What if your anxiety isn’t fear, and your trauma might not be real? Dr. Lisa Feldman Barrett reveals how your brain creates emotional illusions.

Dr. Lisa Feldman Barrett is a Professor of Psychology and among the top 0.1% of most cited scientists for her revolutionary research in psychology and neuroscience. She is also the author of books such as ‘Seven and a Half Lessons About the Brain’.

In this conversation, Dr. Lisa and Steven discuss topics such as, how anxiety is a predictive error in the brain, the shocking truth about childhood trauma, how trauma can be contagious, and why you don’t have any free will. 

00:00 Intro

02:22 Lisa's Mission

04:14 Why Is It Important to Understand How the Brain Works?

10:48 Measuring Emotions

13:55 What Is the Predictive Brain?

16:08 Examples of the Brain Making Predictions

24:13 Is the Predictive Brain at the Root of Trauma?

31:27 Cultural Inheritance, Trauma, Anxiety, and Depression

36:29 How Reframing Past Events Can Change Identity

42:41 Meaning as a Consequence of Action

44:11 How to Overcome Fear by Taking Action

45:43 Prediction Error

47:37 Learning Through Exposure

49:47 Dangers of Social Contagion

54:06 Anxiety in the Context of Social Contagion

58:33 Is Social Media Programming Us to Be Sad?

1:02:08 Ads

1:03:03 First Step to Overcoming Mental Health Issues

1:05:18 Chronic Pain

1:08:23 What Is Depression?

1:09:17 Body Budgeting and Body Bankruptcy

1:12:26 How Stress Contributes to Weight Gain

1:15:00 Depression in Adolescents

1:17:02 Is Depression a Chemical Imbalance?

1:18:30 The Story of Lisa's Daughter

1:21:09 Oral Birth Control as a Risk Factor for Depression

1:24:07 How Lisa Helped Her Daughter Overcome Depression

1:29:11 Social Support

1:35:26 Lisa's Daughter's Recovery from Depression

1:39:12 Does Alcohol Affect the Body Budget and Increase Depression Risk?

1:42:45 Ads

1:44:00 Can People Change Emotions by Smiling?

1:45:49 Lisa's Perspective on ADHD

1:48:01 The Power of Words to Facilitate Emotion

1:52:26 Stress as a Burden to the Metabolic Budget

1:53:27 Lisa's View on God and Religion

1:54:25 What Is the Meaning of Life in Lisa's Opinion?

1:59:32 Question from the Previous Guest

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What if the cure for Alzheimer’s, heart disease, and erectile dysfunction already exists? Dr. Nathan Bryan breaks the silence on the missing molecule that could reverse disease. 

Dr Nathan Bryan is a renowned nitric oxide biochemist, entrepreneur and author, who has researched nitric oxide for the past 18 years and made many seminal discoveries in the field. He is also the author of books such as, ‘The Secret of Nitric Oxide-Bringing The Science To Life’.

In this conversation, Dr Nathan and Steven discuss topics such as, how doctors are trapped in a broken system, the link between oral infection and cancer, why blood pressure medicine doesn’t work, and how nitric oxide can make you 15 years younger. 

00:00 Intro

02:33 Nathan's Mission

04:38 Decline in Nitric Oxide (NO) Production

05:40 Symptoms of Low NO Levels

06:55 Diseases Linked to NO

08:21 What Prompted Nathan's Interest in NO?

10:35 Your Experience With Your Dad Setting You on This Path

12:07 Who Are You & Your Experience

13:14 Nitric Oxide Breakdown

14:24 Is Everything You See Just Aging?

16:07 How to Measure Vascular Age

17:50 Chronic Diseases Associated With NO Deficiency

21:54 The Medical Industry Is Broken

27:40 Doctors Are Trapped in the Broken System

29:18 The Molecule of Longevity

33:00 What Do You Think of Bryan Johnson?

34:38 Can NO Be Overdosed?

36:33 NO’s Role in Increasing Telomere Length

38:33 Relationship Between NO and Oral Microbiome

40:54 Nathan's View on Antibacterial Products

44:04 Negative Impacts of Using Mouthwash

46:08 Oral Microbiome and Blood Pressure Connection

48:25 Link Between Oral Health and Cancer

54:10 Ads

56:19 How to Improve Our Oral Microbiome

58:21 Are Tongue Scrapers Beneficial for Oral Microbiome?

