Preeminent neuroscientist and psychologist Dr. Matthew Walker is a celebrated sleep expert. A Professor of Neuroscience and Psychology at UC Berkeley, Dr. Walker is also the founder and director of the school's Center for Human Sleep Science. Dr. Walker’s New York Times bestseller, Why We Sleep: Unlocking the Power of Sleep and Dreams, was hailed as an "important and fascinating book" by Bill Gates. Dr. Walker has received numerous funding awards from the National Science Foundation and the National Institutes of Health and is a Kavli Fellow of the National Academy of Sciences. In 2020, Dr. Walker was awarded the Carl Sagan Prize for Science Achievements. At the intersection of science and industry, Dr. Walker has served as scientific counsel for numerous technology companies, including Google, Hello, and Fitbit. Dr. Walker translates his work for any industry and audience, offering his insights to business leaders, technology firms, and medical and healthcare professionals.

Dr. Walker discusses the impact of sleep on human health and disease in a way that is digestible for any audience and provides tangible takeaways on wellness and peak performance. Dr. Walker has shed light on his groundbreaking research everywhere from Google to TED, where his talk "Sleep is Your Superpower" has 20M+ views. Dr. Walker has spoken about sleep to hosts such as the Cognitive Neuroscience Society, TED, Google Zeitgeist, and many more.

A Phenomenon of Courage, Connection, & Change

Glennon Doyle isn’t just a speaker; she’s a phenomenon. With electrifying authenticity and unshakable honesty, she transcends traditional labels to become a voice of hope, empowerment, and transformation for millions. Doyle doesn’t merely tell people they can “do hard things”—she shows them how, using raw vulnerability, sharp wit, and deeply resonant stories that touch audiences across all walks of life. Her meteoric rise to global influence is no accident—it’s a testament to the power of her message and her extraordinary ability to connect on a profoundly personal level.

Doyle’s influence stems from her unique courage, relatability, and multi-platform presence. Her personal journey is a testament to resilience and authenticity, inspiring millions to live unapologetically. Her bestselling book UNTAMED, which sold over 2M copies, sparked a global movement, encouraging readers to break free from societal expectations and embrace their truest selves. Glennon doesn’t just speak about bravery—she lives it, becoming a living example of what it means to lead with heart and truth. Her most recent book, WE CAN DO HARD THINGS: Answers to Life’s 20 Questions, created with Abby Wambach, Amanda Doyle and Treat Media, is being hailed as “the guidebook for being alive.”

Her themes of authenticity, vulnerability, mental health, relationships, and social justice are not only timely but vital in today’s complex world. Glennon captures the spirit of the moment with unmatched clarity, offering solace, guidance, and inspiration in times of uncertainty. Her words are universal yet deeply personal, making her a beacon of hope for those navigating personal challenges, seeking social change, or striving for clarity amidst life’s noise.

Beyond the stage, Glennon’s impact extends through her bestselling books (UNTAMED, LOVE WARRIOR, and CARRY ON, WARRIOR) and her acclaimed podcast, WE CAN DO HARD THINGS. She is one of the 40 Most Powerful People in Podcasting. Her massive social media following and ability to trend with every new release have solidified her status as one of the most influential voices of our time. Whether making audiences laugh, cry, or feel seen, Glennon Doyle’s transformative impact is undeniable.

Glennon is more than a speaker—she’s a global movement. She’s the trusted friend, fearless leader, and relentless advocate for truth the world needs. Whether inspiring a room of 50, reaching thousands at a conference, or connecting with millions through her books and podcasts, Glennon leaves her audiences braver, stronger, and ready to embrace their own “hard things.” It’s no wonder she’s one of the most sought-after voices in the world today.

Glennon also speaks in conversation with Abby Wambach. 

J.R. Martinez is a best-selling author, motivational speaker, advocate, wounded U.S. Army veteran, and actor who has been featured on All My Children, Dancing with the Stars, SAF3, and more.  

While deployed to Iraq, J.R. hit a roadside bomb while driving and became trapped in his burning vehicle.  He suffered smoke inhalation, severe burns, and had to undergo 34 different surgeries, including skin grafts and cosmetic surgery, in the years following his injury.  During his recovery, after a brief visit with another burn patient, J.R. realized that he'd made a positive impact on this individual and decided to use his own experiences to help others.  He continued to visit patients every day, sharing his story and listening to theirs. He learned that inspiration is often a two-way street.

A highly sought-after motivational speaker, Martinez travels the world spreading his message of resilience and optimism.  He has spoken to troops at various bases around the world, as well as to groups such as the Clinton Global Initiative, the Red Cross, and dozens of universities, non-profits, and Fortune 500 companies.  His New York Times best-selling memoir, Full of Heart: My Story of Survival, Strength and Spirit, details how he was able to take his personal tragedy and turn it into an inspiration for others, a message he also brings to worldwide organizations.  In May 2020, he launched his podcast, REBIRTH with J.R. Martinez, an ode to reinvention and the spirit of human resilience. In each episode, with his joyful effervescence, quick wit, and curious nature, J.R. takes listeners on a journey through conversations that explore what defines us, the moments that changed us forever, and the hope that propels us forward.

