Breaking Elizabeth Yin bets on founders before the world catches up Angel Squad: 10,000+ applications, 50+ countries, 1 purple hippo Hustle Fund's pre-seed thesis: Speed of execution beats pedigree Three unicorns: Gamma, Webflow, Boom Supersonic @dunkhippo33 sources 50%+ of pitch applications through Twitter alone 48 hours from first call to term sheet - that's the Hustle Fund clock From Batch 2 founder to running the program: the full circle story NerdWallet IPO, NASDAQ, $595M market cap - backed from pre-seed Elizabeth Yin bets on founders before the world catches up Angel Squad: 10,000+ applications, 50+ countries, 1 purple hippo Hustle Fund's pre-seed thesis: Speed of execution beats pedigree Three unicorns: Gamma, Webflow, Boom Supersonic @dunkhippo33 sources 50%+ of pitch applications through Twitter alone 48 hours from first call to term sheet - that's the Hustle Fund clock From Batch 2 founder to running the program: the full circle story NerdWallet IPO, NASDAQ, $595M market cap - backed from pre-seed
Elizabeth Yin, Co-Founder and General Partner at Hustle Fund
Venture Capital · Pre-Seed · San Francisco

Elizabeth
Yin

Co-Founder & GP, Hustle Fund — The VC who says yes before everyone else looks

She backed a mushroom death-suit company, decided in 48 hours, and turned three of her bets into unicorns. Her Twitter handle is @dunkhippo33. Her fund is changing who gets to be an angel investor. The purple hippo is the mascot.

375+
Portfolio Companies
3
Unicorns
48h
Decision Window
10K+
Angel Squad Apps
$30M+
Fund II Raised
29+
Portfolio Exits
20K+
Pitches Reviewed
50+
Countries Reached

The Investor Who Decides Before You've Finished Your Pitch

Elizabeth Yin's Twitter handle is @dunkhippo33. She chose it because she collects stuffed hippos - each one named, each one with its own backstory. The official mascot of Hustle Fund, the venture firm she co-founded in 2017, is a purple hippo. This is not incidental. It tells you something: she built a VC firm where the aesthetic is warm, the decisions are fast, and the conventional wisdom gets questioned before it gets followed.

Hustle Fund writes checks as small as $5,000 and as large as $250,000. It decides within 48 hours of a first call. It has reviewed more than 1,000 companies a month. Since 2017, it has backed 375+ startups - three of which became unicorns - and watched 29+ get acquired. In the spring of 2021, portfolio company NerdWallet rang the bell on NASDAQ.

None of this happened because Elizabeth Yin inherited a rolodex or fell into a partner seat at an established firm. It happened because she spent three years selling email ad inventory for a startup she co-founded - grinding through customer acquisition on a spreadsheet - and then went to run 500 Startups' Mountain View accelerator, where she reviewed 20,000 pitch decks and noticed a pattern. The best-looking founders got funded. Everyone else, regardless of execution quality, got polite rejections.

So she built a different machine.

The thesis at Hustle Fund is deliberate and contrarian: speed of execution beats pedigree. She is not investing in credentials. She is investing in founders who move fast, test quickly, and refuse to over-burn. Her standard question is not "where did you go to school?" It is closer to: "What did you learn from your last customer conversation, and what did you change because of it?"

Elizabeth herself is a living demonstration of this thesis. She was rejected from MIT Sloan on her first application. She moved to Tokyo, worked, and reapplied. She got in. She went through 500 Startups as a Batch 2 founder with her company LaunchBit. LaunchBit got acquired by BuySellAds in September 2014. She then joined 500 Startups as the partner running the very program that had once backed her. Four batches later, she left to start Hustle Fund.

The fund launched in August 2017. Her younger child was born a few weeks before it did. Minimal maternity leave, again - her older child had arrived while she was running LaunchBit. Both deliveries were a month early. Both times, she was back to work fast. Both times, investors and observers who asked how she'd "balance" children and ambition were getting the question exactly backward: Elizabeth is the person doing the work, not the person explaining why she can't.

When she raised Fund I - $11.5 million, closed September 2018 - she did it through personal investor dinners and direct networking, learning along the way that "your richest contacts are not necessarily your biggest checks." Fund II crossed $30 million. The pattern of unconventional insight leading to real-world results kept repeating.

