An Instacart founder shares his sneaker test for entrepreneurs

Tech Insider : Business
Instacart cofounder Max Mullen
Max Mullen is the cofounder of Instacart.

Sam Barnes/Sportsfile via Getty Images

I built an AI app with a tiny team. We scaled it to millions and sold it to MyFitnessPal in under 2 years — here's how.

Tech Insider : Business
A young man with tousled dark hair and a small goatee faces forward wearing a gray sweatshirt against a plain background.
Jake Castillo cofounded Cal AI in 2024.

Courtesy of Jake Castillo

I burned out at my VC job, so I opened a Pilates studio. I work more now — but it feels good to not have to say 'yes.'

Tech Insider : Business
A woman in navy exercise outfit stands in front of white shelves, smiling at camera
Anna Noelle Rinke said she felt like she always had to say "yes" when she worked a corporate job.

Anna Noelle Rinke

Kimora Lee shares how she spent years investing, bought back Baby Phat, and caught a Y2K wave

Tech Insider : Business
Kimora Lee
Kimora Lee bought back Baby Phat in 2019.

Jamie McCarthy/WireImage via Getty Images

I founded Culture Pop in my 50s, but my youngest hires keep it relevant and fresh

Tech Insider : Business, Environment
Culture Pop CEO Tom First
Tom First, 59, is the founder and CEO of Culture Pop.

Billie Weiss/Culture Pop Soda

Why Swedish vibe-coding startup Lovable rejects candidates who want rigid structure — and hires for 'founder DNA'

Tech Insider : Business, Environment
Lovable's People chief Maryanne Caughey
Lovable's People chief Maryanne Caughey says the startup rejects structure and hires for "founder DNA."

Courtesy of Lovable

I started my restaurant business with $5,000 I earned from online gambling. It's now a $20 million national chain.

Tech Insider : Business, Economy, Sports
Tom Armenti, president and CEO of Fat Shack Inc., appears on Shark Tank.
Tom Armenti, president and CEO of Fat Shack Inc., started his restaurant company using online gambling winnings.

Eric McCandless/ABC

I blew up my comfortable life in 2019. It led me to build a six-figure business and portfolio career.

Tech Insider : Business
Mallory Contois headshot
Mallory Contois says quitting her dream COO role felt like gambling.

Courtesy of Clay Singer

I'm a co-creator of Alexa. Writing a 6-page memo helped me decide to quit Amazon and launch my own AI startup.

Tech Insider : Business
William Tunstall-Pedoe
William Tunstall-Pedoe is the founder and CEO of UnlikelyAI.

Courtesy of William Tunstall-Pedoe

Meet one of the most fashionable people at Davos: a CEO bringing minidresses and a Birkin to the World Economic Forum

Tech Insider : Style, Business, Travel
Jolie Hunt at the World Economic Forum in Davos.
Jolie Hunt at the World Economic Forum in Davos.

Jason Sanchez/Business Insider

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