Adi Tatarko

The word she didn't know was coffered. That was the problem — or rather, the problem in miniature, the linguistic fracture that would, within three years, produce a company valued at four billion dollars and reshape how tens of millions of people think about the insides of their homes. It was 2006 or 2007, somewhere in there, and Adi Tatarko and her husband Alon Cohen were sitting across from an architect in their newly purchased ranch house in Palo Alto — a four-bedroom place built in 1955, all low ceilings and postwar optimism — when the professional asked whether they'd like coffered ceilings in the living room. The couple looked at each other. "What?" Tatarko would recall. They started digging into books and magazines, trying to educate themselves on the vocabulary of their own desires, but the whole process was, in her word, "unbearable." They didn't have the terminology. Most people don't. You know what you want when you see it, and you cannot see it when you don't know what it's called.

This is a small humiliation that millions of homeowners have swallowed — the feeling of standing in your own house, spending your own money, and being unable to articulate the thing you're paying someone to build. The architects and contractors had their own frustrations, mirror-images of the homeowners': clients who ripped a photo from Architectural Digest showing a $400,000 kitchen and asked for something similar on a $20,000 budget, in a house half the size. The two sides of the transaction — desire and execution, dream and trade — were separated by an informational chasm that no amount of magazine clipping could bridge.

Tatarko, who had spent the previous several years deliberately downshifting her career to raise two small boys, who had moved from sixteen-hour days in Israel's tech sector to ten-hour days at a boutique investment firm in Silicon Valley, who had chosen financial planning school precisely because it seemed compatible with motherhood — Tatarko saw the gap and thought, someone should fix this. It was not a billion-dollar thought. It was a kitchen-table thought. But the distance between those two categories, it turns out, is sometimes nothing more than six months and the internet.

To understand what Tatarko built, you have to understand what didn't exist. In 2009, the year Houzz launched as a side project — not a startup, not a company, barely even a website — the home improvement industry in the United States was a roughly $300 billion market that operated, technologically speaking, in something close to the late 1980s. You found your contractor through a friend. You found your architect through your contractor. You communicated your aesthetic preferences by tearing pages from magazines and arranging them in a manila folder that you handed, hopefully, to a professional who would squint at your collage and try to reverse-engineer your taste. If you were lucky, you got something close to what you wanted. If you were unlucky — and renovation is a domain where unluck compounds — you ended up like the Tatarkos: months into a process, tens of thousands of dollars spent, holding plans they hated, forced to throw everything away and start over.

"It became miserable," Tatarko told The Independent. "After a long process and a lot of time and money that we couldn't afford, we ended up with plans that we didn't like and we had to throw it away and start all over again."

The couple's frustration was universal, which is precisely what made it commercially interesting, though neither of them saw it that way at first. Tatarko and Cohen did what frustrated tech-literate people do: they went online looking for help and found almost nothing. Pinterest wouldn't launch until 2010. Angie's List, founded in 1995, was a directory with reviews — useful for finding a plumber, less useful for imagining what your bathroom could become. There was no platform that combined visual inspiration, professional portfolios, community discussion, and actionable connection between homeowners and the people who could execute their visions.

So they decided to make one. Tatarko invited about twenty parents from their children's school, along with a handful of architects and interior designers from the Bay Area, to participate in what was essentially a shared visual bulletin board — a place where professionals could post photos of their work and homeowners could browse, save, and discuss them. The founding instinct was social, not commercial. It was a community before it was a product, a conversation before it was a marketplace.

"We really wanted to keep it small," Tatarko said, "as we didn't want to lose the community feeling of it. We never thought we'd expand beyond California."

Adi Tatarko was born in Tel Aviv, into a family where female entrepreneurship was not theoretical but hereditary — a trait passed down like eye color or a tendency toward impatience. Her grandmother, a Holocaust survivor, had been a fashion designer in the 1940s and 1950s, a woman who traveled the world attending fashion shows at a time when mothers of two were expected to stay home. "People really looked at her and said, 'What is she doing?'" Tatarko recalled. Her grandfather supported the work; society was less accommodating. Her mother ran her own real estate business. The women in the family shared a certain constitution: they built things, they raised children, and they did not accept that these were mutually exclusive activities.