J.R.’s story is unique, but his message is universal: your path in life is decided by your own ability to adapt and overcome.

Data skeptic and New York Times bestselling author Cathy O’Neil is a thought leader exploring the realities and dangers of social networking, the consequences of algorithm design, and defending human dignity in the context of predatory capitalism. A prolific voice in academia and the private sector, O’Neil is the New York Times bestselling author of Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy, which was a semifinalist for the National Book Award. She is also a columnist for Bloomberg Opinion, a renowned blogger, and her expertise was featured in the critically acclaimed documentary The Social Dilemma. O’Neill is the Founder of ORCAA, a consultancy providing algorithmic auditing services focused on safety, fairness, and principled use of data, and launched the Lede Program in Data Journalism at Columbia University. Her latest book, The Shame Machine: Who Profits in the New Age of Humiliation, investigates how shame functions as a tool across sectors including government, the healthcare system, and the wellness industry. With a mathematics Ph.D. and background in finance and AdTech startups, O’Neil offers unparalleled insight and analysis about the challenges that lie ahead for individuals and businesses in our increasingly algorithmic world.

For more than eighteen years, Gabby Bernstein has been transforming lives—including her own. The #1 New York Times bestselling author has penned ten books, including Self Help, The Universe Has Your Back, Super Attractor, and Happy Days. Gabby was featured on Oprah’s SuperSoul Sunday as a “new thought leader.” The New York Times identified Gabby as “a role model for a new generation of spiritual seekers.” She is a regular guest on Good Morning America, Today, and Live with Kelly and Mark, among other leading media outlets. In 2023 she launched the innovative gabby coaching app to democratize spiritual self-help and be your coach—anytime, anywhere. In her weekly podcast, Dear Gabby, she offers up real-time coaching, straight talk and conversations about personal growth and spirituality.

From her start hosting intimate conversations with twenty people in her New York City apartment, Gabby has grown to speaking to tens of thousands in sold-out venues throughout the world. Through her presentations and generous Q&A sessions, Bernstein makes a major impact on individuals and organizations alike, and she has been sought-after by groups such as Google, the AOL Build Series, TED Talks, Through her presentations and generous Q&A sessions, Bernstein makes a major impact on individuals and organizations alike, and she has been sought-after by groups such as Google, the AOL Build Series, TED Talks, Oprah's Super Soul Sessions, and many more., and many more. Gabby is a highly sought-after keynote speaker, offering a profound message of peace that resonates with audiences of all kinds.

For more, visit gabbybernstein.com. 

Weight management expert Dr. David L. Katz, M.D., M.P.H., F.A.C.P.M., F.A.C.P., F.A.C.L.M., is a specialist in Internal Medicine, Preventive Medicine/Public Health, and Lifestyle Medicine, with expertise in nutrition. For two decades, he was the founding director of Yale University’s Yale-Griffin Prevention Research Center. He is also a past president of the American College of Lifestyle Medicine, founder of the non-profit True Health Initiative, and Founder and Chief Medical Officer of Diet ID, Inc. Dr. Katz has been honored with numerous awards for teaching, writing, and contributions to public health, including a James Beard Foundation Award nominee in health journalism, a Lifetime Achievement Award from the Doctors’ World Gala and three honorary doctorates.

Recognized globally as a topical expert, Dr. Katz is frequently invited to speak on longevity and wellness. He holds multiple US patents; has over 250 peer-reviewed publications; and has authored/co-authored 19 books to date including multiple editions of leading textbooks in nutrition, preventive medicine, and epidemiology. Dr. Katz has been invited to speak to prestigious hosts including the MIT Colloquium, Yale School of Management, Merrill Lynch, the American Academy of Anti-Aging Medicine, and more.

Dr. Kizzmekia Corbett-Helaire was the scientific lead of the Vaccine Research Center’s coronavirus team at the U.S. National Institutes of Health where she studied coronavirus biology and vaccine development. Those 6 years of research led to the groundbreaking discovery that a stabilized version of a spike protein, which is found on the surface of all coronaviruses, would be a key target for vaccines, treatments, and diagnostics. At the onset of the COVID-19 pandemic, she and her colleagues were central to the development of the Moderna mRNA vaccine and the Eli Lilly therapeutic monoclonal antibody, both of which were first to enter clinical trials in the world. As a result, her work is having a substantial impact on ending the worst respiratory-disease pandemic in more than 100 years. Dr. Corbett-Helaire is now an assistant professor in the Department of Immunology and Infectious Diseases at the Harvard T.H. Chan School of Public Health. Her work now extends beyond the rapid development of COVID-19 vaccines to the outlook of this pandemic and future viral pandemics.

