Diary of a CEO Guest List A—Z: The Complete Directory (2024–2026)

Every single guest who has sat across from Steven Bartlett on The Diary of a CEO — listed alphabetically with links to their full episode summaries. From Olympic gold medalists to billionaire founders, Nobel-level scientists to Hollywood A-listers. 300+ guests. One definitive directory.

A (32 guests)

• Adam Grant Psychology — Organizational psychologist, Wharton professor, and bestselling author of Think Again and Give and Take.
• Adele Music — Grammy-winning singer-songwriter behind 21 and 30. Discusses fame, heartbreak, and self-discovery.
• Alain de Botton Philosophy — Philosopher, author of The School of Life, on love, work, and modern anxiety.
• Alex Cooper Media — Host of Call Her Daddy, one of the biggest podcasts in the world. On media, relationships, and building an empire.
• Alex Hormozi Business — Founder of Acquisition.com, author of $100M Offers. The internet's favourite business guru on scaling, selling, and wealth creation.
• Ali Abdaal Productivity — Doctor-turned-YouTuber and productivity expert. Author of Feel-Good Productivity.
• Andrew Bustamante Intelligence — Former CIA covert operations officer. On espionage, human behaviour, and reading people.
• Andrew Huberman Neuroscience — Stanford neuroscientist and host of Huberman Lab. Dopamine, sleep, cold exposure, and science-backed protocols.
• Andrew Schulz Comedy — Stand-up comedian and podcaster who pioneered independent comedy distribution.
• Andrew Tate Controversy — Former kickboxer and internet personality. One of the most controversial DOAC episodes ever.
• Angela Duckworth Psychology — Psychologist and author of Grit: The Power of Passion and Perseverance.
• Anil Seth Neuroscience — Neuroscientist and author of Being You. On consciousness and how the brain creates reality.
• Anna Hemmings Sport — 6x world champion marathon canoeist turned peak performance coach.
• Anne Boden Fintech — Founder and former CEO of Starling Bank. On disrupting UK banking as a woman in tech.
• Ant Middleton Military — Former SBS special forces soldier and TV presenter. On fear, leadership, and mental toughness.
• Arianna Huffington Media — Founder of HuffPost and Thrive Global. On sleep, burnout, and redefining success.
• Arnold Schwarzenegger Legend — Bodybuilder, actor, governor. On ambition, discipline, and building an impossible life.
• Arthur Brooks Happiness — Harvard professor and happiness researcher. Author of From Strength to Strength.

B (22 guests)

• Barbara Corcoran Business — Real estate mogul and Shark Tank investor. Built a $6B empire from a $1,000 loan.
• Bear Grylls Adventure — Adventurer, survival expert, and former SAS soldier. On resilience, faith, and pushing limits.
• Ben Francis Business — Founder and CEO of Gymshark, built from his parents' garage into a —1B+ brand.
• Ben Greenfield Health — Biohacker and fitness expert on longevity, nutrition, and peak performance.
• Bessel van der Kolk Trauma — Psychiatrist and author of The Body Keeps the Score. On trauma, healing, and the mind-body connection.
• Billie Eilish Music — Grammy-winning singer-songwriter on fame, mental health, and creative authenticity.
• Billy McFarland Controversy — The man behind Fyre Festival. On fraud, prison, and starting over.
• Bob Proctor Mindset — Legendary self-help teacher featured in The Secret. On the law of attraction and mindset.
• Boris Johnson Politics — Former UK Prime Minister. On leadership, Brexit, and the price of power.
• Bren— Brown Psychology — Researcher and author of Dare to Lead. On vulnerability, courage, and shame resilience.
• Brendon Burchard Performance — High-performance coach and author of High Performance Habits.
• Bret Weinstein Science — Evolutionary biologist and podcaster. On truth, censorship, and challenging the mainstream.
• Bryan Johnson Longevity — Entrepreneur spending $2M+/year trying to reverse aging. The "don't die" guy.