Tatarko studied computer science at the Technion — Israel's equivalent of MIT, a school that has produced more startup founders per capita than perhaps any institution on earth — and then co-founded a small technology services company with Cohen. They married in 1998. The couple moved to the United States shortly after, arriving first in New York and then, in 2001, relocating to Silicon Valley. Cohen, a software engineer, took a senior director of engineering position at eBay. Tatarko, who had been working brutal hours in Israel's tech sector, made a deliberate choice: she would slow down, retrain as a financial planner, work at a small boutique investment firm, and focus on raising their growing family.

"I felt that working 10 hours a day and raising two kids is fun and great," she said. "You don't have to work 16 in order to be happy."

This was the plan. The plan held for several years. And then they bought the ranch house.

The thing about Tatarko's story that resists the standard founder mythology — the visionary who sees the future and sprints toward it — is its accidental quality. She wasn't looking for a startup. She wasn't bored with financial planning. She wasn't sitting in a garage nursing a world-changing idea. She was trying to renovate a house, failing at it, and complaining to her neighbors, who turned out to be failing at it too. The insight was ordinary. What made it extraordinary was what happened next: the speed with which other people's frustrations validated her own.

The initial Houzz community — if you can call twenty parents and a handful of Bay Area design professionals a community — grew in a way that nobody planned and nobody marketed. The professionals who joined early began recommending the site to their clients. The clients told their friends. Within six months, requests arrived from New York and Chicago, asking whether Houzz could open sections for their cities. The couple hadn't spent a dollar on advertising. The site was running on roughly $2,000 a month in operating costs.

"Before we knew it this little community website had 350,000 users," Tatarko told the BBC.

The growth pattern was almost absurdly organic. Professionals would tell colleagues in other states, who would tell their own clients, who would tell other homeowners. The site crossed state lines without any promotion whatsoever. Tatarko and Cohen discovered that people in markets they had never targeted were finding and using the platform on their own. It was the kind of growth that venture capitalists tell you to look for and founders dream about — pull, not push.

The mechanics of this virality were embedded in the product's structure. When a designer in San Francisco uploaded beautiful photos of a kitchen remodel, those images attracted homeowners from around the country who were planning their own kitchen projects. Those homeowners would then ask the designer questions, or look for similar professionals in their own city, or share the photos with friends who were also renovating. Each piece of content served multiple purposes simultaneously: portfolio for the professional, inspiration for the homeowner, social currency for the sharer. The network effects were layered and self-reinforcing.

A homeowner in Houston might never hire a designer in Portland, but the Portland designer's photos of a mid-century modern bathroom could inspire the Houston homeowner to search for a similar style — and find a local professional on Houzz who offered it. Content created anywhere had value everywhere, which meant the network grew globally even when individual transactions remained local. This was the insight that later Harvard Business School analyses would describe as Houzz's combination of "content, community, and commerce" — though the couple arrived at it not through strategic analysis but through observation of what their users actually did.

In 2010, a year after the side project launched, Tatarko and Cohen secured their first outside investment: $2 million from Oren Zeev, a Silicon Valley venture capitalist whose operating style was as unconventional as his track record was improbable.

Zeev — Israeli-born, INSEAD-educated, self-described "one-man VC" — managed more than $250 million in assets without an office, without an assistant, without a blog. He answered his own phone and got his own coffee. His investment philosophy was contrarian and independent: he avoided the partnership dynamics that characterize most venture firms, preferring to make decisions alone, with the speed of an angel investor and the capital of an institutional fund. His portfolio included Chegg and Audible — companies that, like Houzz, reimagined legacy industries through technology.

What Zeev told the Tatarko-Cohen team during those early conversations would become foundational to how they built the company. "He told them clearly that they are on the driving seat," as one account put it. "They are responsible for moving the company forward and he would be a passenger giving the assurance." The metaphor was deliberate: Zeev would ride along, offering guidance when asked, but the founders controlled the wheel, the route, the speed.

