David Baszucki (@DavidBaszucki) is the founder and CEO of Roblox. TIME named Roblox one of the “100 Most Influential Companies,” and it has been recognized by Fast Company for innovation on their “Most Innovative Companies” and “Most Innovative Companies in Gaming” lists.

Previously, David founded Knowledge Revolution, where he and his brother Greg created Interactive Physics, a leader in educational physics and mechanical-design-simulation software.

Please enjoy!

This episode is brought to you by:

• Qlosi prescription eye drop used to treat age-related blurry near vision (presbyopia) in adults
• AG1 all-in-one nutritional supplement
• Wealthfront high-yield cash account

Additional podcast platforms

Listen to this episode on Apple Podcasts, Spotify, Overcast, Podcast Addict, Pocket Casts, Castbox, YouTube Music, Amazon Music, Audible, or on your favorite podcast platform. Watch the interview on YouTube.

Transcripts

SELECTED LINKS FROM THE EPISODE

Tools & Applications 

Roblox

Books & Media

People Mentioned

Concepts & Background & Helpful Resources

• Ketogenic Diet
• Cyclical Ketogenic Diet
• Exogenous Ketones / Ketone Esters
• Intermittent Fasting
• Gluconeogenesis
• Hyperbaric Oxygen Therapy
• Continuous Glucose Monitoring
• Ketoacidosis
• Metabolic Psychiatry: A Patient-Provider Discussion with Christin Kehoe & Christopher Palmer, MD | Metabolic Health Summit
• Chronic Schizophrenia Remission Brings Hope | Metabolic Multiplier
• Ketogenic Diet Helps Young Ecuadorian Twins Improve Their Schizophrenic Symptoms | Chris Palmer, MD
• Dom D’Agostino — The Power of the Ketogenic Diet | The Tim Ferriss Show #172
• The Ketogenic Diet for the Treatment of Mood Disorders in Comorbidity With Epilepsy in Children and Adolescents | Frontiers In Pharmacology
• What is Metabolic Psychiatry? | Stanford Medicine
• Toward the Greater Good | Baszucki Group
• Peter Attia, M.D. — Fasting, Metformin, Athletic Performance, and More | The Tim Ferriss Show #398
• Want a Better Night’s Sleep? The Keto Diet Can Help | Healthline
• 15 Best Keto Coffee Drinks | Insanely Good
• 10+ Best Keto Fat Bomb Recipes | Delish
• 10 Best and Worst Fats to Eat on the Keto Diet | Everyday Health
• Top 13 Common Keto Mistakes and How to Fix Them | Perfect Keto
• History and Origin of the Ketogenic Diet | SpringerLink
• Evidence for Altered Energy Metabolism, Increased Lactate, and Decreased PH in Schizophrenia Brain: A Focused Review and Meta-Analysis of Human Postmortem and Magnetic Resonance Spectroscopy Studies | Schizophrenia Research
• Spark: The Revolutionary New Science of Exercise and the Brain by John J. Ratey and Eric Hagerman
• My Life Extension Pilgrimage to Easter Island | The Tim Ferriss Show #193
• The Life-Extension Episode — Dr. Matt Kaeberlein on The Dog Aging Project, Rapamycin, Metformin, Spermidine, NAD+ Precursors, Urolithin A, Acarbose, and Much More | The Tim Ferriss Show #610

This episode is brought to you by Qlosi, an FDA-approved, prescription eye drop designed to improve your near vision and help you see things up close more clearly. With once- or twice-daily dosing, packaged in single dose vials, Qlosi fits into your routine and is ready when you need it. In clinical studies, people could read letters in the eye chart equivalent to reading menus, recipes, and phone screens with fast acting, near vision improvement often starting in just 20 minutes. Most side effects in studies were mild and short-lived, including eye discomfort and headaches. Give your readers a break and ask your eye doctor if Qlosi is right for you. Visit Qlosi.com/Tim to find an eye doctor, along with full prescribing information.

This episode is brought to you by AG1! I get asked all the time, “If you could use only one supplement, what would it be?” My answer is usually AG1, my all-in-one nutritional insurance. I recommended it in The 4-Hour Body in 2010 and did not get paid to do so. Right now, get a FREE Welcome Kit, including Vitamin D3+K2 and AG1 Travel Packs, when you first subscribe. Visit DrinkAG1.com/Tim to claim this special offer today and receive your 1-year supply of Vitamin D—a vital nutrient for a strong immune system and strong bones!

This episode is brought to you by Wealthfront! Wealthfront is a financial services platform that offers services to help you save and invest your money. Right now, you can earn a 3.75% base APY—that’s the Annual Percentage Yield—with the Wealthfront Cash Account from its network of program banks. That’s nine times more interest than an average savings account at a bank, according to FDIC.gov as of 10/20/2025 (Wealthfront’s 3.75% APY vs. 0.40% average savings rate). Right now, for a limited time, Wealthfront is offering new clients an additional 0.65% boost over the base rate for three months, meaning you can get 4.40% APY, limited to $150,000 in deposits. Terms & Conditions apply. Visit Wealthfront.com/Tim to get started. 

The Cash Account, which is not a deposit account, is offered by Wealthfront Brokerage LLC, member FINRA/SIPC. Wealthfront Brokerage is not a bank. The 3.75% Base APY on cash deposits is as of September 26, 2025, is representative, subject to change, and requires no minimum. If you are eligible for the overall boosted rate of 4.40% offered in connection with this promo, your boosted rate is also subject to change if the base rate decreases during the three-month promotional period. Tim Ferriss, who is not a client, receives cash compensation from Wealthfront Brokerage LLC for advertising and holds a non-controlling equity interest in the corporate parent of Wealthfront Brokerage LLC. This ad may not reflect the experience of other Cash Account clients, and similar outcomes are not guaranteed. See full disclosures here.