59:26 Relationship Between NO and Hormones

1:00:14 Should We Be Seeing Dental Hygienists?

1:00:45 Mouthwash Eliminates Benefits of Exercise

1:01:05 Foods to Boost Nitric Oxide Production

1:03:54 Wound-Healing Properties of NO

1:05:02 Foods for NO Production

1:05:36 *Beet the Odds*: Why Nathan Wrote a Book About Beetroots

1:09:06 Growth of Interest in Antacid Medication

1:12:22 Link Between NO Levels and Nasal Breathing

1:15:05 Humming Increases NO Levels

1:16:23 Things to Stimulate NO

1:17:45 The Future of Medicine Relies on This

1:20:01 Are You Happily or Unhappily Mated?

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You can purchase Dr Nathan’s book, ‘The Secret of Nitric Oxide-Bringing The Science To Life’, here: https://g2ul0.app.link/uHJ9hcf0tSb 

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What if the key to investing wasn’t finding the next big thing—but surviving the next unknown?

Bestselling author and savings expert Morgan Housel shares the true story that changed how he sees risk forever—and how it reshaped his philosophy on money, markets, and why most people lose when they try to predict the future.

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Can you make someone like you in seconds? Vanessa Van Edwards returns with the science-backed secrets of dating and likeability - tested in real-life dating scenarios for the very first time. 

Vanessa Van Edwards is the founder of ‘Science of People’, a platform that gives people skills to improve communication and leadership. She is also the bestselling author of ‘Captivate: The Science of Succeeding with People’ and ‘Cues: Master the Secret Language of Charismatic Communication’.

00:00 Intro

03:02 How Important Is It to Master the Skill of Communication?

03:33 Are We Set in Our Ways? Is Charisma Genetic?

04:18 Different Types of Awkwardness in People

04:53 How to Make Friends – The 3 Core Friendship Values

06:37 How Do You Figure Out Your Core Friendship Values?

07:34 How Many People Has Vanessa Taught These Skills? And What Do They Want?

08:18 First Impressions

10:24 Profile Pictures

14:10 Add Cues for a Better First Impression

15:28 How Sunglasses Block Connection

16:21 More Good Cues for First Impressions

16:54 How Do I Make a Really Bad First Impression?

18:30 What We Need to Signal to Express Warmth

21:27 Breaking the Script

23:19 Master Communicators and the "Chemical Cocktail"

28:11 Online First Impressions

29:11 Be the Red Apple

30:17 How to Make an Impression on Zoom

32:08 The Story Toolbox

35:07 How Important Is Background on Zoom?

36:29 Where to Look on Zoom Calls

37:16 Date Experiments

43:09 Drivers and Passengers in Conversation

44:23 Micro Wins

45:05 Body Language That Indicates Attraction

49:35 Why Busyness Is Not a Mark of Success

51:16 The Jam Study – Too Many Choices

52:12 Prioritizing Self-Care Over Connection

53:08 Dating Checklists

54:23 Do We Get More Numb the More We Date?

55:32 Two Challenges If You're in a Funk or Feeling Lonely

58:26 Steve Being a Control Freak

01:00:14 Networking Events

01:00:55 Ads

01:09:20 Using the Word "Because" as a Leader

01:11:01 How Do We Know If Someone Likes Us?

01:14:20 What If You're Not a Funny Person?

01:16:09 Can You Learn to Be Funny?

01:16:57 Touch

01:18:10 Hacks for Being Funny

01:19:36 Channeling Other People

01:20:36 Microexpressions

01:21:37 Reading Fear in People's Faces

01:23:24 Seeing Disgust in People's Faces

01:25:09 How to Tell If Someone Is Angry Without Them Saying It

01:27:05 How to Tell When Someone Is Truly Happy

01:28:49 How to Tell If Someone Is Sad Even If They Don’t Say It

01:31:03 How to Tell If Someone Is Surprised

01:32:33 How to Tell If Someone Has Contempt Toward You

01:35:23 Can and Should We Change Our Personalities?

01:37:20 Steve's Personality Traits

01:38:49 Making Your New Partner Take a Personality Test

01:41:20 Conscientious People

01:57:05 Do Extroverts Have Better Immunity?

