WASHINGTON (AP) — President Barack Obama appointed a new White House adviser Friday and charged her with overseeing the execution of major policies like health care, underscoring the growing concern in the West Wing about political problems that have arisen because of poor follow-through.

The White House said Kristie Canegallo will serve as deputy chief of staff and handle a diverse portfolio that will also include the include implementing education policies and managing the drawdown of the war in Afghanistan. Canegallo’s promotion comes as Obama’s chief of staff Denis McDonough seeks to institutionalize some of the White House’s harsh lessons learned from the failed rollout of the enrollment website for the president’s signature health law.