Born in Cedar Rapids, Iowa, he pursued theater studies, earning a Master of Fine Arts from the University of Alabama. Gaining prominence with his role as Benjamin Linus on the TV series "Lost," he showcased a talent for portraying complex characters. Emerson also starred in "Person of Interest" as Harold Finch, further establishing his place in television. His stage work includes performances in Shakespearean productions. His career is marked by awards and critical acclaim for his compelling performances.