Complex sentence: Ellen Kathleen Pompeo (born November 10,1969) is an American actress and producer, best known for her role as Meredith Grey in the long-running ABC medical drama series "Grey's Anatomy" (2005--present).
Split into simpler sentences: Ellen Kathleen Pompeo (born November 10,1969) is an American actress and producer. She is known for her role as Meredith Grey in the ABC medical drama series "Grey's Anatomy" (2005--present).