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by Phil Carter
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- 5 days ago51 min
How Cal AI Hit $50M ARR in 2 Years by Nailing Product/Channel Fit on TikTok
Daniel Heintzman is Head of Product at Cal AI, an AI-powered calorie tracking app that grew to over $50M ARR in under two years before being acquired by MyFitnessPal in December 2025. Before Cal AI, Daniel was a product designer with stints at Facebook's Growth team, Robinhood, and Mailchimp, and was later a Designer in Residence at early-stage product fund Chapter One. He started his career as a software engineer at BlackBerry and studied engineering at the University of Waterloo. Daniel als...
- 2 weeks ago51 min
How Suno Grew to $300M in ARR by Democratizing Music Creation
Mikey Shulman is the cofounder and CEO of Suno, an AI music generation platform that allows anyone to create full songs with lyrics, vocals, and instrumentation from a simple text prompt. Prior to founding Suno, Mikey was the first machine learning hire and Head of Machine Learning at Kensho, an AI company acquired by S&P Global for over $500 million. He holds a Ph.D. in Physics from Harvard University, a degree in applied physics from Columbia University, and is a lifelong hobbyist music...
- Apr 16, 202655 min
How Discord Completely Redesigned its Mobile Apps
Francesco Polizzi is the former Head of Core Experience at Discord, where he led a complete overhaul of the company’s mobile apps. He has also held roles as the Head of Product at both Outschool and Photomath (acquired by Google in 2023), and served as a PM at Dropbox and a growth engineer at Mozilla earlier in his career. Francesco recently left his role as a product executive to start his own stealth AI startup. Key Takeaways When Francesco first joined Discord in late 2021, the company had...
- Apr 2, 202653 min
How ElevenLabs is Building Consumer Apps on its $11B Voice AI Platform
Jack McDermott is a growth lead at ElevenLabs, where he leads growth for its mobile products — including the ElevenLabs app and ElevenReader, a consumer app built on top of the company’s cutting-edge voice AI platform. Prior to ElevenLabs, he led growth teams at Chegg, where he focused on the company’s skills growth and product during a period of rapid change as AI began reshaping the education category. He started his career in growth at Panorama Education (YC’13). Jack has developed a stron...
- Mar 19, 202654 min
Insights from RevenueCat’s 2026 State of Subscription Apps Report
Rik Haandrikman is the VP of Growth at RevenueCat, the world’s largest SaaS platform for subscription apps that need help powering in-app purchases, managing customer data, and growing revenue. Prior to joining RevenueCat in 2022, Rik held growth leadership roles at Bitrise and Divitel, and also founded his own eCommerce company called Gimmerce that leveraged printing technology to allow for rapid, cheap, and scalable personalization of products to target niche groups of consumers. Key Takewa...
- Mar 5, 20261h 5m
How SuperMe is Building the Professional Network for the AI Era
Casey Winters is the cofounder and CEO of SuperMe, an AI-native company that is designed to be the professional network for the AI era by connecting users with AI avatars of professional thought leaders. He is also one of the most respected and influential growth leaders in technology, having previously held product and growth leadership roles at Eventbrite, Pinterest, and GrubHub, as well as advised dozens of high-growth tech companies like AirBnB, Canva, and Faire. On the side, Casey is als...
- Feb 19, 202659 min
How GameChanger Became the World’s #1 Youth Sports App
Sameer Ahuja is President of GameChanger, which he originally joined as VP of Finance and Analytics in 2017 before being promoted multiple times. He is also an SVP of Dick’s Sporting Goods, which acquired GameChanger in 2016. Prior to joining GameChanger, Sameer founded a boutique hedge fund called Dera Capital Advisors that he ran for six years. He is also a venture advisor for Marquee Ventures. Key Takeaways: GameChanger’s initial core product was built around scorekeeping for youth basebal...
- Feb 5, 202645 min
How Speak Built a $1B AI Language Learning App
Connor Zwick is the cofounder and CEO of Speak, a billion dollar app that is reinventing digital language learning by getting users into real conversations with AI-powered voices. Connor started Speak in 2016 with cofounder Andrew Hsu. Prior to founding Speak, Connor built his first startup called Flashcards+ when he was still in high school and eventually sold it to Chegg. He then went to Harvard, but dropped out to become a Thiel Fellow and found another startup called Coco Controller. Key...
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About Subversive
Subversive is a podcast dedicated to sharing stories from the best consumer subscription apps in the world. We'll bring you lessons for how to grow your consumer subscription business, including insights and inflection points that led to exponential growth from leaders at category-defining companies and innovative startups.
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