Richard Stengel is an NBC/MSNBC analyst and a strategic advisor to Snapchat. He recently completed his tenure as the longest serving Under Secretary of State for Public Diplomacy and Public Affairs in American history, where he oversaw the bureaus of Educational and Cultural Affairs, International Information Programs, Public Affairs, and the Global Engagement Center. Before joining the State Department, Stengel was the Editor of TIME and received an Emmy award for his work as executive producer of TIME’s documentary, Beyond 9/11: Portraits of Resilience. Stengel has written for many publications and is the author of several books including Mandela’s Way, which discusses his collaboration with Nelson Mandela on his autobiography, Long Walk to Freedom.​