Complex sentence: Her first professional theatrical job was with the Wayne P. Sewell Production Company, a touring theater company based in Atlanta, for which she produced and directed plays and musicals for local organizations in small towns throughout the southeastern United States.
Split into simpler sentences: Her first professional theatrical work was with the Wayne P. Sewell Production Company, a touring theater company based in Atlanta. She produced and directed plays and musicals for local organizations in small towns throughout the southeastern United States.