1. She relies on humor and sarcasm to get her point across and will subtly challenge the president.
2. If Mr. Trump diverges onto irrelevant topics, she will let him talk before interrupting to confidently ask to move on.
3. Mr. Trump, who made his name in real estate, is drawn to subjects like international economic developments. Ms. Sanner highlights that material and tells the president what is in the intelligence for him.
4. Mr. Trump has also shown interest in foreign leaders, particularly autocrats like President Abdel Fattah el-Sisi of Egypt, and Ms. Sanner mentions them to draw in the president on topics that he might otherwise tune out.
5. While Mr. Trump does not appear to read the intelligence reports he is given, he will examine graphs, charts and tables. Satellite pictures clearly interest him, too: He tweeted one from his intelligence brief, revealing the capabilities of some of the government’s most classified spy assets.