C (23 guests)

• Cal Newport Productivity — Georgetown professor and author of Deep Work and Slow Productivity. On focus in a distracted world.
• Carol Dweck Psychology — Stanford psychologist who pioneered the concept of growth mindset vs. fixed mindset.
• Casey Neistat Creator — Legendary YouTuber and filmmaker. On storytelling, risk-taking, and creative freedom.
• Cathie Wood Finance — Founder of ARK Invest. On disruptive innovation, AI, and the future of investing.
• Charlamagne Tha God Media — Radio host and bestselling author. On mental health, race, and honest conversation.
• Chase Hughes Behaviour — Behaviour expert and former military interrogator. On reading people and influence.
• Chris Eubank Jr Boxing — Professional boxer on living in his father's shadow and forging his own legacy.
• Chris Eubank Sr Boxing — British boxing legend on fame, fatherhood, and the price of greatness.
• Chris Williamson Podcasting — Host of Modern Wisdom podcast. On masculinity, dating, and self-improvement culture.
• Clotaire Rapaille Marketing — Cultural anthropologist and marketing expert. On the subconscious "codes" that drive consumer behaviour.
• Codie Sanchez Business — Investor and entrepreneur focused on "boring businesses." On buying businesses instead of starting them.
• Cole Sprouse Entertainment — Actor (Riverdale, Suite Life) on child fame, identity, and the dark side of Hollywood.
• Conor McGregor MMA — UFC champion and combat sports icon. On self-belief, visualisation, and the fighter's mindset.
• Cristiano Ronaldo Football — One of the greatest footballers of all time. On discipline, legacy, and what drives perfection.

D (23 guests)

• Dr. Dale Bredesen Health — Neuroscientist and Alzheimer's researcher. On preventing and reversing cognitive decline.
• Dame Dash Music/Business — Co-founder of Roc-A-Fella Records. Discovered Jay-Z and Kanye West.
• Dame Stephanie Shirley Tech — Tech pioneer who built a software company worth $3B in the 1960s — as a woman.
• Dan Pe—a Business — "The $50 Billion Man." On extreme wealth creation and no-excuses mentality.
• Dana White Business/MMA — UFC President who transformed MMA from niche sport to global phenomenon.
• Danica Patrick Sport — Former professional racing driver — the most successful woman in American open-wheel racing history.
• Daniel Ek Tech — Co-founder and CEO of Spotify. On building a company that changed how the world listens to music.
• Daniel Priestley Business — Entrepreneur and author of Key Person of Influence. On personal branding and entrepreneurship.
• Dave Asprey Biohacking — Father of biohacking and founder of Bulletproof. On optimising body and brain performance.
• David Blaine Magic — Legendary magician and endurance artist. On pushing human limits and the power of belief.
• David Eagleman Neuroscience — Neuroscientist and author of Livewired. On how the brain shapes reality.
• David Goggins Mindset — Navy SEAL, ultramarathon runner, and author of Can't Hurt Me. The toughest man alive on mental toughness and discipline.
• Davina McCall TV — British TV presenter on addiction recovery, menopause, and reinvention.
• Deepak Chopra Wellness — Integrative medicine pioneer and bestselling author on consciousness, healing, and spirituality.
• Derren Brown Psychology — Mentalist and illusionist. On the psychology of influence, belief, and free will.
• Donald Hoffman Science — Cognitive scientist arguing that reality is nothing like what we perceive.
• Drake Music — Global hip-hop superstar on fame, legacy, and the music industry.
• Dwayne "The Rock" Johnson Entertainment — Hollywood's highest-paid actor on depression, failure, and building an empire from nothing.

E (16 guests)

• Ed Mylett Business — Entrepreneur and peak performance coach. On wealth, faith, and maximum potential.
• Ed Sheeran Music — One of the world's best-selling music artists on songwriting, fame, and grief.
• Eddie Hearn Boxing — Boxing promoter and CEO of Matchroom. On deals, ambition, and the business of sport.
• Edith Eger Trauma — Holocaust survivor, psychologist, and author of The Choice. One of the most powerful DOAC episodes ever.
• Elizabeth Day Writing — Author and host of How to Fail podcast. On failure, relationships, and resilience.
• Elon Musk Tech — CEO of Tesla, SpaceX, and X. On AI, Mars, and building the future.
• Emma Chamberlain Creator — YouTube star and Chamberlain Coffee founder. On authenticity and the creator economy.
• Emma Grede Business — Co-founder of SKIMS and Good American. On building billion-dollar brands with the Kardashians.
• Emma Watson Film — Actress, activist, and UN Women Goodwill Ambassador. On fame, feminism, and purpose.
• Eric Weinstein Science — Mathematician and managing director at Thiel Capital. On physics, institutional failure, and intellectual freedom.
• Esther Perel Relationships — World-renowned relationship therapist and author of Mating in Captivity. On love, desire, and infidelity.
• Evy Poumpouras Security — Former Secret Service agent and interrogation expert. On reading people and becoming bulletproof.

