One of the true legends of baseball, "Iron Man" Cal Ripken, Jr. broke several professional records during his 21 seasons, but none is as sacred as his consecutive-games-played record. Shattering Lou Gehrig's streak of 2,131 games by more than 500, Ripken displayed perseverance, endurance, and an everyday work ethic that endeared him to fans, transformed him into a national icon, and some argue, even saved baseball at its darkest moment. An inspirational speaker, philanthropist, businessman, and best-selling author, Cal Ripken, Jr. is the personification of leadership, commitment, and excellence. In warm and witty presentations filled with stories from his illustrious career, he shares how his keys to success apply to both the business world as well as the baseball field.

Colin O'Brady is a professional endurance athlete who has achieved four world records. He grew up exploring the mountains of the Pacific Northwest and cultivated a passion for adventure in the outdoors. His success swimming in Oregon led him to Yale University. After years as a professional triathlete, he returned to his first love - the mountains. In 2016 Colin conquered the speed records for the Explorers Grand Slam and Seven Summits, a global mountaineering challenge to climb the tallest mountain on every continent including Mt. Everest and ski to the North and South Poles. In 2018 Colin shattered the speed record for the 50 High Points Challenge when he summited the highest point in each of the 50 states in just 21 days. On December 26, 2018 he became the first person to cross the landmass of Antarctica solo, unaided by kites or resupplies. He accomplished the feat in 54 days, covering more than 930 miles along the way, including more than 77 miles in the final 32-hour window where he went without sleep. Throughout the nearly two-month journey, O’Brady never took a full day off.

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.

Mark Jenkins is a field staff writer for National Geographic Magazine and writer-in-residence at the University of Wyoming. In 2009 he won the National Magazine Award for photojournalism, along with his colleague Brint Stirton, for their National Geographic story “Who Murdered The Mountain Gorillas.” Jenkins was “The Hard Way” columnist for Outside magazine for eight years. He is the author of three books: The Hard Way (Simon and Schuster, 2002), To Timbuktu (William Morrow, 1997), and Off the Map (William Morrow, 1992). He resides in Laramie, Wyoming, with his wife and two daughters.

Kevin Kallaugher (Kal) is the international award-winning editorial cartoonist for the Economist and The Baltimore Sun. His diverse portfolio includes more than 8,000 cartoons, 140 covers, and six books. In lively, illustrated presentations, Kal draws on stage while touching on themes like the uniqueness of our political system and the role of cartoons in free speech. He shares insights on current events, politics, and the economy and offers audiences a unique surprise to take home after his talks. He has lectured at TED, Harvard, Pixar, and Google among others. Offering an exciting twist for meetings and events, his presentations are always funny, interactive, and memorable.

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.

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.