"Money is becoming commoditized. The best founders can raise money from anyone these days. If you don't provide more value to founders than cash, then you'll go extinct."

Elizabeth Yin

The 48-Hour Thesis

Elizabeth Yin holds a view that sounds simple until you sit with it: she thinks the idea matters more than the founder. Not the pedigree. Not the Stanford connection. Not the impressive previous exit. The idea - and whether the person pitching it understands what they're building and who they're building it for.

She filters for speed. To her, hustle means "speed of execution - and what's baked into that is tenacity and resourcefulness." A founder who can run ten customer experiments in a week is more interesting than one with an impeccable resume who is still waiting for product-market fit.

On valuations, she's methodically contrarian: a $5,000 check in Uber at pre-seed, despite minuscule ownership, would have returned life-changing money. She focuses on multiples, not ownership percentages. The surfing analogy she uses: she wants to find the wave before it gets crowded.

What She Looks For
  • 01Speed of execution over any single metric
  • 02Clear understanding of who they're serving
  • 03Experiments in customer acquisition
  • 04Resourcefulness, not fundraising polish
  • 05Overlooked markets with real demand
Red Flags
  • Excessive burn rate
  • No customer acquisition strategy
  • Dishonesty about traction
📋
TypeForm In
Founders submit via a structured form. No cold email noise. Signal from the start.
Automated Triage
Zapier routes to Airtable/Pipedrive. Rule-based scoring. No human bottleneck.
📞
First Call
30-60 min. Focused on idea clarity, customer understanding, execution speed.
🕐
48-Hour Decision
Yes or no within two days. Founders don't wait in limbo. Neither do passes.

Angel Squad:
Rewriting Who Gets to Invest

In 2022, Elizabeth and Hustle Fund launched Angel Squad - a community where vetted angel investors can write checks as small as $1,000 alongside the fund. The barriers it was built to remove: check size minimums, exclusive deal flow networks, and the assumption that angels only live on Sand Hill Road. By April 2025, it had received 10,000+ applications from 50+ countries - engineers in Bangalore, teachers in Buenos Aires, entrepreneurs in Lagos, a Turkish chef, an Australian commercial pilot. The new goal: 100,000 angel investors globally.

10,000+
Applications Received
50+
Countries Represented
$1K
Minimum Check Size
100K
Target Angel Investors

375+ Bets. A Few That Changed Things.

Unicorn 2025
Gamma
AI-powered presentation platform. Hustle Fund invested 4 years before the unicorn milestone.
Unicorn
Webflow
Visual web development platform that redefined how non-engineers build on the web.
Unicorn
Boom Supersonic
Reviving supersonic commercial flight - the kind of moonshot that requires early believers.
NASDAQ IPO 2021
NerdWallet
Personal finance platform. IPO'd at a $595M market cap. Co-founder Shiyan Koh was a NerdWallet veteran.
Active
Mercury
Banking built for startups. One of the most widely-used financial products in the startup ecosystem.
Acquired Jan 2026
Meowtel
Cat-sitting marketplace acquired by Rover - the pet services giant.

LaunchBit, 500 Startups, and the Gap No One Was Filling

Elizabeth's path to venture was not a straight line. In 9th grade, her best friend Jennifer introduced her to Jennifer's cousin - a man launching a startup in San Francisco who later sold it to Microsoft for hundreds of millions of dollars. That encounter was the spark. Elizabeth started a web design company with Jennifer in high school. She enrolled at Stanford for Electrical Engineering and, upon graduating, tried her hand at affiliate websites for wedding dresses and nutraceuticals. Two years of grinding customer acquisition mechanics. It didn't work, but it was, she later reflected, an education she couldn't have bought.

After a stint at Google in developer-facing marketing and an MBA at MIT Sloan (where she co-founded the Media-Tech Society), she and Jennifer co-founded LaunchBit - an email ad network connecting marketers to professional audiences. The company went through 500 Startups Batch 2, raised just under $1 million, and in September 2014 was acquired by BuySellAds. LaunchBit's founder Todd Garland noted that it solved "a medium that's pretty tricky to monetize" - email.

After the acquisition, Elizabeth joined 500 Startups as a Partner running their Mountain View accelerator. Four batches. Hundreds of founders coached. And a front-row seat to what she called the structural problem: VCs doing office hours with her cohorts consistently favored founders who looked a certain way - previous revenue, right pedigrees, right geography. The overlooked founders - even the fast-moving, scrappy ones - kept getting passed over.