F (3 guests)

• Fearne Cotton Wellness — TV presenter and wellness advocate. On burnout, mental health, and finding happiness.
• Francis Ngannou MMA — Former UFC heavyweight champion who escaped poverty in Cameroon to become a world champion.

G (15 guests)

• Gabby Bernstein Spirituality — Motivational speaker and New York Times bestselling author on manifesting and spiritual growth.
• Dr. Gabor Maté Trauma — World-leading expert on addiction and childhood trauma. Author of The Myth of Normal.
• Gary Brecka Health — Human biologist who claims to predict how long you'll live. On longevity, methylation, and health optimisation.
• Gary Neville Football — Manchester United legend turned pundit, entrepreneur, and property developer.
• Gary Vaynerchuk (Gary Vee) Business — Serial entrepreneur, VaynerMedia CEO, and social media pioneer. On hustle, patience, and self-awareness.
• Gavin Newsom Politics — Governor of California on leadership, policy, and the future of America.
• Gelong Thubten Mindfulness — Buddhist monk and meditation teacher. On inner peace and the power of stillness.
• Giles Yeo Science — Cambridge geneticist on the truth about diets, weight loss, and why calories don't tell the whole story.
• Gordon Ramsay Food — Celebrity chef and restaurant empire builder. On perfection, leadership, and resilience.
• Grace Beverley Business — Entrepreneur and fitness influencer who built TALA and Shreddy while at university.
• Grant Cardone Real Estate — Real estate mogul and sales trainer. Author of The 10X Rule.

H (4 guests)

• Henry Cloud Psychology — Clinical psychologist and author of Boundaries. On relationships, leadership, and emotional health.
• Holly Tucker Business — Founder of notonthehighstreet.com. On small business, purpose, and perseverance.
• Huda Kattan Beauty — Founder of Huda Beauty, built a billion-dollar beauty brand from a blog.

I (2 guests)

• Idris Elba Film — Actor (Luther, The Wire), DJ, and producer on identity, ambition, and creative evolution.
• Ivan Toney Football — Premier League striker on his gambling ban, mental health, and comeback story.

J (20 guests)

• Jacqueline Gold Business — CEO of Ann Summers who transformed the brand into a £100M empire.
• Jada Pinkett Smith Entertainment — Actress and author on marriage, identity, and her unconventional path.
• Jake Paul Creator — YouTuber turned professional boxer and entrepreneur. On controversy, reinvention, and proving doubters wrong.
• James Clear Habits — Author of Atomic Habits. On building good habits, breaking bad ones, and the power of 1% improvement.
• James Corden Entertainment — Actor, comedian, and former Late Late Show host on fame, weight, and vulnerability.
• James Smith Fitness — Personal trainer and bestselling author. On the fitness industry's lies and honest health advice.
• Jamie Oliver Food — Celebrity chef on his £400M bankruptcy, food revolution, and resilience.
• Jaspreet Singh Finance — Founder of Briefs Media and Minority Mindset. On financial literacy and building wealth.
• Jay Shetty Mindfulness — Former monk turned author and podcaster. Author of Think Like a Monk.
• Jessie J Music — Singer-songwriter on health struggles, miscarriage, and finding strength through music.
• Jim Kwik Brain — Brain coach and memory expert. Author of Limitless on upgrading your mental performance.
• Jimmy Carr Comedy — Comedian on the psychology of humour, controversy, and work ethic.
• Jimmy Fallon Entertainment — Tonight Show host on comedy, authenticity, and the pressure of late-night TV.
• Joe Dispenza Mindset — Neuroscientist and author of Breaking the Habit of Being Yourself. On meditation, manifestation, and rewiring the brain.
• Joe Navarro Behaviour — Former FBI counterintelligence agent and body language expert.
• Joe Rogan Podcasting — Host of the world's biggest podcast. On curiosity, comedy, and the media landscape.
• Johann Hari Mental Health — Author of Lost Connections and Stolen Focus. On depression, ADHD, and the attention crisis.
• Jordan Peterson Psychology — Clinical psychologist and author of 12 Rules for Life. On responsibility, meaning, and the culture wars.
• jürgen Klopp Football — Legendary Liverpool FC manager on leadership, emotional intelligence, and building winning teams.

