Stephen Arthur Stills is an American guitarist and singer-songwriter best known for his work with the Buffalo Springfield, Crosby, Stills & Nash and Crosby, Stills, Nash & Young. Stephen Stills was born in Dallas, Texas on January 3, 1945 to a military family. Moving around as a child, he developed an interest in blues and folk music. He was also influenced by Latin music after spending his teenage years in Costa Rica and the Panama Canal Zone, where he graduated from high school.