This was not the norm in Silicon Valley, where investors routinely demanded board seats, strategic control, and the right to reshape companies in their own image. Tatarko and Cohen kept their board extraordinarily lean: just four members — Adi, Alon, Oren Zeev, and Alfred Lin of Sequoia Capital — despite raising hundreds of millions of dollars across multiple rounds. The small board allowed them to make decisions about acquisitions and strategic direction quickly, without the committee dynamics that slow larger organizations. It was governance by trust rather than oversight.

With the $2 million in hand, both founders left their jobs. Cohen departed eBay. Tatarko left the investment firm. The side project became the main project.

The decision that would define Houzz's trajectory — and distinguish it from every competitor in the home improvement space — was the decision to not make money. Or rather: to deliberately defer making money for years, pouring every resource into building the platform's content base, user experience, and community before attempting to monetize any of it.

"It's always product first," Tatarko said. Money, she believed, would "automatically follow."

This was not the prevailing wisdom in 2010 or 2011 or 2012. Angie's List, which had launched fourteen years before Houzz, charged membership fees. HomeAdvisor and similar platforms exacted commissions on matchmaking from the start. The conventional playbook for two-sided marketplaces was to reach critical mass and then extract value from transactions as quickly as possible. Tatarko and Cohen did the opposite. They said no to ads. No to commissions. No to any revenue model that would compromise the user experience or slow the accumulation of content.

This wasn't naïveté. It was, in retrospect, a calculated wager that the home improvement industry's massive scale — Tatarko estimated the combined construction and home furnishings market at $2 trillion across the US, Canada, and Europe — meant that even a small fraction of value captured later would be enormous, provided the platform had established itself as the indispensable hub. Better to own the community than to tax it prematurely.

The Harvard Business School analysis of Houzz put it this way: "This lack of value capture by Houzz gave all the value to its users, lowered the 'cost-to-try,' and helped accelerate Houzz's user growth." By the time Houzz did begin monetizing — first through premium listings for professionals, then through a product marketplace that collected a 15% commission on sales — the platform had built such density of content and such loyalty among its users that competitors couldn't replicate the advantage. The moat was the community itself.

The marketplace function, which launched in the US in 2014, was part of the original vision — even the earliest iterations of the website had tags on products showing where they were sold. But the infrastructure to make it work — connecting with thousands of suppliers, building logistics for shipping bathtubs to Hawaii — took years. "We started getting phone calls to the office," Tatarko recalled, "saying, 'We see the tag, but we don't understand how to add it to the cart,' or 'Can you ship this bathtub to us in Hawaii?'" The demand preceded the capability. Houzz had to grow into what its users already wanted it to be.

There is a particular kind of founder wisdom that can only be acquired in ignorance. Tatarko has said, more than once, that she's glad she didn't know Houzz was a big business in the early days. The not-knowing was the advantage.

"In retrospect, we didn't realize what we were doing was bootstrapping," she told Entrepreneur, "but it enabled us to take our time and build the company from the ground up the right way."

The bootstrapping period — roughly 2009 to mid-2010, when the couple was running Houzz as a nights-and-weekends project while maintaining full-time jobs — forced a discipline that deliberate strategy might not have produced. With no employees, no office, and almost no operating costs, every decision had to be evaluated against the question: Does this make the product better for the people using it? There was no board to impress, no investor deck to update, no quarterly growth target to hit. There was only the product and the community's response to it.

This period also shaped the company's relationship to fundraising. When Tatarko eventually sought capital, she had something most founders don't: irrefutable evidence of product-market fit. Three hundred and fifty thousand users, acquired with zero marketing spend, generating organic growth across state lines and professional categories. The numbers didn't need a narrative. "Go invest the first six months and validate and see that this idea can really scale," she would later advise entrepreneurs. "People will really use it, you're really invested in it, and you really love it. And then you will not need to prove these things to investors."

The advice contained a theory of fundraising that inverted the standard Silicon Valley sequence. Most founders raise money to build a product to find users. Tatarko built a product, found users, and only then raised money — which meant the capital went toward scaling something that already worked rather than proving something that might. It was the difference between acceleration and exploration, and it made every subsequent dollar dramatically more efficient.

If the bootstrapping period was about product, the scaling period — from 2010 onward — was about people. And here Tatarko's approach bordered on compulsive.