01:58:04 Personality Traits of Lifelong Singles

01:59:57 Should We Know Other People's Personality Types When We Meet Them?

02:01:38 Feeling Like the Vibe Is Off

02:03:31 What Are You Doing to Serve Others

Follow Vanessa: 

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You can purchase Vanessa’s book, ‘Cues: Master the Secret Language of Charismatic Communication’, here: https://g2ul0.app.link/L0YqrVvaqSb 

Watch the episodes on Youtube - https://g2ul0.app.link/DOACEpisodes 

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Dr. Peter Attia is a physician, researcher, and best-selling author of Outlive: The Science and Art of Longevity. He founded Early Medical, a longevity-focused practice, and co-founded 10 Squared, a hybrid testing lab and training center.

In this episode, Peter and Steven dive into the real science of aging, the #1 predictor of mortality most people ignore, the silent epidemic of male loneliness and addiction, and how to boost testosterone and extend your healthspan naturally.

Chapters:

00:00 Intro

00:02:16 What Is Peter Focused On at the Moment?

00:06:50 What Steven Wants To Be Able To Do in His Last Decade

00:10:20 Ageing Is Inevitable

00:15:15 What Peter Wishes Someone Had Told Him in His 30s

00:17:13 Men's Health

00:17:59 What Is It To Be a Man?

00:18:46 Is Testosterone on the Decline?

00:23:31 Sleep and Bad Choices

00:26:50 What Are the Things Peter Wants To Do in His Marginal Decade?

00:28:48 How To Prepare Now for the Marginal Decade

00:32:11 Peter's Workout Routine

00:35:39 What Causes Injury in the Gym?

00:37:45 Why Is Building Muscle Mass Important?

00:38:27 Training on Fatigue

00:40:43 Grip Strength Test as a Longevity Indicator

00:42:44 Danger of Falling After Age 65

00:45:32 How To Train Power To Prevent Falling in Older Age

00:46:46 Is Training Balance Important?

00:47:46 Peter's Approach to Flexibility Training

00:52:04 Peter's Strength Training Routine

00:53:06 Why Endurance Exercises Are Gaining Popularity

00:53:58 What Is VO2 Max and Why It Matters for Longevity

01:03:59 Jack's VO2 Max Results

01:05:40 Jack's Heart Rate Recovery Results

01:06:31 Jack's Zone 2 Test Results

01:08:34 How Can Jack Improve His Results?

01:09:00 Ads

01:11:18 Jack's Cardio Routine

01:13:21 Measuring Bone Density and Muscle Mass – DEXA Scan

01:19:52 Preventing Bone Density Loss

01:21:32 Nutrition for Bone Density

01:23:44 Building Muscle Mass

01:25:30 Gaining Muscle Mass Through Nutrition

01:27:26 How Different Are Women's Results Generally?

01:28:34 Determining if Subcutaneous Fat Is an Issue

01:29:52 What Causes Visceral Fat?

01:30:59 Intermittent Fasting To Reduce Visceral Fat

01:31:28 Sleep, Stress, and Visceral Fat Connection

01:32:34 Is Alcohol Acceptable from a Health Perspective?

01:36:24 Are People Electrolyte Deficient?

01:37:56 Importance of Nuance in Navigating Information

01:42:21 Peter's Book

01:44:13 Question From the Previous Guest

Follow Dr. Peter:

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More from DOAC:

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“If you want to manipulate people, I’ll teach you how.” 

Former covert CIA officer Andrew Bustamante exposes the real spy tactics used to manipulate, uncover secrets and spot liars.

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He was supposed to fight crime but broke every rule in the book - this is the real story of NYPD’s dirtiest cop, Mike Dowd.

Mike Dowd is a former New York City Police Department (NYPD) officer who became corrupt and worked for the Dominican-American Diaz criminal organisation. He was arrested in 1992 for drug distribution and served 12 years in prison. 

In this conversation, Mike and Steven discuss topics such as, how Mike made $40,000 a day from police corruption, the secrets that NYPD don’t want you to know, how Mike never thought he’d get caught as a cop, and how getting arrested saved Mike’s life. 

00:00 Intro

02:17 NY’s Dirtiest Cop

03:02 How Many Crimes Did Mike Commit?

04:21 Mike Stole Someone’s Porn Collection

08:48 Entering the Police Force

09:07 Did Mike Mean the Oath He Took?

