Watch the livestream from Fortune’s exclusive 2015 Most Powerful Women Summit by Patricia Sellers @FortuneMagazine October 5, 2015, 12:15 PM EDT E-mail Tweet Facebook Linkedin Share icons Ivanka Trump, Michelle Obama and Megyn Kelly walk into a party… …and meet General Motors GM CEO Mary Barra, IBM IBM chief Ginni Rometty, author Anne-Marie Slaughter and 400 other women leaders in business and other fields. Also in the mix: Warren Buffett. The Berkshire Hathaway brk.a CEO attends the Fortune Most Powerful Women Summit each year. This year, as usual, Buffett will share his outlook on business and the economy—and you can watch it live. Check back here for our livestream, beginning on Monday October 12, 2015. While the annual MPW Summit, now in its 17th year, is an invitation-only gathering of the world’s most influential women, it is open to the public online. Fortune will live-stream all of the main-stage sessions, starting Monday evening—featuring interviews with Sen. Kirsten Gillibrand (D-NY) and Yahoo YHOO Global News Anchor Katie Couric—through the program’s closing speaker, U.S. Attorney General Loretta Lynch, at 11 a.m. on Wednesday, October 14. The Summit’s gala Tuesday evening program features First Lady Michelle Obama plus a conversation with Xerox CEO Ursula Burns and U.S. Chief Technology Officer Megan Smith about jobs in STEM and what it takes to build successful careers. Follow the Fortune MPW Summit coverage on Twitter at #FortuneMPW. And watch it live here on Fortune.com. Here’s a guide to who’s on and when: MONDAY, OCTOBER 12 7:30 PM-9:00 PM: Remarks by Congresswoman Elise Stefanik, U.S. House of Representatives (R-NY), followed by a conversation with Kirsten Gillibrand, U.S. Senator, New York State and Katie Couric, Global News Anchor, Yahoo TUESDAY, OCTOBER 13 9:05 AM: Fortune Global Women Leaders Award honorees Tidings Chimphondah and Hanan Khalil 9:20 AM: Warren Buffett, Chairman and CEO, Berkshire Hathaway 10:00 AM: Irene Rosenfeld, Chairman and CEO, Mondelēz International 10:20 AM: Ginni Rometty, President and CEO, IBM 10:35 AM: Marillyn Hewson, Chairman, President, and CEO, Lockheed Martin 12:05 PM: Penny Pritzker, Secretary of Commerce, U.S. Department of Commerce 12:20 PM: Gina Raimondo, Governor, Rhode Island 12:30 PM: Muriel Bowser, Mayor, Washington, D.C 12:45 PM: Michèle Flournoy, CEO, Center for a New American Security, and Fran Townsend, EVP, Worldwide Government, Legal and Business Affairs, MacAndrews & Forbes, and former Homeland Security Advisor to the U.S. 1:00 PM: Congresswoman Cathy McMorris Rodgers, U.S. House of Representatives (R-WA) 2:45 PM: Kathy Kennedy, President, Lucasfilm 3:05 PM: Lt Gen Michelle Johnson, Superintendent, United States Air Force Academy 3:20 PM: Mary Barra, CEO, General Motors 3:45 PM: Megyn Kelly, Anchor, The Kelly File, Fox News A SPECIAL FORTUNE MPW EVENING 6:30 PM: Remarks by First Lady Michelle Obama, followed by a conversation with Ursula Burns, Chairman and CEO, Xerox, and Megan Smith, U.S. Chief Technology Officer, The White House WEDNESDAY, OCTOBER 14 8:35 AM: Susan Desmond-Hellmann, CEO, Bill and Melinda Gates Foundation 9:00 AM: Heather Bresch, CEO, Mylan NV 9:15 AM: Cathy Engelbert, CEO, Deloitte 9:30 AM: Ivanka Trump, Principal, Ivanka Trump Fine Jewelry; EVP, Development and Acquisitions, The Trump Organization 9:45 AM: Mary Dillon, CEO, Ulta Beauty 9:55 AM: Anne-Marie Slaughter, President and CEO, New America 10:10 AM: TBA 10:25 AM: Greta Van Susteren, Host, On the Record with Greta Van Susteren, Fox News and Amy Walter, National Editor, The Cook Political Report 10:40 AM: Samantha Power, U.S. Permanent Representative to the UN 11:00 AM: The Honorable Loretta E. Lynch, U.S. Attorney General Click here for more on the MPW Summit and here for more Fortune MPW coverage.