"Concentrate 50% on the product and 50% on hiring the best people possible without any compromise," she told a group of founders at a breakfast meeting in London. The ratio was not metaphorical. For a long time, she and Cohen personally interviewed every candidate. "In fact 50% of our time was spent looking for them," she told the BBC. Up to 150 salespeople, Tatarko conducted every interview herself.

The logic was circular in the best sense: hire exceptional people early, and they will attract and hire subsequent exceptional people, creating a self-reinforcing quality gradient. But the logic also had a painful corollary that Tatarko learned the hard way. When you invest that much in the hiring process, you become emotionally attached to the people you've selected — which makes it agonizing to admit when someone isn't working out.

"In earlier stages, I really struggled to let go and move on," she told Entrepreneur, "but ultimately I learned that hanging on was more detrimental to everyone involved." The correction was simple to state and difficult to practice: hire thoughtfully, but part fast when you've made a mistake. The relief of finding the right person for a role, she said, was "tremendous" — but it could only arrive after the pain of acknowledging the wrong person had to leave.

The company's internal culture reflected this intensity. Employees were called "Houzzers" — a term that signaled belonging but also a certain self-selecting fervor. Tatarko wanted people who shared the founders' vision not as an abstraction but as a daily practice, people who would read every user email, respond to every complaint, spend nights fixing bugs to make the experience incrementally better. The company didn't hire PR in the early years. It didn't chase press coverage. It built, and it listened, and it built again.

Tatarko is one of 52 Israeli-born founders who have built billion-dollar companies in the United States, according to Stanford's Venture Capital Initiative research. The statistic is remarkable for what it implies about a country of nine million people producing, per capita, more unicorn founders than almost any other nation on earth. Israeli startups that relocated to the US were nine times more likely to achieve unicorn status than those that stayed home.

What the statistic doesn't capture is the specific texture of the immigrant founder's experience — the way dislocation sharpens perception, the way operating in a foreign language (even one you speak fluently) forces a heightened attention to communication, the way having once built a life from scratch in one country prepares you to build a company from scratch in another.

Tatarko's renovation frustration was, at its root, a language problem. She and Cohen didn't know the English words for the architectural features they wanted. They couldn't translate the images in their heads into the specialized vocabulary that professionals required. The gap wasn't just informational — it was cultural, the specific bewilderment of educated people who are experts in their own domains but illiterate in someone else's. When Tatarko told The Guardian that "we didn't have the right terminology," she was describing a universal homeowner experience, but she was also describing something that immigrants know in their bones: the sensation of competence rendered invisible by the wrong words.

This double perspective — insider enough to understand Silicon Valley's tools, outsider enough to feel the friction that natives had learned to ignore — gave Tatarko what you might call a compound eye. She saw the home improvement industry the way a user sees it, not the way a professional sees it, because she had been the confused user in a way that an industry veteran could never replicate. The frustration was authentic, not researched.

In 2019, the Carnegie Corporation of New York named Tatarko one of its "Great Immigrants" — a distinction that placed her alongside writers, surgeons, bishops, and refugee activists. The citation noted that Houzz, at $4 billion in valuation, was "the highest-valued business in the United States run by a female founder." It also noted the advice she considered the best she'd ever received: "Don't enter to exit."

The technology that cemented Houzz's competitive position arrived not at the beginning but in the middle of the company's story, when the platform was already dominant in content and community and was building out its commerce layer. In 2016, Houzz launched "View In My Room," an augmented reality feature that allowed users to place three-dimensional images of products from the Houzz marketplace into their actual living spaces using their phone's camera. You could see, before buying, whether that Danish rug would work with your California living room's light. Whether the armchair would fit beside the bookshelf. Whether the lamp was too tall for the end table.

The tool was not a gimmick. According to Houzz's own research of two million users, shoppers who used View In My Room 3D were eleven times more likely to make a purchase. Fast Company named Houzz to its 2018 list of the World's Top 10 Most Innovative Companies for AR and VR, and the tool surpassed one million users within its first seven months.