09:41 Integrity Training at the Academy

11:04 We Were Always Told to Cover Our Ass

12:23 The Police Agree They Won't Snitch on Each Other

15:21 Mike Was Told to Stop Arresting People

18:21 Taxing People Instead of Arresting Them

19:52 Were Cops Given Sexual Favours?

20:53 Mike’s Sergeant Encouraging Robbing Money

23:10 Did Seeing Dead Bodies Bother Mike?

27:11 Started Dealing Drugs

29:20 Biggest Heist

30:07 Were Other Cops Involved in Stealing and Dealing?

33:07 Did Mike Ever Think He Was Going to Get Caught?

33:39 Mike’s Personal Life

34:23 Why Didn't You Stop?

34:31 Mike Receiving Death Threats from Another Officer

38:00 Baron Perez, the Brooklyn Middleman

38:21 Meeting La Compañía

39:42 La Compañía Boss Putting a Hit on Him

41:15 Meeting Adam Diaz

43:00 Mike Saving Adam Diaz’s Money

43:44 Franklin and Coke – Local Bandits Who Robbed Dealers

45:11 Ads

46:03 Officer Venable and Feeling Guilt

48:06 How Did Mike’s Guilt Manifest Physically?

50:02 Who Had You Become?

51:37 Coming Home from Rehab

53:20 How Long Were You in Rehab For?

53:51 Why Didn't You Stop If You Knew They Were Onto You?

54:44 The Year You Got Arrested

57:35 How Did It Feel When You Got Arrested?

59:56 Advice About Living an Authentic Life

01:03:21 Getting Released on Bail

01:04:43 Kidnapping Scandal to Pay Family’s Bail

01:06:31 Arrested for the Second Time

01:08:12 The Day You Went to Prison

01:09:53 Ads

01:10:54 What Was Your Family Going Through?

01:12:25 First Time Mike’s Mum Came to See Him in Prison

01:13:18 Mike Getting Emotional in Front of His Mum

01:14:23 Mike’s Mum Tried to Keep Him Straight

01:16:38 Mike’s Mother Not Showing Him Love

01:18:04 Reflections on Parents After Everything

01:20:27 Coming Out of Jail at 44

01:22:02 Being Institutionalised

01:23:12 Life After Jail

01:24:28 What Did Mike Need to Hear at 18?

01:26:57 Does Corruption Still Happen Today?

01:29:42 What Has the Universe Put You Here to Share?

Follow Mike: 

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Are we raising a lost generation of men? Is society failing young boys? In this emergency discussion, Steven sits down with expert guests to explore the recently published ‘Lost Boys Report’.

The Diary Of A CEO’s masculinity discussion is joined by Scott Galloway and Logan Ury. Scott Galloway is a member of the advisory council for the American Institute for Boys and Men and Professor of Marketing at the New York Stern School of Business. Logan Ury is a behavioural scientist turned dating coach and Director of Relationship Science at Hinge. 

In this discussion, Scott, Logan, and Steven discuss topics such as, how toxic masculinity has a grip on young men, whether dating apps are creating a generation of incels, the rising levels of violence among adolescent men, and why young boys are giving up on love and work. 

00:00 Intro

02:13 The Lost Boys Report

03:46 Who Is Logan and What Does She Do?

05:07 Who Is Scott

06:12 How Did This Happen?

10:38 Fatherless Homes

14:40 Are Boys Mentally Weaker?

16:51 Is the Education System the Problem?

22:49 Where Are Male Role Models?

30:08 What the Stats Say About Dating

34:42 Dating Standards

44:23 Do Women Really Want Emotionally Attuned Men?

46:16 If They're Okay, Always Go on a Second Date

48:06 Men's Groups: Should We Have Them and What Are the Benefits?

54:57 Ads

55:50 Steve's Supportive Group of Friends

1:02:42 The Dangers of Porn for Young Boys

1:08:01 How Scott Helps Men With Porn Addiction

1:13:12 Men Approaching Women in a Post-MeToo Era

1:15:27 Teens Don’t Know How to Ask Girls Out in Person

1:25:22 Do Successful Women Struggle to Find a Partner?

1:28:11 Ads

1:29:14 The Rise of Feminism

1:30:54 Money Equals Identity for Men

1:36:09 Does Money Give Self-Worth to Women?

