CHICAGO  President-elect Barack Obama is poised to move swiftly to reverse actions that President Bush took using executive authority, and his transition team is reviewing limits on stem cell research and the expansion of oil and gas drilling, among other issues, members of the team said Sunday.

As Mr. Obama prepared to make his first post-election visit to the White House on Monday, his advisers were compiling a list of policies that could be reversed by the executive powers of the new president. The assessment is under way, aides said, but a full list of policies to be overturned will not be announced by Mr. Obama until he confers with new members of his cabinet.

“There’s a lot that the president can do using his executive authority without waiting for Congressional action, and I think we’ll see the president do that,” John D. Podesta, a top transition leader, said Sunday. “He feels like he has a real mandate for change. We need to get off the course that the Bush administration has set.”

Throughout his presidency, Mr. Bush has made liberal use of his executive authority, using it to put his stamp on a range of hot-button policy issues.