The AR feature was a natural extension of the problem Tatarko had identified from the beginning. The homeowner's frustration was never just about finding products or professionals — it was about visualization, about closing the gap between imagination and reality. Coffered ceilings. A kitchen island in Carrara marble. A bathroom with hexagonal floor tile. You know what you want when you see it, and you cannot see it when it doesn't exist yet. Houzz's earliest contribution was making other people's completed projects visible as inspiration. The AR tool went further: it made your own future project visible, in your own space, before a single hammer was swung.

Tatarko herself used the platform to buy a rug she found on Houzz Denmark. "I placed it in my room using the visualisation feature, saw that it worked and got it shipped to my house in California," she told The Independent — a sentence that sounds banal until you consider that it represents a transaction that would have been inconceivable a decade earlier, a Danish textile purchased by an Israeli-American in California based on an augmented reality preview in her Palo Alto living room. The global, the local, and the personal, collapsed into a single click.

The phrase became something like a company koan. Someone told Tatarko and Cohen in the early days — she has never publicly identified who — and it lodged in her consciousness as the distilled wisdom of everything she believed about building a company.

"Don't enter to exit." Five words. The state of mind, Tatarko explained, had to be: I want to do it. It will be fun in the long term. If you're building something just to sell it, the whole enterprise is corrupted from the start — not morally, necessarily, but structurally. An exit-oriented founder optimizes for different metrics than a founder who is building for permanence. The exit-oriented founder values growth over depth, speed over sustainability, the appearance of traction over the reality of product quality. The permanence-oriented founder can afford to delay monetization for years, because the timeline extends beyond any particular funding round or acquisition window.

This philosophy manifested in decisions that made Houzz unusual among Silicon Valley unicorns. The company didn't follow the "blitzscale at all costs" playbook. No reckless pivots. No cash burn engineered to inflate user numbers for the next funding round. No PR campaigns designed to generate acquisition interest. Tatarko grew intentionally, focusing on tools professionals actually needed, letting product quality fuel growth rather than marketing spend.

The approach had its costs. Houzz was never the flashiest name in tech. While other startups generated breathless press coverage and astronomical growth numbers, Houzz — as one TechCrunch writer noted — "eschewed the limelight to keep their heads down building their business." The company raised over $600 million in total funding, reached a reported $4 billion valuation after a $400 million round in 2017, and built localized platforms in fifteen countries. But it did so without the noise that typically accompanies that kind of scale.

The company's evolution also included an unusual leadership transition. For years, Tatarko served as CEO and Cohen as president and chairman. Then, in a move that Tatarko described with characteristic understatement at a 2025 conference, she suggested they swap: Cohen would become CEO, and she would become executive chair. "Just like in family life, in business, it's important to have the right partner," she said. "And I wouldn't choose anyone else to be by my side." The role exchange was not a departure but a recalibration — a married couple adjusting the division of labor the way married couples do, except the household in question had 2,000 employees and operations in eleven offices worldwide.

There is a detail in the Architectural Digest profile of the Tatarko-Cohen partnership that carries more weight than its placement suggests. It comes at the end of the piece, almost as a throwaway. After describing the rapid rise of Houzz — the millions of users, the hundreds of thousands of professionals, the international expansion — the writer notes that the couple's original Palo Alto ranch house, the one that started everything, was still not finished.

"We're not done with our house yet," Tatarko said, adding that she and Cohen still used the site for their own projects. "It's an ongoing process."

The line reads as a charming aside — the cobbler's children going barefoot, the renovation experts who can't finish their own renovation. But it also reads as something more honest and more revealing. The house, like the company, like any worthwhile human project, is never done. The frustration that started Houzz didn't resolve when the platform launched, or when it hit 40 million users, or when the valuation crossed $4 billion. The frustration was not a problem to be solved once and discarded. It was a condition to be managed, channel by channel, room by room, one improvement at a time, in the spaces where people actually live.

On the Houzz professional software platform today, contractors report revenue increases from $2 million to $7 million. The site serves over 65 million users worldwide. The community includes three million professionals. And somewhere in Palo Alto, in a ranch house built in 1955, there is probably still a room that needs work — a room whose future shape exists right now only as a saved photo in an ideabook, waiting for the right moment, the right professional, the right word to describe the thing its owners see in their heads but haven't yet learned to name.