LIVE at 3:30: U.S. CTO Megan Smith on Joining White House at Fortune Summit

Taking the stage this afternoon at Fortune’s Most Powerful Women Summit in Laguna Niguel, Calif, is the recently appointed U.S. Chief Technology Officer and Assistant to the President of the United States Megan Smith.

Smith will join Fortune’s senior editor-at-large Pattie Sellers at 3:30 pm EDT to discuss her move from Google to the White House and what she has planned as chief technology officer of the United States.

The day’s latter programming includes former U.S. Rep. Gabrielle Giffords as part of a conversation on “Rebuilding a life—and fulfilling a larger purpose,” and FOX News Channel anchor Megyn Kelly on her career path with Facebook COO Sheryl Sandberg.

WATCH via the livestream, with at Smith 3:30 pm, Giffords at 5:30 pm, and Kelly at 6:10 pm: