Oscar Medina was born in a humble house in the country of Mexico. he grew up surrounded by a large family of musicians and singers. Thirteen siblings in total, which is one tenth. His parents were Martin and Maria Medina who instilled a love of music and song, making it participate in all kinds of musical events and introduced to the local radio and television. It was in 1975, taking Oscar thirteen years old, the family emigrated to Medina the United States, like many other Mexican families, in search of a better life. That same year, the whole family became Medina came to the gospel and a beautiful contrast to the life of Oscar.

He went to the thirteen years since he made his decision to follow Christ. At eighteen years of age, without having received any education in terms of composition, writing her first Christian song in 1980 entitled "The Day I came to." Together with his brothers, Gilberto, Henry, Martin, Patricia and Elvia, formed the group The Medina Brothers "and toured the states of California, Arizona, New Mexico and Texas, as well as several major cities in Mexico during the years 1980 to 1985. With them he recorded two albums: "Medina Brothers" and "Treasures". Then came many more compositions, which lead to his first solo recording, "Hearts of Stone" in 1985. This came after seven more, which includes 72 songs by him. These are: "Being Christian is more", "Love came," If you have faith, "" My Brother, "" All That You You, "" Do not walk in Solitude "and" Sailor "

Years later would fall in love with a beautiful daughter of Cuban origin from God, Nilda Elena Ayrado with whom marriage contract in 1989. Nilda God used to give an Oscar recordings very effective means of distribution. The corporation was formed in 1989 Sembrador Productions, through which they distribute their recordings anywhere in the world.

For twenty-five years now, Oscar Medina has continued steadfast in the call that God made him, sharing the gospel of Jesus Christ through song. God has used her songs to give to His blessing to millions. They hear on Christian radio and television throughout Latin America. The primary focus is to present the gospel of Jesus and bring to the restoration of Christian values and morals of the family and society by conducting evangelistic concerts called "peace concert". These concerts have allowed him to sing hundreds of thousands of people, both in the big cities and small towns in the Spanish-speaking countries. Tens of thousands have accepted Jesus as Savior and thousands of homes have found reconciliation and restoration. Equally important is the fact that Oscar, through concerts, has helped raise funds for a large number of projects that have benefited a large number of churches, radio stations, TV stations and charitable organizations.

He and his wife Nilda reside in California where their offices are also in the city of Ontario.