K (8 guests)

• Kendall Jenner Celebrity — Supermodel on anxiety, fame from childhood, and carving her own identity.
• Kevin Hart Comedy — Comedian, actor, and entrepreneur on work ethic, failure, and building a billion-dollar brand.
• Kobe Bryant Sport — NBA legend (archive interview) on the Mamba Mentality, obsession, and greatness.
• Konstantin Kisin Politics — Author and political commentator on free speech, immigration, and cultural shifts.
• KSI Creator — YouTuber, boxer, rapper, and co-founder of Prime. On building empires across multiple industries.
• Kylian Mbapp— Football — Real Madrid and France superstar on ambition, pressure, and becoming the world's best.
• Kylie Jenner Business — Founder of Kylie Cosmetics. On building a beauty empire, family, and growing up famous.

L (15 guests)

• Labrinth Music — Singer, songwriter, and producer behind the Euphoria soundtrack.
• Lady Gaga Music — Global superstar on trauma, chronic pain, and the art of reinvention.
• LeBron James Sport — NBA legend and businessman on leadership, legacy, and the weight of being "The Chosen One."
• Leila Hormozi Business — Co-founder of Acquisition.com. On scaling businesses, leadership, and being married to your business partner.
• Lewis Capaldi Music — Singer-songwriter on fame anxiety, Tourette's diagnosis, and staying grounded.
• Lewis Hamilton F1 — 7-time F1 World Champion on racing, racism, loneliness, and the pursuit of excellence.
• Lewis Howes Business — Former athlete turned entrepreneur and host of The School of Greatness.
• Liam Payne Music — Former One Direction member on fame, addiction, and mental health struggles.
• Lindsey Vonn Sport — Olympic gold medal skier on injury, comeback, and peak performance.
• Lisa Feldman Barrett Neuroscience — Neuroscientist who changed our understanding of emotions. Author of How Emotions Are Made.
• Logan Paul Creator — YouTuber, wrestler, and co-founder of Prime. On controversy, reinvention, and the creator economy.
• Louis Theroux Journalism — Documentary filmmaker on curiosity, extremism, and understanding people who are different.
• Luis Elizondo Intelligence — Former Pentagon official who ran the secret UFO investigation program (AATIP).

M (30 guests)

• Maisie Williams Film — Game of Thrones actress on child fame, identity, and her painful past.
• Marcia Kilgore Business — Serial entrepreneur behind Bliss, FitFlop, and Beauty Pie.
• Marcus Rashford Football — Manchester United star and child poverty campaigner. On purpose beyond sport.
• Margot Robbie Film — Hollywood actress (Barbie, Wolf of Wall Street) on ambition, producing, and navigating fame.
• Marie Forleo Business — Entrepreneur and author of Everything is Figureoutable. On purpose and building an online business.
• Marisa Peer Therapy — Britain's leading therapist on Rapid Transformational Therapy, self-worth, and the words that change your life.
• Mark Cuban Business — Billionaire entrepreneur and Shark Tank investor on AI, startups, and negotiation.
• Mark Manson Psychology — Author of The Subtle Art of Not Giving a F*ck. On values, purpose, and emotional maturity.
• Mark Zuckerberg Tech — CEO of Meta. On AI, the metaverse, and building the future of social connection.
• Master Shi Heng Yi Mindfulness — Shaolin master on self-mastery, discipline, and the path to inner strength. One of the most-watched DOAC episodes.
• Matthew Hussey Relationships — Dating coach and author of Get the Guy. On confidence, attraction, and modern dating.
• Matthew McConaughey Film — Oscar-winning actor and author of Greenlights. On adventure, fatherhood, and living intentionally.
• Matthew Walker Sleep — UC Berkeley sleep scientist and author of Why We Sleep. On the devastating effects of sleep deprivation.
• Max Lugavere Health — Health journalist and author of Genius Foods. On brain health and nutrition.
• Mel Robbins Mindset — Motivational speaker and author of The Let Them Theory and The 5 Second Rule. On stopping anxiety and taking action.
• Michael Franzese Crime — Former New York mafia boss who left the mob and lived to tell the tale.
• Mike Tyson Boxing — Heavyweight boxing legend on fear, ego, addiction, and redemption.
• Mo Gawdat Happiness — Former Google X Chief Business Officer and author of Solve for Happy. On AI dangers and engineering happiness after losing his son.
• Molly-Mae Hague Business — Love Island star turned Creative Director of PrettyLittleThing. "Everyone has the same 24 hours."
• Morgan Housel Finance — Author of The Psychology of Money. On wealth, greed, and the stories we tell ourselves about money.
• MrBeast (Jimmy Donaldson) Creator — The biggest YouTuber in the world on obsession, philanthropy, and building a $1B+ media empire.
• Mustafa Suleyman AI — Co-founder of DeepMind and CEO of Microsoft AI. On the future — and risks — of artificial intelligence.