1:38:42 The Human Dating Boot Camp

1:47:33 How Is the Left Going to Get Men Back?

1:52:16 Advice for Parents of Young Boys

1:55:12 What Scott and Steve Had to Unlearn About Being a Man

2:10:02 Closing Message for the Lost Boys

You can learn more about the March 2025 CSJ Report, here: https://g2ul0.app.link/2kI16MnW6Rb 

Follow Scott: 

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You can purchase Scott’s book, ‘The Algebra of Happiness: The Pursuit of Success, Love and What It All Means’, here: https://g2ul0.app.link/gNRRlBCU6Rb 

You can purchase Logan’s book, ‘How to Not Die Alone: The Surprising Science That Will Help You Find Love’, here: https://g2ul0.app.link/4aQGk5EU6Rb 

Research document: https://stevenbartlett.com/wp-content/uploads/2025/03/DOAC-Lost-Boys-Independent-Research-and-Further-Reading.pdf

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Dr. Daniel Lieberman exposes the truth about cardio and fat loss, why modern shoes might be harming our feet, and how our quest for comfort is quietly weakening our bodies. This is a compassionate conversation for anyone who's ever struggled with knowing what to believe about exercise.

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Is your belly fat, stress, or burnout actually a hormone issue? Dr. Sara Szal reveals the hidden hormone connection and how to fix it for good 

Dr. Sara Szal (previously Gottfried) is a Harvard-trained medical doctor and researcher, with 30 years of experience. She is the author of 4 bestselling books such as, ‘The Autoimmune Cure: Healing the Trauma and Other Triggers That Have Turned Your Body Against You’. 

00:00 Intro

02:43 What Sara Does for People

04:16 Background and Training

05:56 Helping 40,000 People

08:44 What Is Precision Medicine?

10:19 What’s Wrong with Conventional Medicine?

13:04 Why Sara Chose This Career

15:10 Importance of Healing from Past Trauma

16:44 How Trauma Manifests into Health Conditions

20:43 Lack of Nutrition and Lifestyle Education in Medical Training

22:12 Cortisol and Stress

25:23 Is There a Link Between Cortisol and Trauma?

26:02 Daily Habits That Disrupt Hormones

29:15 How to Optimise Your Health

30:35 Is Sugar the Enemy?

31:56 Supplements for Hormonal Balance

32:52 Common Nutritional Deficiencies

36:54 How to Regulate Cortisol Levels

41:04 Is It Easy to Get Someone to Change?

42:20 Can Encouraging Change Cause Harm?

44:25 How to Support Someone Breaking Bad Habits

46:34 When Should Men Start Monitoring Testosterone?

47:58 Testosterone in Women

48:32 Signs of Low Testosterone in Men

49:02 Symptoms of Low Testosterone in Women

49:52 Symptoms of High Testosterone in Women

50:54 How to Regulate Testosterone Levels

53:08 Why Estrogen Is Important for Both Men and Women

58:40 Importance of Fibre in the Diet

59:30 Role of the Microbiome in Hormone Regulation

01:00:51 Fibre-Rich Foods

01:01:04 Sara’s Preferred Diet

01:02:53 The Ketogenic Diet

01:05:01 Side Effects of the Keto Diet

01:05:36 Can You Stay on Keto Long-Term?

01:07:00 Strategies for Effective Weight Loss

01:08:05 Fasting

01:12:05 What Is Perimenopause and When Does It Begin?

01:16:12 Can Menopause Symptoms Be Avoided?

01:16:47 Birth Control

01:17:37 Who Is Birth Control For?

01:18:28 How Is Sara Doing Today?

01:19:36 Whole Body Yes

01:20:39 How to Know If a Marriage No Longer Works

01:24:54 Sara’s Divorce: Could It Have Been Saved?

01:26:40 Are Women in Menopause More Likely to Divorce?

01:28:01 Do Happiness Levels Increase in Your 50s?

01:29:10 How to Better Support Women

01:32:38 How Gender Roles Can Be Harmful to Women

01:33:59 Why Women Are Generally More Stressed Than Men

01:35:11 Are Women More Sensitive Than Men?

01:35:46 Why Women Are More Prone to Autoimmune Diseases

01:38:13 Does Late Motherhood Increase Cancer Risk?

