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.

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.

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.

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.

A school teacher turned actor, musician, two-time national poetry slam champion, entrepreneur, and award-winning poetic voice, any given day may now find Sekou keynoting at a leadership conference, helping a Fortune 500 company with brand messaging, or even performing pieces for Barack Obama in Oprah’s backyard. Sekou is the creator of Poetic Voice, a new, cutting-edge speaking category that seamlessly fuses inspirational speaking with spoken word poetry to make messages more moving and memorable. For over 15 years, Sekou Andrews has been helping the world’s largest organizations deliver relevant information with riveting inspiration through an innovative, unconventional category of speaking called “Poetic Voice.”

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.”

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.

Katie Ledecky is a 10-time Olympic Medalist (seven Gold, three Silver) and 21-time World Championship Gold Medalist, the most for any female swimmer. She has broken 14 World Records and 37 American Records in her career. Katie was the most decorated female athlete at both Tokyo and Rio Games and had the most decorated single Olympics performance ever by a U.S. female athlete in Rio. Katie’s success has earned her USA Swimming’s Golden Goggles Award as Female Swimmer of the Year an unprecedented eight times. A recent graduate of Stanford University, Katie is passionate about the importance of education, especially STEM and leadership programs for girls. Katie went home with more hardware at the Tokyo 2020 Olympics - two gold medals and two silver medals, making her the most decorated female swimmer in individual events of all time. She also made history by winning gold at the first ever 1500m women’s event.

As an internationally recognized graffiti artist, author and entrepreneur, Erik redefines the term “keynote speaker.” Pulling from his history as both a businessman and an artist, he has grown to become one of the most sought-after corporate speakers available today. Erik’s on-stage painting seamlessly becomes a visual metaphor to the core of his message, encouraging organizations toward profitability through innovations and superior levels of performance. His list of clients includes AT&T, Disney, London School of Business, Microsoft, FedEx, Exxon Mobil, Ernst & Young, and XPrize; Erik has even been featured as a TED presenter. The responses received have been nothing short of incredible, with standing ovations to prove it.

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.

A passionate, humorous, and tireless motivator and speaker, Guber has dedicated himself to coaching current and future leaders about the importance of telling purposeful stories to propel their business success. Peter Guber is among the most successful executives and entrepreneurs in the entertainment and communications industries. Peter Guber is Chairman and CEO of the multimedia Mandalay Entertainment Group. Prior to Mandalay, Guber was Chairman and CEO of Sony Pictures Entertainment, Chairman and CEO of Polygram Entertainment, Co-Founder of Casablanca Record & Filmworks and President of Columbia Pictures. Guber produced or executive produced (personally or through his companies) films that garnered five Best Picture Academy Award nominations (winning for Rain Man) and box office hits that include The Color Purple, Midnight Express, Batman, Flashdance, and The Kids Are All Right.