Professor Sir Roger Boyle has stepped down as director of the National Institute of Clinical Outcomes Research. He has been at the centre of the row over the future of the Leeds Children's Heart Surgery Unit.
He said that he would not want his daughter to be treated at Leeds. The comments led to him being taken off the review team that is overseeing changes to children's heart surgery.
NHS England and the Care Quality Commission have confirmed that Children’s Heart Surgery Services at Leeds General Infirmary are safe.
Children's heart surgery is set to resume at Leeds General Infirmary after days of uncertainty over its future.
The Children's Heart Federation says the interests of management at the LGI have been "put ahead of critically ill children".