When Voyager began its first season , Piller transitioned fully to Voyager .
When Voyager began its first season , Piller was replaced as showrunner on Deep Space Nine by Ira Steven Behr , who served as showrunner for that series ' remaining years .
When Voyager began its first season , Piller transitioned fully to Voyager and was replaced as showrunner on Deep Space Nine by Ira Steven Behr , who served as showrunner for that series ' remaining years .