Dr. Leana Wen is an emergency physician and professor of health policy and management at the George Washington University Milken Institute School of Public Health. A nonresident senior fellow at the Brookings Institution, she is also a contributing columnist for The Washington Post, writing on health policy and public health, and an on-air commentator for CNN as a medical analyst. The author of the critically-acclaimed book on patient advocacy, When Doctors Don’t Listen: How to Avoid Misdiagnoses and Unnecessary Tests (St. Martin’s Press, 2013), she has a forthcoming memoir to be published July 27th, Lifelines: A Doctor’s Journey in the Fight for Public Health (Metropolitan Books, 2021). Previously, she served as health commissioner for the city of Baltimore, where she led the nation’s oldest continuously operating health department to combat the opioid epidemic and improve maternal and child health. She has also worked as director of patient-centered care research in the department of emergency medicine at George Washington University; president of Planned Parenthood; global health fellow at the World Health Organization; consultant to the China Medical Board; and distinguished fellow at the Fitzhugh Mullan Institute for Health Workforce Equity.

Dr. Geoff Tabin is a medical visionary, humanitarian, accomplished mountain climber, professor of ophthalmology and global medicine at Stanford University, and co-founder of the Himalayan Cataract Project, a nonprofit organization working to eradicate preventable blindness in the developing world.

After a debilitating car crash sent Brian Boyle to the ICU, his future looked bleak. This athlete beat the odds and had one of the greatest comebacks in sports history. His message will inspire and amaze any audience.

Timothy Clark is an author, executive coach and organizational consultant. He is regarded as an authority on leadership and large-scale change. He is founder and CEO of TRClark, a management consulting, coaching, and corporate training company. Clark writes the weekly column, "On Leadership" for the Deseret News in Salt Lake City, Utah.

Over the past twenty years, Joseph Grenny has taught and advised more than one hundred thousand leaders on every major continent from the boardrooms of Fortune 500 companies to the slums of Nairobi, Kenya. He has advised CEOs and senior executives on more than a dozen major change initiatives--receiving credit from Lockheed Martin Aeronautics' President as a key factor in helping the organization win the $200 billion Joint Strike Fighter program.

With a distinguished and highly decorated career spanning more than three decades of service to his country, Lieutenant General Scott Dingle stands as an embodiment of resolute leadership and an unyielding commitment to excellence. In 2019, Dingle was appointed as the 45th Army Surgeon General and Commanding General of US Army Medical Command (USAMEDCOM), becoming the first African American male to serve in these roles, and spearheading the development and execution of the Army’s medical programs while leading complex teams through even more complex environments and advancing military healthcare infrastructure for the millions of people who depend on it.