Julia
Enthoven

From Meme Maker to
25-Million-User Video Empire

In 2017, Julia Enthoven was a 23-year-old Product Manager at Google working on Image Search. She had a Stanford math degree, a Google APM badge, and a creeping sense that building someone else's product wasn't enough. She wanted to move the needle from zero to one. So she left.

She and Eric Lu - a colleague she met on the Google campus - didn't have a product when they quit. They had a hypothesis: short-form video was eating the internet, and the tools to create it were either too expensive, too complex, or locked behind desktop software. They built Kapwing in San Francisco, starting with a dead-simple meme generator. Educators, students, and content creators found it. Then they came back. Then they brought friends.

What she applied to growth was less startup dogma and more behavioral economics. The key insight: let the user build something before asking them to sign in or pay. Don't put the friction before the value. This one product decision, borrowed from Nudge, helped Kapwing scale to millions of users without burning a dollar on paid acquisition in its earliest days.

The American Association of School Librarians named Kapwing Best Website of 2018. Product Hunt named Enthoven Maker of the Year that same year. Series A funding - $11M led to a $14.4M total - arrived in September 2019. Forbes listed her among 30 Under 30 in Consumer Technology in 2020. The platform kept growing: video editor, subtitle generator, screen recorder, AI script writer, then a full collaborative studio with AI woven through every layer.

By 2025, Kapwing had 25 million registered users, a 37-person team in San Francisco, and Julia Enthoven speaking at the NAB Show alongside broadcast and media industry veterans. The company that started as a meme tool was now a serious platform for the modern creator economy - teams at startups, nonprofits, marketing agencies, and universities building video content in their browsers without touching Final Cut or Premiere.

Stanford, Apple, and Two Years at Google

Enthoven grew up in Texas and studied Math and Computer Science at Stanford, where she was a senior staff writer at The Stanford Daily - an unlikely origin story for a video startup CEO that turns out to be exactly the right training. She graduated in 2015 and moved to Silicon Valley, first interning at Apple, then joining Google's Associate Product Manager program.

At Google she worked on Identity and Authentication, then on Image Search - the same team where she met Eric Lu, her future co-founder. The pair developed complementary instincts. Lu brought engineering depth; Enthoven brought product strategy and an obsession with user behavior. Their collaboration was built before their product existed - which is exactly how she advises founders to do it: "Find a co-founder before they find an idea."

Her father was an entrepreneur. Growing up watching him build businesses planted a seed that two years in a corporate APM program turned into a decision. She wanted ownership. She wanted to see something go from nothing to real. In 2017, she and Lu left Google to find out if they could.

What Happens When You Bet the Roadmap on AI

In April 2023, Enthoven made a call: Kapwing would pivot its product strategy entirely toward AI applications. The timing was controversial internally - it meant deprioritizing features users were already asking for. It worked. The pivot drove significant growth and accelerated the product's differentiation in a market crowded with traditional video editors.

She didn't stop at integrating AI into the product. By Q1 2026, Kapwing had achieved something remarkable even in San Francisco's AI-obsessed ecosystem: 100% adoption of AI coding agents across the entire engineering team. Every employee committed AI-assisted code. Enthoven wrote about the process in detail - what resistance looked like, what unlocked buy-in, and what changed about engineering culture when the baseline assumption was human-AI collaboration.

In November 2025, she launched Kai - Kapwing's dedicated AI assistant for creative assets, designed to help teams manage, generate, and repurpose video content at scale. The product reflects the company's conviction that the future of video production isn't about faster rendering - it's about removing the distance between having an idea and seeing it finished.

Tess.Design: What Happens When a Good Idea
Meets a Hard Market

In May 2024, Enthoven launched Tess - an AI image generator with a different premise than any on the market. Instead of training on scraped artwork without consent, Tess built models in partnership with artists, trained on their style with permission, and split subscription revenue 50/50 based on how often each artist's model was used. The legal framework argued that stylistically-derived outputs gave artists copyright ownership of derivatives. Clean, compelling, defensible.

The failure wasn't product-market fit in the usual sense. It was a collision of three forces: unresolved copyright litigation that risk-averse enterprise buyers couldn't navigate; a creative community culturally hostile to AI in 2024; and resource constraints that made splitting focus between Tess and Kapwing a losing proposition. She named each factor plainly in her retrospective, advised founders on what to watch for, and went back to Kapwing with sharper clarity about where to direct the company's energy.

This is the pattern that defines her leadership. The willingness to experiment, the discipline to document, and the honesty to publish the numbers - including $12,172 in gross revenue - marks Enthoven as a rare voice in a startup world where post-mortems usually come only after acqui-hires.

Founder, Writer, Runner, Feminist

Enthoven runs every day. She's described her 8-10am window as peak productivity and guards it accordingly. She reads 6-8 books a year - physical copies, managed through a running Google Doc she shares when asked. The reading list spans fiction, literature, and product design. The title that changed her professional trajectory: Lean In by Sheryl Sandberg, which she credits with building her confidence navigating male-dominated tech.

She grew up in Texas, moved to Silicon Valley for her career, and identifies openly as a feminist. She's written about the friction of being a female founder taken less seriously in high-stakes decisions - and about the advantages of the perspective it creates. She mentors women in tech and, through her Kapwing blog and speaking engagements, gives away more practical startup advice per year than most founders accumulate in a decade of LinkedIn posting.

Her Stanford Daily writing background is not incidental. Kapwing's content strategy is unusually strong for a company of 37 people because the CEO treats writing as a first-class product. She writes transparently about recruiting, AI adoption, leadership, risk, and failure. In a world where startup blogs are largely AI-generated marketing filler, hers read like dispatches from someone actually running a company.

The personality trait she names as most essential for entrepreneurs: adaptability. Not resilience, not grit, not hustle. Adaptability - the capacity to update your mental model fast enough to be useful. Given the number of pivots and experiments she's navigated at Kapwing, it's a self-aware answer.

From Intern to 25M Users