01:39:31 Are Gender Roles Misaligned with Human Biology?

01:40:44 What Is Polarity in Heterosexual Relationships?

01:44:52 How to Keep Sexual Attraction Alive

01:48:35 Building Emotional Connection with Conversation Cards

01:50:36 How Sleep Affects Hormonal Balance

01:52:18 Heart Rate Variability (HRV)

01:52:57 How to Improve HRV

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From turning down $3 billion from Facebook to building a $100 billion empire, Evan Spiegel reveals the blueprint behind Snapchat.

Evan Spiegel, co-founder & CEO of Snapchat (now Snap Inc.), founded the app while at Stanford and became the youngest billionaire at 25.

In this conversation, Evan and Steven cover how Snapchat almost didn’t exist, Evan’s ‘T-Shaped’ leadership style, getting bullied before founding Snapchat, and the harshest day of his CEO journey.

Chapters:

00:00 Intro

02:29 The Dots That Got You Here

03:33 Did You Feel Like You Fitted In?

03:46 When Did Computers First Come In?

05:02 Things Aren’t as Complicated as They Seem

05:28 You Got Bullied

06:09 What Were You Like as a Kid

07:33 Why CEOs Don’t Do Many Podcasts

08:55 Why Did You Choose Product Design?

10:30 Your Class in Entrepreneurship

11:00 Key Lesson From Entrepreneurship Class

12:02 Big Ambitions

13:26 Entrepreneurship in Europe

16:00 Your First Failure

18:00 How to Know When to Quit

18:50 Why Love & Passion Matter

19:19 Launching Early & Getting Feedback Fast

20:39 How Initial Ideas Can Be Wrong

21:37 How You Started Snapchat

27:03 Customer Feedback to Implement

28:36 Raising Capital

29:46 Investor Feedback

30:17 Building a Social Network Sounds Delusional

31:51 Doubting Snapchat's Success

36:19 Quitting University for Snapchat

37:33 Advice for Young Entrepreneurs

39:27 Are Job Titles Limiting Creativity?

40:34 Hierarchy Issues in Companies

42:22 Innovating at Snapchat

47:59 Importance of Hiring

49:00 Hiring Mistakes to Avoid

51:06 Leadership Traits of a Perfect Hire

52:25 Being Nice vs. Being Kind

53:52 T-Shaped Leadership

56:44 Advice to Younger Evan

59:39 Embedding Company Culture Early

01:01:51 When Company Culture Dilutes

01:03:35 Company Incentives

01:04:25 Worst Early Advice

01:05:47 How Mark Zuckerberg Approached You

01:10:04 Saying No to That Offer

01:13:13 Youngest Billionaire at 25

01:14:19 Managing Romantic Relationships

01:19:23 Ads

01:20:21 Your LinkedIn Bio Joke

01:22:45 Messaging Zuckerberg When They Copied Features

01:26:57 Should Big Tech Monopolies Be Stopped?

01:29:25 Hardest Day When Copied

01:30:30 Leading in Tough Times

01:31:48 Content Moderation Challenges

01:36:28 Why Meta Rolled Back Moderation Policies

01:39:20 Optimism About America

01:40:08 Social Media & Your Kids

01:42:51 Is TikTok's Ban Good for Snapchat?

01:46:07 Snapchat Going Public

01:48:28 Killing Projects You Loved

01:50:15 How Do You Prioritize?

01:52:23 Ray-Ban Spectacles Launch Reaction

01:53:37 Will Kids Learn From AI?

01:56:34 Tradeoffs With AI

01:58:22 Ads

02:00:35 Snapchat in 2025

02:02:14 Importance of Counsels at Work

02:05:34 When to Listen to Your Team

02:06:22 Work-From-Home Policies

02:08:42 Principles of a Successful Entrepreneur

02:10:18 Managing Stress

02:13:10 Worst Days of Snapchat

02:13:50 Do You Have Imposter Syndrome?

02:15:08 Would You Start Another Tech Company?

02:17:23 Hardest Thing You’ve Overcome

02:18:17 Self-Awareness

02:20:45 Do You Feel Impatient as a Leader?

02:21:35 What Would Your Team Say About You?

02:22:12 What Are You Really Good At?

02:26:55 Biggest Question Entrepreneurs Should Ask

Follow Evan:

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