N (8 guests)

• Naval Ravikant Philosophy — AngelList co-founder and tech philosopher. On wealth, happiness, and specific knowledge.
• Neil deGrasse Tyson Science — Astrophysicist and science communicator on the universe, curiosity, and scientific thinking.
• Nick Cannon Entertainment — Actor, comedian, and TV host on fatherhood, loss, and living with lupus.
• Nile Rodgers Music — Legendary music producer behind Le Freak, Get Lucky, and Like a Virgin.
• Nims Purja Adventure — Nepalese mountaineer who climbed all 14 eight-thousanders in 6 months. Netflix's 14 Peaks.
• Novak Djokovic Tennis — 24-time Grand Slam champion on visualisation, diet, and the mental game of tennis.

O (3 guests)

• Oprah Winfrey Media — Billionaire media mogul on purpose, resilience, and the power of intention.
• Orion Taraban Relationships — Psychologist and dating coach on modern masculinity and attraction.

P (12 guests)

• Patrick Bet-David Business — Entrepreneur, author, and host of Valuetainment. On strategy, resilience, and the immigrant hustle.
• Peter Crone Mindset — "The Mind Architect." On limiting beliefs, freedom, and rewiring your identity.
• Peter Diamandis Tech — Founder of XPRIZE and Singularity University. On exponential technologies and the future of humanity.
• Pharrell Williams Music — Grammy-winning producer and fashion icon on creativity, spirituality, and staying curious.
• Piers Morgan Media — Broadcaster and journalist on controversy, cancel culture, and the media industry.
• Post Malone Music — Grammy-nominated rapper and singer on fame, authenticity, and personal growth.
• Prince William Royalty — Prince of Wales on mental health, fatherhood, and using his platform for good.

R (18 guests)

• Rachel Hollis Self-Help — Author of Girl, Wash Your Face. On self-improvement and navigating public controversy.
• Ramit Sethi Finance — Author of I Will Teach You to Be Rich. On building a rich life without penny-pinching.
• Raoul Pal Finance — Former Goldman Sachs hedge fund manager and CEO of Real Vision on macro economics and crypto.
• Raphael Rowe Journalism — Journalist wrongly imprisoned for 12 years. Netflix's Inside the World's Toughest Prisons.
• Ray Dalio Finance — Founder of Bridgewater (world's largest hedge fund) and author of Principles. On markets, failure, and radical transparency.
• Reid Hoffman Tech — Co-founder of LinkedIn and partner at Greylock. On networks, scaling, and Silicon Valley.
• Richard Branson Business — Founder of Virgin Group. On entrepreneurship, adventure, and living with dyslexia.
• Rich Roll Health — Ultra-endurance athlete and podcaster on addiction recovery, plant-based living, and transformation.
• Rihanna Music/Business — Billionaire singer and founder of Fenty. From Barbados to global music and fashion domination.
• Robert Cialdini Psychology — Author of Influence. The godfather of persuasion science on the 7 principles of influence.
• Robert Greene Strategy — Author of The 48 Laws of Power, The Art of Seduction, and Mastery. On power, strategy, and human nature.
• Roger Federer Tennis — 20-time Grand Slam champion on grace, longevity, and life after tennis.
• Ronnie O'Sullivan Sport — Snooker's greatest player on addiction, mental health, and the pursuit of perfection.
• Rory Sutherland Marketing — Ogilvy vice chairman and author of Alchemy. On behavioural science, marketing, and irrational decisions.
• Russell Brand Comedy — Comedian and author on addiction, spirituality, and recovery.
• Ryan Holiday Philosophy — Bestselling Stoic author (The Obstacle Is the Way, Ego Is the Enemy). On ancient wisdom for modern life.

