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.

Lisa Jaster is one of only three women to graduate from the first integrated United States Army Ranger program, which is one of the most difficult combat training courses in the world, and she was the first female Army Reserve officer to become Ranger qualified. Lisa continues to demonstrate that barriers are meant to be broken and exemplifies how perseverance and hard work are absolutely essential to achieving your goals. Filled with humorous stories and moving anecdotes, her talks leave audiences inspired to push past adversity no matter the cost and better their lives.

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.

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.

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.

Carla Harris is Vice Chairman of Wealth Management and Senior Client Advisor at Morgan Stanley. She was Chair of the Morgan Stanley Foundation from 2005 to 2014, and sits on the boards of several community organizations. In August 2013, Carla was appointed by President Barack Obama to chair the National Women’s Business Council. She is a gospel recording artist and a popular public speaker who gives impactful career guidance to corporate audiences based on her book, “Expect to Win.” Carla joined Morgan Stanley in 1987 after completing an AB in economics from Harvard University and an MBA from Harvard Business School.

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.

Conquering grave challenges to become a successful entrepreneur, Chris Gardner is an avid motivational and inspirational speaker, addressing the keys to overcoming obstacles and breaking cycles. He is great for groups looking for a speaker who has “walked the walk” and accomplished things that no one else thought they would be able to do. He is also a passionate philanthropist whose work has been recognized by many esteemed organizations and discusses commitment and fatherhood.

Scott spent almost ten years as a nightclub promoter in New York City before leaving to volunteer on a hospital ship off the coast of Liberia, West Africa, as a volunteer photo journalist. Returning home to New York City two years later, he founded the non-profit organization, charity: water, in 2006. Turning his full attention to the global water crisis and the world’s 663 million people without clean water to drink, he created public installations and innovative online fundraising platforms to spread international awareness of the issue.

Marga Hoek is a member of Thinkers50, she is that rare combination: a true visionary on sustainable business and capital and a successful, innovative business leader who understands and applies the commercial realities of business. Operating at the highest level with ministers and presidents, Marga is a global voice for G20, G7 Climate Change and Cop 23 and a regular contributor for prestigious, global media like Forbes Magazine, Fortune and The Huffington Post. Her latest book The Trillion Dollar Shift, on the business opportunities of the Sustainable Development Goals, received an international, gold medal.

Damon West, M.S. Criminal Justice, is a college professor, nationally known keynote speaker and best-selling author (with best-selling author and motivational speaker Jon Gordon) of The Coffee Bean: A Simple Lesson to Create Positive Change. His first book and autobiography, The Change Agent: How a Former College QB Sentenced to Life in Prison Transformed His World, was published just three years after his release from a Texas maximum-security prison. At 20 years old, he was a Division 1 starting quarterback at the University of North Texas, when he suffered a career ending injury. He turned to hard core drugs to cope with the disappointments of life. After graduation, he worked in the United States Congress, was a national fundraiser on a U.S. Presidential campaign and eventually trained to be a stock-broker for United Bank of Switzerland (UBS). One day at UBS, he was introduced to methamphetamines; he became instantly hooked—and the lives of so many innocent people would forever be changed by the choices he made in order to feed his insatiable meth habit. After a fateful discussion during his incarceration with a seasoned convict, Damon had a spiritual awakening. He learned that, like a coffee bean changing with the application of heat and pressure, he was capable of changing the environment around him. Armed with a program of recovery, a renewed faith, and a miraculous second chance at life, Damon emerged from over seven years of prison a changed man. His story of redemption, grit and determination continues to inspire audiences. today.

Andrew Winston, founder of Winston Eco-Strategies, is a globally recognized expert on how companies can profit from solving the world’s biggest challenges. His views on strategy have been sought after by many of the world’s leading companies, including HP, Ingersoll Rand, J&J, Kimberly-Clark, Marriott, PepsiCo, PwC, and Unilever. Andrew's latest book, The Big Pivot was selected as one of the "Best Business Books" by Strategy+Business magazine. Andrew’s first book, Green to Gold, was the top-selling green business title of the last decade, selling more than 100,000 copies in seven languages. Inc. Magazine included Green to Gold on its all-time list of 30 books that every manager should own. Andrew’s speeches around the globe, including a TED talk, provide a practical and optimistic roadmap to help leaders build thriving, resilient companies in a volatile world. He received degrees in economics, business, and environmental management from Princeton, Columbia, and Yale.