In August 2017, Elizabeth, Eric Bahn, and Shiyan Koh - three people who had known each other since the Stanford dorms, more than 20 years earlier - launched Hustle Fund to fix it. The co-founder trust was two decades in the making. Weeks later, Elizabeth's younger child was born. She had minimal maternity leave. The fund was still launched on time.

What She Actually Thinks

"I really like hustle. To me hustle is speed of execution - and what's baked into that is tenacity and resourcefulness."

On what she invests in

"I actually think the idea matters more than the founder."

Contrarian investment view

"The #1 problem that startups have is actually capital. A lot of startups are over mentored and over advised."

On why she started Hustle Fund

"Angel investors play a crucial role in nurturing startup ecosystems - much more than VCs."

On the Angel Squad mission

"Great investment potential isn't confined to Sand Hill Road."

On global angel investing

"We have always looked at Hustle Fund as a company rather than a VC fund, because we're trying to solve a problem."

On fund-as-startup philosophy

From Batch 2 Founder to Running the Program

2000 - 2004
B.S. Electrical Engineering, Stanford University. Co-founded a web design company in high school.
2007 - 2008
Marketing Manager at Google, developer products. Social API marketing.
2011 - 2014
CEO & Co-Founder, LaunchBit. Email ad network. 500 Startups Batch 2. Raised ~$1M seed.
2014 (September)
LaunchBit acquired by BuySellAds. First exit.
2014 - 2017
Partner at 500 Startups. Ran Mountain View accelerator through 4 batches. Reviewed 20,000+ pitches.
2017 (August)
Co-founded Hustle Fund with Eric Bahn and Shiyan Koh. Younger child born weeks later.
2018 (September)
Hustle Fund closes Fund I at $11.5M. TechCrunch coverage. $11.5M raised through personal networking and investor dinners.
2021
NerdWallet IPO on NASDAQ. $595M market cap. Fund II closes at $30M+. Angel Squad launches.
2024
Angel Squad crosses 2,000 members in 40 countries. Published radical transparency data on investment decision-making.
2025
Gamma becomes a unicorn - 4 years post-investment. Angel Squad hits 10,000 applications. Haley Bryant promoted to first non-co-founder Partner.
2026
Meowtel acquired by Rover (Jan). ORDA exit (Mar). Headlined Venture Underground, San Francisco (Feb).

Hippos, Bejeweled, and a Six-Year-Old Who Does His Own Laundry

🦛
@dunkhippo33 is her Twitter handle because she has collected stuffed hippos since childhood. Each one has a name and its own personality. Hustle Fund's mascot is a purple hippo. The e-book ends with: "No hippos were hurt in the making of this book."
🎮
She played Bejeweled during labor - twice. Both children were born a month early. When asked how she stayed calm, she said: "If I had to pick out a weird skill, I'm actually pretty good at Bejeweled."
50%
More than half of all pitch applications to Hustle Fund originate from Elizabeth's Twitter activity. She built the entire inbound pipeline through content - famous tweetstorms on fundraising, unit economics, and customer acquisition.
3 yrs
Her six-year-old has been doing his own laundry since age three. She applied startup scaling logic to parenting: coach, don't hover. Her kids make their own breakfast and pack their own school bags.
MIT
She was rejected from MIT Sloan on her first application. She moved to Tokyo, worked for a period, reapplied, got in, and co-founded the Media-Tech Society there. The miss became the arc.
💀
One of her favorite investments: Coeio - a company making burial suits from mushrooms. Backed while at 500 Startups. The willingness to fund the unconventional was there before Hustle Fund existed.

Democratizing Knowledge

Elizabeth's famous tweetstorms - on fundraising, unit economics, customer acquisition, running a VC firm, and everything in between - compiled into a book co-authored with Hung Pham. Available as a free PDF, or paperback and Kindle on Amazon.

The book is subtitled: "How to Build a Startup, Raise Money, Run a VC Firm, and Everything in Between - Tweetbook Volume 1." The final note: "No hippos were hurt in the making of this book."

Get the Free PDF →
Democratizing
Knowledge
Tweetbook Volume 1
"No hippos were hurt in the making of this book."