S (28 guests)

• Sadhguru Spirituality — Indian mystic and founder of Isha Foundation. On inner engineering, consciousness, and purpose.
• Sahil Bloom Business — Writer, investor, and entrepreneur. On frameworks for wealth, health, and fulfilment.
• Sam Altman AI — CEO of OpenAI. On ChatGPT, AGI, and the future of artificial intelligence.
• Scott Galloway Business — NYU professor and bestselling author of The Algebra of Happiness. On big tech, wealth, and masculinity in crisis.
• Sebastian Siemiatkowski Fintech — Co-founder and CEO of Klarna. On building Europe's most valuable fintech startup.
• Serena Williams Tennis — The greatest female tennis player of all time on competition, motherhood, and legacy.
• Seth Rogen Comedy — Actor, comedian, and Houseplant co-founder on creativity, cannabis, and not taking Hollywood seriously.
• Shaquille O'Neal Sport — NBA legend and businessman on intimidation, business empires, and staying humble.
• Simon Cowell Entertainment — Music mogul behind X Factor and Got Talent. On talent, failure, and the entertainment business.
• Simon Sinek Leadership — Author of Start With Why and The Infinite Game. On leadership, purpose, and playing the long game.
• Sir Alex Ferguson Football — The greatest football manager ever. On leadership, winning, and managing Manchester United for 26 years.
• Sir Mo Farah Athletics — Olympic gold medalist distance runner who revealed his secret childhood of trafficking and forced labour.
• Snoop Dogg Music — Hip-hop icon on longevity, reinvention, and building a multi-industry empire.
• Stephen Fry Culture — Actor, writer, and national treasure on bipolar disorder, language, and the meaning of life.
• Steven Bartlett Host — The host of DOAC shares his own story — from dropout to millionaire, Dragons' Den, and building an empire.
• Steven Pinker Science — Harvard cognitive scientist and author of Enlightenment Now. On rationality, progress, and human nature.
• Stormzy Music — UK grime legend on race, faith, vulnerability, and breaking barriers in British music.

T (14 guests)

• Terry Crews Entertainment — Actor and former NFL player on toxic masculinity, addiction, and rebuilding his marriage.
• Thierry Henry Football — Arsenal and France legend on depression, loneliness at the top, and life after football.
• Tim Ferriss Productivity — Author of The 4-Hour Workweek and one of the world's top podcast hosts. On productivity, investing, and lifestyle design.
• Tim Grover Performance — Michael Jordan and Kobe Bryant's personal trainer. On relentless winning and what separates the elite.
• Tom Bilyeu Business — Co-founder of Quest Nutrition and host of Impact Theory. On mindset, purpose, and building billion-dollar companies.
• Tom Holland Film — Spider-Man actor on fame, sobriety, and mental health at the top of Hollywood.
• Tony Hawk Sport — Skateboarding legend on persistence, passion, and creating an entire industry.
• Tony Robbins Performance — The world's most famous life coach on energy, state management, and massive action.
• Trinny Woodall Business — Founder of Trinny London beauty brand. On reinvention, grief, and building a business in your 50s.
• Tristan Harris Tech — Former Google ethicist and star of The Social Dilemma. On tech addiction, AI dangers, and reclaiming attention.
• Tyson Fury Boxing — Heavyweight boxing champion on depression, comeback, and the Gypsy King's story.

U (1 guest)

• Usain Bolt Athletics — The fastest human ever. On talent, discipline, and life after breaking every record.

V (4 guests)

• Vanessa Van Edwards Behaviour — Behavioural investigator and author of Captivate. On charisma, body language, and social skills.
• Vex King Self-Help — Author of Good Vibes, Good Life. On self-love, energy, and overcoming adversity.
• Vinh Giang Communication — Magician and communication expert on the art of presenting and commanding a room.

