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.

Cassandra “Cassi” Chandler is an innovator, strategist, investigator, and leader who has broken barriers, led diverse teams, and built cultures of motivational leadership and inclusivity at some of the world’s most important organizations, including Bank of America and the FBI. In a career that has included many “firsts” across the U.S. government and financial services industries, she served as the FBI’s first African American female special agent assistant director as well as the Bureau’s first female national spokesperson and director of public and community affairs. In addition to defining the tools motivational leaders need to mindfully build more high-performing cultures, Chandler provides actionable insights on how to move the needle while leading with empathy.

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.

Shon Hopwood is an Associate Professor of Law at Georgetown University Law Center, where he is an expert on federal courts, criminal procedure (including federal sentencing), and prisoners’ rights. Shon’s unusual legal journey began not at law school, but federal prison, where he learned to write briefs for other prisoners. Shon’s incredible story of second chances and success after failure has been featured in the The New York Times, The Washington Post, The New Yorker, NPR, and most recently, on 60 Minutes. He is the author of the memoir Law Man: My Story of Robbing Banks, Winning Supreme Cases and Finding Redemption, and an advocate for criminal justice reform.

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.

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.

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.”

Few possess Sarah Isgur’s deep level of insights and expertise when it comes to explaining transformative events in law and politics, and how society is being reshaped around them. Regarded among the nation’s most reputable and in-the-know political commentators, Isgur served as the director of the Office of Public Affairs at the U.S. Justice department from 2017-2018. She has a been a spark plug in politics for the entirety of her career, working high-profile campaign roles for several political heavyweights, including Mitt Romney and Carly Fiorina. Currently, she is a senior editor for The Dispatch, as well host of the publication’s legal podcast, “Advisory Opinions” and a professor at George Washington University’s School of Media and Public Affairs.

Working at the intersection of law, politics, and society, Timothy Heaphy is a widely respected attorney who was appointed as the lead investigator for the bipartisan United States House Select Committee on the January 6 Attack in the aftermath of the turmoil that took place at the U.S. Capitol. Heaphy is no stranger to serving the American public in the spotlight as a lead investigator, having been the University of Virginia’s general counsel, and directed the investigation and authored the report commissioned by the City of Charlottesville on the city’s handling of the August 2017 Unite the Right rally. Throughout his career, Heaphy has been a champion for principle over politics and is renowned for his unwavering commitment to our nation’s justice system and acting ahead of self-interest to arrive at fair and equitable outcomes for all through the eyes of the law.

For more than 12 years, Evy Poumpouras served as a Secret Service special agent in an action-packed career during which she was responsible for protecting the world’s most high-value assets. She was a member of the Presidential Protective Division for President Barack Obama and First Lady Michelle Obama, and also protected Presidents George W. Bush, Bill Clinton, and George H.W. Bush. Today, she is a widely recognized multimedia journalist, host, and producer who uses her skills in front of the camera and behind it to conduct headline-grabbing interviews and investigate the biggest stories in the media. She appears regularly on “TODAY,” NBC, MSNBC, and “Good Morning America” to share her sought-after expertise on national security, law enforcement, and crime, and is the host of Bravo TV’s competition series “Spy Games.” Having mastered the arts of communication and psychology in a wide-ranging career that has taken her from the Secret Service to the TV screen and everywhere in between, Poumpouras offers unconventional strategies for crushing any challenge and living life fearlessly.

Dr. Michael S. Piwowar served as a Commissioner at the US Securities and Exchange Commission (SEC) from August 15, 2013 to July 6, 2018. Previously, Dr. Piwowar was the Republican chief economist for the US Senate Committee on Banking, Housing, and Urban Affairs, where he was the lead Republican economist on the four SEC-related titles of the Dodd-Frank Act and the JOBS Act. He also worked on a number of important SEC-related oversight issues under the jurisdiction of the Committee, such as securities, over-the-counter derivatives, investor protection, market structure, and capital formation. During the financial crisis and its immediate aftermath, Dr. Piwowar served in a one-year fixed-term position at the White House as a senior economist at the President’s Council of Economic Advisers (CEA) in both the George W. Bush and Barack Obama Administrations. Exclusively represented by Leading Authorities speakers bureau, Dr. Piwowar is an economic outlook and financial policy keynote speaker, addressing fiscal trends, investments, and regulation.