Biden Administration November 16, 2020 4:00 pm 5 Things to Know About Jen O'Malley Dillon President-elect Joe Biden has named Jen O’Malley Dillon as deputy chief of staff. Dillon has a long history of helping Democrats. Here are five things to know about the Massachusetts native. US & World Videos 4:52 NewsConference: California to help Arizona doctors with abortions 4:58 NewsConference: LA Metro safety concerns 8:08 NewsConference: Campuses in crisis 8:43 NewsConference Extra: Kudos for House Speaker Mike Johnson 7:55 NewsConference: Is LA ready for the 2028 Olympics?