W (5 guests)

• Whitney Wolfe Herd Tech — Founder and former CEO of Bumble. Became the youngest female self-made billionaire.
• Will Ahmed Tech — CEO and founder of WHOOP. On wearable tech, sleep data, and peak performance.
• will.i.am Music/Tech — Black Eyed Peas frontman and tech entrepreneur. On creativity, AI, and building across industries.
• Wim Hof Health — "The Iceman." On cold therapy, breathwork, and proving science wrong about human potential.

Y (2 guests)

• Yung Filly Creator — YouTuber and entertainer on the rise of UK internet culture and building a personal brand.
• Yuval Noah Harari History — Historian and author of Sapiens and Homo Deus. On the future of humanity, AI, and what makes us human.

Z (2 guests)

• Zendaya Film — Emmy-winning actress (Euphoria, Dune) on navigating fame, identity, and creative control.
• Zoe Sugg (Zoella) Creator — YouTube pioneer and entrepreneur on anxiety, motherhood, and life after viral fame.

🩺 Doctors & Health Experts Featured on DOAC

The Diary of a CEO has featured over 100 doctors and scientists. Here are some of the most notable:

• Dr. Daniel Amen — Psychiatrist and brain health expert. Over 200,000 brain scans analysed.
• Dr. Anna Lembke — Stanford addiction expert and author of Dopamine Nation.
• Dr. Becky Kennedy — Clinical psychologist known as "the parenting whisperer" — author of Good Inside.
• Dr. Casey Means — Stanford-trained surgeon and co-founder of Levels. On metabolic health and glucose.
• Dr. Chris van Tulleken — Author of Ultra-Processed People. Changed how millions think about food.
• Dr. David Sinclair — Harvard aging researcher. Author of Lifespan: Why We Age and Why We Don't Have To.
• Dr. Gabor Maté — Addiction and trauma expert. Author of The Myth of Normal and In the Realm of Hungry Ghosts.
• Dr. Gabrielle Lyon — Muscle-centric medicine pioneer. Author of Forever Strong.
• Dr. Jason Fung — Nephrologist and intermittent fasting authority. Author of The Obesity Code.
• Dr. Joe Dispenza — Neuroscientist on meditation, manifestation, and rewiring the brain.
• Dr. Julie Smith — Clinical psychologist and mental health TikTok star. Author of Why Has Nobody Told Me This Before?
• Dr. Mark Hyman — Functional medicine pioneer and author of Young Forever.
• Dr. Matthew Walker — Sleep scientist and author of Why We Sleep. Arguably the most important DOAC health episode.
• Dr. Nicole LePera — "The Holistic Psychologist." Author of How to Do the Work.
• Dr. Paul Conti — Psychiatrist known for his work with Andrew Huberman on trauma and self-understanding.
• Dr. Peter Attia — Longevity physician and author of Outlive: The Science and Art of Longevity.
• Dr. Ramani Durvasula — Clinical psychologist and the world's leading expert on narcissism.
• Dr. Rangan Chatterjee — GP, author, and host of Feel Better, Live More. On lifestyle medicine and holistic health.
• Dr. Robert Lustig — Endocrinologist who exposed the sugar industry. Author of Metabolical.
• Dr. Robert Waldinger — Director of the world's longest study on happiness (Harvard, 85 years). Author of The Good Life.
• Dr. Shefali Tsabary — Clinical psychologist and conscious parenting expert endorsed by Oprah.
• Dr. Tim Spector — King's College epidemiologist and founder of ZOE. Changed how millions think about gut health and nutrition.
• Dr. Will Bulsiewicz — Gastroenterologist and gut health expert. Author of Fiber Fueled.

About The Diary of a CEO Podcast

The Diary of a CEO, hosted by Steven Bartlett, is one of the world's most popular podcasts. Launched in 2017, it has grown from a small business podcast into a global media powerhouse with over 450 episodes and billions of views across YouTube, Spotify, and Apple Podcasts.

Guests range from world leaders and billionaire entrepreneurs to scientists, athletes, musicians, and actors. The format is a long-form, uninterrupted conversation — typically 1.5 to 2 hours — designed to go deeper than any other interview show.

Steven Bartlett is also the youngest-ever investor on BBC's Dragons' Den, a co-founder of Social Chain, and the author of Happy Sexy Millionaire and The Diary of a CEO: The 33 Laws of Business & Life.

Frequently Asked Questions