Perhaps just as important as her scientific accomplishments, Dr. Corbett-Helaire has burst onto the public stage as the face of a diverse and rising generation of talented scientists who will transform the world. She is a stellar science communicator, explaining the vaccine and the virus in highly accessible ways to media outlets, two U.S. presidents, and audiences around the globe. 

12th President of the World Bank Group Jim Yong Kim is a global visionary devoted to improving the lives of people in developing countries and championing the cause of global health. Renowned for his pioneering approaches to tackling global health issues, education, and economic development at the World Bank, Kim re-defined the institution's work amplifying the voices of the world's poor, vowing to end extreme poverty by 2030.

Before his time at the World Bank, Kim served as President of Dartmouth College – becoming the first Asian-American president of an Ivy League institution – and as Executive Director and co-founder of the internationally renowned non-profit medical organization Partners In Health (PIH). At PIH, Kim helped launch a movement that changed global health forever, tackling some of the world's most difficult health problems, and proving experts wrong in what medical treatments and results are possible in communities of extreme poverty. Kim's work at PIH has now been replicated in 40+ countries and is chronicled in the award-winning documentary Bending the Arc and bestselling book Mountains Beyond Mountains. Kim also served as Chief of the Department of Social Medicine at Harvard Medical School and director of the World Health Organization's HIV/AIDS department. At WHO Kim led the groundbreaking "3 by 5" initiative, the first-ever global goal for AIDS treatment.

Sought-out to speak everywhere from TED to the World Economic Forum, Kim's ideas and efforts have changed the way the world thinks about global development. A physician and anthropologist, he is the recipient of a MacArthur "Genius" Fellowship and has been recognized as one of America's "25 Best Leaders" by U.S. News & World Report, named to TIME's "100 Most Influential People in the World," and listed to Forbes' "World's Most Powerful People." Kim inspires people to change the world and provides eye-opening and empowering insights on just how we can do it. 

Dr. Jena is an economist, physician, and professor at Harvard. As one of a small group of physician-economists in the world, and one of the most creative and prolific social scientists in medicine, Dr. Jena is uniquely positioned to explore where the worlds of medicine and economics collide, based on his experiences as a practicing physician at Massachusetts General Hospital and his unique training as an economist. 

His creative use of natural experiments – chance occurrences that we are exposed to, but often unaware of, in our lives – help us understand how health care works, the subject of his 2020 TEDMED talk. He is the host of the popular Freakonomics, M.D. podcast, where he tackles questions at the intersection of medicine and economics, including questions from his own research on why mortality rates rise in cities on the days that they host large marathons, why cardiac patients do better when cardiologists are out of town at national cardiology conferences, and why kids with summer birthdays are more likely to be diagnosed with A.D.H.D. Dr. Jena’s book, Random Acts of Medicine: The Hidden Forces That Sway Doctors, Impact Patients, and Shape Our Health, will be published by Doubleday in the summer of 2023.

Dr. Jena’s work is frequently featured in the media, including The New York Times, Washington Post, and Wall Street Journal.

Dr. John Boockvar does not just play a doctor on TV; he is an internationally celebrated neurosurgeon. On-screen, Dr. Boockvar’s compassionate brain tumor care was highlighted in the critically acclaimed Netflix docuseries Lenox Hill and Emergency NYC. In real life, Dr. Boockvar is the vice chair of the Department of Neurosurgery at Lenox Hill Hospital and director of the department’s Brain Tumor Center, the Pituitary/Neuroendocrine Center, and the New York Head and Neck Institute at Lenox Hill and Manhattan Eye, Ear & Throat hospitals. He is also an investigator at the Feinstein Institutes for Medical Research, where he directs the Laboratory for Brain Tumor Biology and Therapy. Dr. Boockvar was appointed as an adjunct professor at Cold Spring Harbor Laboratory thanks to his great advancements in understanding and treating brain cancer. He was elected to the prestigious Academy of Neurological Surgeons and was elected to the Senior Society of the American Board of Neurological Surgery. He has been repeatedly named to the lists of New York Magazine's Top Docs, New York SuperDoctors, America's Top Surgeons, and America's Best Doctors. Dr. Boockvar is also an honorary surgeon of the NYPD and the New York State Troopers.

Dr. Boockvar has been featured many times on TV and in print. Of note, he was featured on the Dr. Oz Show, ABC's Nightline, TMZ, CNN, Good Morning America, and the Today Show among others. Dr. Boockvar's work has been featured in the New York Times, Wall Street Journal, Forbes, Newsday, New York Post, and many others. Dr. Boockvar is also an honorary surgeon of the NYPD and the New York State Troopers.

In his presentations, Dr. Boockvar shares his concept of gritflowness, which combines grit, flow, and mindfulness to help professionals perform at their best under pressure. He also covers timeless principles related to “how to be a hero” in the time of crisis; how to handle extreme stress during adversity; how to achieve work-life balance; and easy tips for basic stress management.