30/11/2025
She asked one simple question in 2013: "Where are the numbers?" Tech companies had hidden their diversity data for years. Her blog post changed that forever.
Tracy Chou sat in the audience at the Grace Hopper Celebration of Women in Computing in October 2013.
She was a software engineer at Pinterest. Stanford-trained. Brilliant. One of the few women in every room she entered.
On stage, Sheryl Sandberg—Facebook's COO—was talking about how the number of women in tech was dropping.
Tracy didn't doubt it was true.
But she had a question: How does anyone actually know?
There were no numbers. No data. No transparency.
The tech industry—obsessed with metrics, data-driven decisions, and quantifying everything from user engagement to code efficiency—somehow refused to measure the one thing that mattered most: who was actually in the room.
Tracy Chou decided to find out.
She started with her own company. At Pinterest in 2013, where the vast majority of users were women, only 11 out of 89 engineers were women. That's 12 percent.
She looked around Silicon Valley. The numbers were equally dismal—or worse. But most companies wouldn't even admit it publicly.
So Tracy wrote a blog post on Medium titled "Where are the numbers?"
It was simple. Direct. Powerful.
She called on tech companies to publicly share how many women they had in technical roles. Not vague statements about "commitment to diversity." Not press releases about "initiatives." Actual numbers.
"We need to talk about the problem honestly," she wrote. "And it starts with knowing what we're working with."
She set up a GitHub repository—a code-sharing platform engineers use daily—where anyone could submit data about their company's gender breakdown.
Then she hit publish.
Within a week, the repository had statistics on over 50 companies.
Within months, it had hundreds.
Employees from Google, Facebook, Microsoft, and dozens of startups anonymously submitted their company's numbers. For the first time, the industry's open secret became visible data.
The numbers were devastating.
Company after company reported having fewer than 15 percent women engineers. Some reported zero.
Twitter. LinkedIn. Dropbox. The companies building the future had almost no women building it.
But here's what changed everything: Tracy didn't just complain. She made it measurable.
She turned an uncomfortable truth into undeniable evidence.
By summer 2014, under mounting public pressure sparked by Tracy's transparency campaign, Google released its first-ever diversity report. Facebook followed. Then Microsoft. Apple. LinkedIn.
One by one, Silicon Valley's giants were forced to publish what they'd hidden for years.
The tech press called it a watershed moment. Inside the industry, it was a reckoning.
Tracy Chou—a 26-year-old engineer who just wanted answers—had done what years of advocacy couldn't: she'd made silence impossible.
But the backlash was brutal.
Male engineers accused her of "lowering the bar." They claimed diversity efforts would sacrifice quality. They told her she only got where she was because she was a woman, not because she was talented.
Never mind that Tracy had graduated in the top 5 percent of her Stanford class. Never mind her internships at Google and Facebook. Never mind that she'd been one of the earliest engineers at both Quora and Pinterest, building products used by millions.
The attacks were personal. Vicious. Relentless.
Tracy kept going.
She knew something the critics didn't: the problem wasn't just numbers. It was culture.
Growing up in Silicon Valley with two parents who were software engineers, Tracy should have been perfectly positioned to succeed in tech. She loved coding. She was brilliant at it.
But from her very first internships at Google and Facebook, something felt wrong.
Male coworkers offered unsolicited massages "because she looked stressed." Others tried to get her alone in locked rooms. She was talked over in meetings. Her ideas were ignored until a man repeated them.
"I seriously questioned whether I belonged in the tech industry," she later wrote. "Not because I didn't enjoy the work—I loved it—but because I didn't feel like the environment was one where I could be happy and successful."
She remembered crying herself to sleep. Escaping to the gym locker room during work hours just to cry in peace. Then berating herself for being upset instead of focusing on her code.
"I thought the problem was me," she said.
It wasn't.
And Tracy realized something crucial: if she—with every advantage, every credential, every "right" background—felt this way, how many other women were silently leaving tech?
The data confirmed it. Women weren't just underrepresented. They were leaving at dramatically higher rates than men. Not to start families. To go somewhere they felt valued.
In 2016, Tracy co-founded Project Include with seven other women, including former Reddit CEO Ellen Pao.
The mission was simple but revolutionary: help tech startups build diversity and inclusion into their DNA from day one, not as an afterthought.
"We wanted to stop just talking about problems," Tracy said. "We wanted to actively push for change."
Project Include created concrete recommendations for companies. Not vague aspirations. Specific, measurable actions. Data-driven solutions to a data-hidden problem.
In 2018, Tracy co-founded another nonprofit, , targeting venture capital firms—the gatekeepers who decide which startups get funded. The organization pushed VCs to establish and publish anti-harassment policies.
Because Tracy understood something fundamental: you can't fix what you won't measure, and you can't improve what you won't acknowledge.
In 2018, Tracy left Pinterest to start her own company: Block Party.
The mission was personal. As a woman with a public profile advocating for change, Tracy had become a target for online harassment. Trolls. Abuse. Threats.
Block Party builds tools to help people control what they see online—to filter harassment before it reaches them.
"Technology products are built by humans who build their biases right into those products," Tracy explained. "Which in turn shapes human behavior and society, sometimes to a frightening degree."
She wanted to build something different. A company run by a woman, with a diverse team, that prioritized user well-being over growth at any cost.
An existence proof that another way was possible.
Tracy's work has been featured on the covers of The Atlantic, WIRED, and MIT Technology Review. She's been named to Forbes' 30 Under 30, MIT Technology Review's 35 Innovators Under 35, and Time's 12 Women of the Year.
But perhaps her greatest achievement isn't the awards or recognition.
It's this: today, when a tech company announces its workforce numbers, that's normal. Expected. Required, even.
A decade ago, it was unthinkable.
That shift happened because one engineer asked a simple question and refused to accept silence as an answer.
Tracy Chou proved that the most radical act in an industry built on disruption isn't building a new app or launching a new platform.
It's forcing accountability.
Making bias visible.
Turning whispers into data and data into action.
She didn't wait for permission. She didn't wait for someone else to fix it. She built the tools, gathered the evidence, and changed the conversation.
Line by line. Spreadsheet by spreadsheet. Company by company.
Today, every woman in tech who sees her company's diversity report, who works at a startup with inclusion policies from day one, who speaks up about harassment and finds support instead of retaliation—they're all standing on Tracy Chou's code.
She was a quiet force in a loud industry.
And she proved that sometimes the most revolutionary thing you can do is simply ask: "Where are the numbers?"
Then refuse to stop asking until someone answers.
She didn't raise her voice. She raised the standard.
And Silicon Valley had no choice but to meet it.
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