Tetragrammaton with Rick Rubin

Chris Best is a technology entrepreneur and CEO of Substack. In 2017, he co-founded Substack, the publishing platform that helped popularize paid newsletters and direct-to-audience media businesses for writers, journalists, and creators. Previously, he worked as a vice president of engineering at Kickstarter and earlier co-founded the social messenger app Kik. Under his leadership, Substack has grown into a major player in independent media, attracting prominent authors, commentators, and podcasters seeking ownership of their audiences and subscription revenue.

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Thank you to the sponsors that fuel our podcast and our team:

AG1

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Brian Hoyer is an environmental health consultant and founder of Shielded Healing, specializing in electromagnetic field (EMF) testing, shielding, and mitigation. As a certified geobiologist with a background in functional nutritional therapy, he focuses on identifying electrical, wireless, and magnetic field exposures and their potential effects on sleep, stress response, and overall physiology. His work includes grounding strategies and shielding techniques to reduce environmental electromagnetic interference in both existing homes and new construction.

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Thank you to the sponsors that fuel our podcast and our team:

Anthropic

https://Claude.com/tetra

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AG1

https://DrinkAG1.com/tetra

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LMNT Electrolytes

https://DrinkLMNT.com/tetra

Use code 'TETRA'

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Squarespace

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GT Dave is the founder of GT’s Living Foods and a key figure in the commercialization of kombucha in the United States. He began producing and selling kombucha in the mid-1990s, starting with small batches distributed to local Los Angeles health food stores. Under GT’s leadership, the company expanded through natural food retailers, including Whole Foods, and grew into a leading kombucha brand while maintaining a focus on raw, fermented products including Synergy kombucha, Alive mushroom beverage, and coconut yogurt Cocoyo.

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Thank you to the sponsors that fuel our podcast and our team:

AGZ

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Squarespace

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Use code 'TETRA'

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Athletic Nicotine

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Jeff Harmon is the Co-Founder and Chief Content Officer of Angel Studios, the media company behind Sound of Freedom, His Only Son, After Death, and Dry Bar Comedy. He has played a key role in shaping Angel’s audience-driven approach to entertainment, including the Pay It Forward ticketing model and the Angel Guild, a community comprising over 2 million members which helps decide the films and shows that the company will distribute. His career, spanning 17 years, has centered on connecting creators directly with audiences through innovative digital distribution.

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Thank you to the sponsors that fuel our podcast and our team:

Anthropic

https://Claude.com/tetra

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AG1

https://DrinkAG1.com/tetra

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Athletic Nicotine

https://www.AthleticNicotine.com/tetra

Use code 'TETRA'

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LMNT Electrolytes

https://DrinkLMNT.com/tetra

Use code 'TETRA'

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Lectio 365

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Jonah Hill is a film actor, writer, and filmmaker. He broke out in comedy with Superbad in 2007, before earning critical acclaim in dramatic roles in Moneyball and The Wolf of Wall Street. He transitioned into filmmaking with his directorial debut Mid90s, a raw and culturally resonant coming-of-age story that established his distinct, emotionally honest voice. Expanding across mediums, he has directed music videos, commercial campaigns, and television, while producing and developing projects through Strong Baby Productions, including the Netflix documentary Stutz. Now a multidisciplinary filmmaker, he continues to shape character-driven stories—most recently directing Outcome, scheduled for release on April 10, 2026. 

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Thank you to the sponsors that fuel our podcast and our team:

AG1

https://DrinkAG1.com/tetra

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LMNT Electrolytes

https://DrinkLMNT.com/tetra

Use code 'TETRA'

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Squarespace

https://Squarespace.com/tetra

Use code 'TETRA'

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Lectio 365

https://Lectio365.com

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