“Dumbest idea I’ve heard” to $100M ARR: Inside the rise of Gamma | Grant Lee (CEO)

“Dumbest idea I’ve heard” to $100M ARR: Inside the rise of Gamma | Grant Lee (CEO)

November 13, 2025 1 hr 53 min
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🤖 AI Summary

Overview

Grant Lee, CEO of Gamma, shares the journey of building a $100M ARR AI-powered presentation tool in just over two years. This episode dives into Gamma's unconventional path to success, including their focus on onboarding, leveraging micro-influencers, and building a durable AI business. Grant also discusses their lean team structure, pricing strategies, and the importance of founder-led marketing.

Notable Quotes

- If I can learn growth, anybody can learn growth.Grant Lee, on the importance of prioritizing growth in competitive markets.

- You want to give people a ton of value with no expectation of anything immediately in return.Grant Lee, on the philosophy behind founder-led marketing.

- Virality is not an accident. It’s about removing friction and creating a well-oiled machine.Grant Lee, on the intentionality behind Gamma’s growth strategy.

🚀 The Power of Onboarding

- Gamma’s success hinged on creating a magical first 30 seconds for users. They revamped their onboarding process to ensure users experienced immediate value.

- The team focused on making it effortless for users to create and share content, removing friction at every step.

- This approach led to a surge in organic growth, with signups skyrocketing from hundreds to tens of thousands per day without paid marketing.

📈 Building a Word-of-Mouth Machine

- Gamma prioritized organic growth by focusing on creating a product that users would naturally share.

- They emphasized the importance of word-of-mouth as a core growth engine, with over 50% of their growth coming from organic referrals.

- Grant advises founders to avoid relying heavily on paid acquisition until a strong word-of-mouth engine is in place.

🎥 Influencer Marketing Done Right

- Instead of targeting big-name influencers, Gamma worked with thousands of micro-influencers who had niche, engaged audiences.

- Grant personally onboarded early influencers, ensuring they understood the product and could authentically share its value in their own voice.

- Tools like First Collab and small, specialized agencies helped Gamma scale their influencer marketing efforts.

🛠️ Experimentation and Prototyping

- Gamma embraced a culture of rapid experimentation, often testing ideas with users on platforms like Voice Panel and UserTesting within a single day.

- This approach allowed them to quickly validate ideas, iterate, and avoid wasting resources on features that wouldn’t resonate with users.

- They also created a “Gambassador Program,” a Slack workspace for power users to provide feedback on early prototypes.

👥 Hiring and Team Design

- Gamma operates with a lean team of around 30 people, emphasizing high leverage and impact per employee.

- They prioritize hiring generalists who can wear multiple hats and adapt to various roles.

- Their management philosophy centers on “player-coaches” who both lead and contribute directly to the work.

- Grant stresses the importance of building a team with shared values and a long-term commitment to the company’s mission.

AI-generated content may not be accurate or complete and should not be relied upon as a sole source of truth.

📋 Episode Description

Grant Lee is the co-founder of Gamma, the AI-powered presentation tool that’s one of the hottest and most interesting AI startups in the world right now. They’re valued at over $2 billion, and they hit $100 million ARR in just over two years, with a lean team of just around 30 people. Unlike many fast-growing AI startups, Gamma has been profitable for most of its history, has not raised significant funding, and they built a massive business in a category most investors dismissed. In fact, one investor told Grant his idea was “the dumbest idea he had ever heard.”

We discuss:

• How Gamma found product-market fit by rethinking their onboarding

• Their process for building a “word-of-mouth machine”

• How they leveraged more than 1,000 micro-influencers instead of big names

• Why focusing on the “first 30 seconds” transformed their business

• Their approach to pricing that led to profitability within months

• How Grant thinks about building a durable “GPT wrapper” business

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Where to find Grant Lee:

• X: https://x.com/thisisgrantlee

• LinkedIn: https://www.linkedin.com/in/grantslee

Where to find Lenny:

• Newsletter: https://www.lennysnewsletter.com

• X: https://twitter.com/lennysan

• LinkedIn: https://www.linkedin.com/in/lennyrachitsky/

In this episode, we cover:

(00:00) Introduction to Grant Lee and Gamma

(05:59) The founding story of Gamma

(09:52) Achieving product-market fit

(15:43) Self-awareness as a founder

(17:17) The power of onboarding

(20:41) The original insight that led to Gamma

(22:42) Founder-led marketing and growth tactics

(29:20) Sharing online

(37:40) Getting to $100M ARR

(41:19) Influencer marketing as a growth strategy

(54:08) Virality is not an accident