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 Sun, founder and CEO of GRAVITAS, seamlessly blends stories from her data-driven insights from 11 years at McKinsey & Company and from her experience as an entrepreneur launching an innovative retail brand to offer talks that encourage audiences to choose self-confidence, work to harness their “superpower,” and use gravitas to advance personally and professionally. Sun explores why it’s vital to push past your potential, how to transform an idea into a movement, and why you’ve got to bet on yourself every single day. Sun has always had a passion for style, for inclusivity, and for helping people look and feel their best and was named one of Washingtonian Magazine's Best Dressed Women.

Rear Admiral Mike Studeman is a decorated military leader and former Commander of the Office of Naval Intelligence who stands as one of the United States’ preeminent national security officials. His distinguished 35-year career has taken him to assignments around the globe and positioned him as one of the most influential voices on intelligence, foreign policy, and defense matters. He is an internationally recognized authority on Asian affairs with deep expertise on China. Studeman has led intelligence operations at every level — from the tactical to the strategic, through crises and war – and is an accomplished foreign policy practitioner with a track record of geostrategic impact.

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.

Former Director of National Intelligence James Clapper is one of the finest intelligence minds of the 21st century. In the midst of shifting national security policies and varying threats to American interests at home and abroad, Clapper illuminates a broad array of intelligence-related issues.

A NASA astronaut, Joan Higginbotham is a trailblazing electrical engineer who in December 2006, flew aboard Space Shuttle Discovery to become the third African American woman to travel into space. Over the nearly 13-day mission, she joined the seven-member crew to continue construction of the International Space Station (ISS), embarking on four space walks and operating the station’s robotic arm. Sharing captivating insights from her 20-year distinguished career with NASA, Higginbotham inspires audiences with her personal journey of breaking barriers into space and beyond. Taking groups aboard the International Space Station and sharing her lessons-learned along the way, she highlights the keys to succeeding in her missions – including preparation, perseverance, and never giving up – and how these tactics can be applied to any endeavor.

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.

Few people have had the immense impact that Meghan O’Sullivan has had at the highest levels of geopolitics. She is a globally respected geopolitical expert who has advised the nation’s highest-ranking leaders — from President George W. Bush to Secretary of State Antony Blinken — on some of the most-complex challenges in international affairs. Currently, Dr. O’Sullivan is the Director of the Belfer Center for Science and International Affairs and the Jeane Kirkpatrick Professor of the Practice of International Affairs at Harvard University’s Kennedy School. There, she leads 300 scholars, practitioners, and staff as they advance the boundaries of international relations, security, technology, science, energy, and the environment. The Belfer Center has consistently been ranked as the world’s top academic think tank.

Described by Dr. Brené Brown as one of her “leadership heroes and a total badass,” U.S. Air Force retired Colonel, DeDe Halfhill is a proven leader who draws from 25 years of command experience and as a senior advisor to the military’s highest-ranking officials to provide a real-world perspective on the power of embracing humanness and vulnerability in leadership. Twice deployed to Iraq, DeDe’s sought-after leadership insights are grounded in personal experiences commanding and advising organizations through challenging environments — often when lives were at risk and there were no easy answers. As a senior advisor to the U.S. Secretary of Defense and the Chairman of the Joint Chiefs of Staff, DeDe was a trusted influence in developing solutions to the military’s most-pressing issues. She also served as the military’s lead spokesperson responsible for implementing plans supporting the Department of Defense’s global communications strategy.

Tracy Walder shares her incredible true story of a young woman who went straight from her college sorority to the CIA where, as a covert operative for CIA’s Counterterrorism Center, she assumed aliases, thwarted terrorist attacks, and debriefed terrorists at black sites. After the CIA, she went on to become one of the few women to work both at the CIA and FBI, serving as a Special Agent at the FBI's Los Angeles Field Office and specializing in Chinese counterintelligence operations. Walder details her riveting journey with audiences, offering her unique perspective of a woman in the male-dominated field of special operations. A TED speaker, Walder expertly discusses a range of topics including national security, foreign policy, education, and the role of women in law enforcement and intelligence and shares her impactful message: don't try to change who you are to fit what you think the job wants you to be.

Margaret Brennan is the moderator of CBS News' Face the Nation with Margaret Brennan and the network's senior foreign affairs correspondent based in Washington, DC. Brennan has reported on politics, international affairs, foreign relations, the economy, and global markets since she joined CBS News in 2012 and was named the White House and senior foreign affairs in 2017. Prior to joining CBS News, Brennan spent a decade covering global finance, anchoring a weekday show on Bloomberg Television called "InBusiness with Margaret Brennan."

Known worldwide for pursuing an incredible list of 100 Things that he wants to achieve before he dies, Sebastian Terry’s story is surprisingly not about a bucket list. It’s about something more far reaching: Permission, choice, growth, and connection. Affected by a curious mind and the death of a close friend, Sebastian experienced a moment in his life where he asked himself a simple question: “Am I happy?”. The answer was NO and so he decided to pen down a list of 100 Things that he’d always wanted to achieve. Sebastian's incredible story has grown from an entertaining tale of adventure into a global philanthropic movement that engages a growing tribe of hundreds of thousands to not just set meaningful goals, but pull the trigger and achieve them—all while helping others do the same. Guaranteed to make you laugh, cry, and inspire motivation, his talk will re-engage, connect, and inspire your organization to move forward as one.