Dr. Ivan Joseph inspires and coaches people and teams to maximize their potential. An award-winning coach, educator, and leader, Joseph has spent his career leading cultural transformation, helping people believe in themselves, and creating cohesive teams. He speaks about self-confidence, embracing the “grit” to persevere in spite of setbacks, and leading teams to success, drawing from the lessons he’s learned from a life in sport. Dynamic and engaging, Joseph always leaves audience with a memorable experience that adds value long after the presentation ends.

Polar explorer, TED speaker, and record-breaking long-distance skier Ben Saunders fuses the spirit of adventure with impressive technical ingenuity. He has five North Pole expeditions under his belt and is best known for leading one of the most ambitious expeditions in a century. Humble and self-effacing, he is an explorer of limits and his message is one of inspiration, empowerment, and boundless potential. He explores the dichotomy between ideas and action and urges audiences to consider carefully how to spend the “tiny amount of time we each have on this planet.”

Mick Ebeling is an American film, television and commercial executive producer as well as an author, entrepreneur and philanthropist. He was named as on one of the Top 50 Most Creative People of 2014, won the SXSW Innovation Award twice in a row (2014 and 2015), and was awarded the 2014 Muhammed Ali Humanitarian of the Year Award. He is the CEO of Not Impossible, an organization that develops creative technology solutions to address real-world problems.

Erik Weihenmayer is a world-class adventurer, the first blind man to summit Mount Everest, and one of only 150 mountaineers to climb the Seven Summits. His latest and most demanding adventure is kayaking the 277 miles of the Grand Canyon. One of the most exciting and well-known athletes in the world, he never let his lack of vision interfere with his quality of life. Weihenmayer’s feats have earned him incredible press coverage and dozens of awards. He is also the author of two books and addresses leadership, teamwork, overcoming adversity, motivation, and inspiration.

Dr. Hakeem Oluseyi has three degrees, 8 U.S. patents, four E.U. patents and has hosted shows on the Science Channel and on Discovery. But more impressive is his life story. Oluseyi grew up in the roughest neighborhoods of America, learned to survive on the street, and still taught himself Einstein’s theory of relativity from an old set of encyclopedias. At every turn he was presented with a compelling option to quit and yet he persevered. Today, he is a NASA astrophysicist, a global educator, and the author of the highly-anticipated memoir A Quantum Life: My Unlikely Journey from the Streets to the Stars where he recounts his journey from the streets to the stars. Dr. Oluseyi is exclusively represented by Leading Authorities.

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.

Described as the “Warrior Storyteller,” retired Lieutenant Colonel Scott Mann is a human connection expert and coach who works alongside organizations to unite their teams around a shared vision and arm them with the tools and resources to make an impact and achieve mission success. A former U.S. Army Green Beret who specialized in unconventional, high-impact special operations in do-or-die conflict zones all over the globe, Mann applies his hard-won lessons from the battlefield to business as he shares the relationship-building techniques that drove so many of his successful combat operations. Through Rooftop Leadership, the professional training and coaching program that he founded, Mann advises servant leaders across industries — from Fortune 100 corporations (including Capital One, Walmart, Raymond James, and Fannie Mae) to local small businesses — on how to mobilize their teams, forge deeper connections with their people, and gain a more complete understanding of the opportunities that exist to create high-trust, high-performance cultures.

An adventurer, record-setter, and boundary-breaker, Darcy Gaechter is best known as the first woman - and member of the first team - to kayak the Amazon River from source to sea. The journey required her crew to paddle over 4,000 miles across the widest part of South America, a voyage that took 148 days to complete. She is also the author of The Kayaker’s Guide to Ecuador and Amazon Woman, an adventure memoir detailing her Amazon River expedition and the life challenges she faced to get there – the rights of which have been purchased to turn her story into a movie. Gaechter inspires audiences with her personal journey of overcoming obstacles and making the impossible possible – sharing useful tactics to take on even the most daunting of challenges and demonstrating how a strong belief in yourself and in your goal are key ingredients to any success.

One of only a handful of African Americans to earn a PhD in entomology, Dr. Sammy Ramsey is an inspirational science leader and communicator who has defied the odds to achieve his dreams and is a testament to the power of grit, determination, and an unwavering commitment to one’s purpose. When people said he didn’t have what it took to make his mark in entomology, he proved them wrong by making a breakthrough discovery in the field of bee research — one that could potentially reverse a devastating pandemic in bee populations. And when people told him he didn’t “look” like a scientist, he remained true to himself and redefined what a scientist could look like. Dr. Ramsey has mastered the art of unconventional thinking to arrive at innovative solutions to some of the most significant challenges shaping the future of our society and teaches organizations and individuals how they can do the same as they address their most-pressing challenges in business and life head-on.

Sergeant Dakota Meyer is a Marine Corps veteran and the recipient of the Medal of Honor, the military’s highest honor. He is the first living marine to have received the medal since 1973 and is also one of the youngest. Through five successive missions, he helped save the lives of 13 American and 23 Afghan troops. President Barack Obama awarded Meyer the medal on September 15, 2011. Meyer was also inducted into the Hall of Heroes at the Pentagon. He addresses motivation, courage, leadership, believing in yourself, doing what is right, and what happened that day in Afghanistan.

Described by the media as everything from “Superwoman undercover” to “The Pied Piper of potential,” Sarah Robb O’Hagan is an executive, activist, entrepreneur, and founder of Extreme Living — a content platform designed to help individuals, teams, and organizations play to their highest potential. Currently, she is the CEO of EXOS, the leading performance coaching company that gets people ready for the moments that matter most in their work, sport, and daily lives. EXOS clients range from NFL players and Olympians to corporate executives, military personnel, and every day people looking to manage stressors and thrive in the new normal of fast-paced modern-day life. Drawing on her decades experience at some of the world's most influential brands, she shares practical takeaways including how to make failure your fuel, discover your most competitive playing field, get out of line rather than always following conventional wisdom, and bring out the “extreme" in others.

Two-time New York Times bestselling author and sought-after leadership expert Ashley Merryman finds the science essential to understanding what makes people tick — what motivates us, what inspires us. Then she explains how to use these insights to help people discover new ways to succeed. Merryman has taught Olympians and professional athletes how to perform under pressure, advised Fortune 100 executives on building winning cultures, and coached military leaders on institutional change. In her speeches, she offers evidence-based techniques and real-world strategies that leaders can apply at every level of their organization. Her talks are filled with fascinating anecdotes and cutting-edge research. Her presentations are always thought-provoking and inspiring, as she makes complex concepts accessible to a wide audience.