories written by the legendary Mexican writer, Juan Rulfo, produced by Germán Jaramillo.

Christian is part of The Puckwit Gang, a Los Angeles-based theater group, which produced the trilogy of plays, "Chimpskin," "The Dangerous Cures of Doctor B," and "In Conclusion."

In 2019 Christian was invited to become a lifetime member of The Actors Studio.

Christian starred in his feature film debut as the lead role in "The Sound of The Wind" (2020).