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.

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.

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.

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.

As the highest-ranking Asian American in the history of the U.S. Navy, Ambassador Harry B. Harris Jr. oversaw all military operations for more than half of the world’s geography as Commander, U.S. Pacific Command (USPACOM). Widely regarded for his leadership, Amb. Harris was selected to serve by two presidential administrations – first to lead in one of the military’s most challenging roles at a critical time when the U.S. confronted the rise of new world powers and nuclear threats, and later as U.S. Ambassador to the Republic of Korea.

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.

Marci Rossell is a world-renowned economist and financial expert known for her ability to take complex economic issues, often dull in the button-down press, and make them relevant to people’s lives, families, and careers. Her animated style was honed when she served as the popular and lively Chief Economist for CNBC and Co-Host of Squawk Box, where she became a household name and a must-watch source of financial news. An expert on investing, globalization, and trade, she uses her media and courtroom experience coupled with her expertise in business and government to address the current state of our economy, including economic recovery, restructuring, and revitalization.

As one of the most sought-after and most-quoted economists in the world, Diane Swonk has more than 30 years of experience in financial services. She is the Founder and CEO of DS Economics and, for 11 years, the senior managing director and chief economist for Mesirow Financial. She has sat on advisory committees to high-level governmental banking authorities, and has also earned many awards over her career, including being listed as one of the “Top Forecasters in the Country” by The Wall Street Journal. She addresses trade issues, regulation, taxes, policy and the markets, and many other issues affecting business and the economy.

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.

With more questions than answers in today’s economic landscape, Dana Peterson, chief economist for the Conference Board, has established herself as a visionary, and the go to expert providing insightful analysis and predictions to corporations, associations, and government organizations looking for clarity and foresight into how economic drivers might impact their businesses in the short- and long-term. With over a decade of experience in the field, she serves as the globally recognized think tank’s public face and primary spokesperson on all things related to the economy.

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.