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 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.

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.

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.

Nikkia Reveillac is a trailblazing executive insights and innovation leader, business consultant, podcast host, and speaker. She has overcome significant obstacles throughout her career to deliver exceptional results at some of the world’s most influential tech, entertainment, and consumer packaged goods companies. She has drawn upon her creative background as a professional dancer, her unique multicultural perspective as a Caribbean woman, her entrepreneurial instincts, two decades of experience building global industry-leading teams, and her distinctly humane way of framing all manner of questions to bring meaningful transformation everywhere she has been. Reveillac was instrumental in helping Netflix define its first-ever brand promise, created a safer organizational culture at Twitter during the tumultuous pandemic years and 2020 U.S. election cycle, helped develop innovative oral care solutions for consumers in Sub-Saharan Africa at Colgate, grew high-performing and emotionally intelligent teams at all of her companies, and was the first to launch an online marketplace for Trinidad Carnival costumes. Today, she advises businesses of all sizes to leverage research, data, and insights for disruptive innovation and brand building, and she mentors junior and senior talent for career growth.

Bran Ferren is a designer and technologist working in entertainment, product development, engineering, architecture, and the sciences. He is former president of research and development, and creative technology for Walt Disney. Once known for entertaining millions by creating special effects for Hollywood, theme parks and Broadway, Applied Minds co-founder Bran Ferren now solves impossible tech challenges with previously unimaginable inventions. He has been named one of the “100 Most Creative People in Business” by Fast Company.

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.

Brian Solis is Principal Analyst and Futurist at Altimeter, the digital analyst group at Prophet and a digital anthropologist who studies disruptive technology and its impact on business and society. He is also a world-renowned keynote speaker who has earned accolades from organizers, audiences and media alike. Additionally, Brian is an award-winning author of seven best-selling books including X: The Experience When Business Meets Design, What’s the Future of Business (WTF) and The End of Business as Usual.

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.”

Dr. Lior Zoref is a researcher, advisor, TED speaker, and author of the best-selling book, Mindsharing – the art of crowd sourcing everything about the power of collective intelligence. His book was translated to many languages and was listed by Inc. magazine as one of the best books for entrepreneurs along with books by Richard Branson, Elon Musk, and Tony Hsieh. Dr. Zoref has been invited to speak at some of the world’s most innovative organizations, including Google, MIT Media Lab, Columbia University, The White House, Nike, Microsoft, and LinkedIn.

Paul Ryan served ten terms in the U.S. House of Representative and as Speaker of the House from 2015 to 2019. Known for his meteoric rise in politics and often praised for his seriousness and honesty, Ryan is a committed conservative and public servant who has spent his life advocating for real solutions that expand opportunity for Americans. Before serving as Speaker of the House, he was Chair of the House Budget Committee, Chair of the House Ways and Means Committee, and a U.S. Vice Presidential candidate. He is exclusively represented by Leading Authorities speakers bureau.

In a public service career that spans more than three decades and includes service in two presidential administrations, as well as two terms in the United States Senate (R-Ohio, 2011-2023) and six terms in the United States House of Representatives, Rob Portman has been among the most influential presences in American politics and policy. He has held various high-ranking government roles through the course of his career. In addition to the aforementioned roles, Portman was the 14th U.S. Trade Representative (2005-2006), as well as the director of the Office of Management and Budget under President George W. Bush. Portman is known for his civility, successful bipartisan policymaking, work ethic, and extensive expertise of a broad range of complex issues. With more than 220 of his bills signed into law by Presidents Biden, Trump, and Obama during his tenure in the Senate, it is impossible to overstate his impact on American politics.