BREAKING
Brett Browman joins Khosla Ventures as Growth Operating Partner ◆ First growth hire at Square. First growth hire at Opendoor. Now helping build the next frontier of tech. ◆ 7 years at Andreessen Horowitz advising ElevenLabs, Character.ai, Luma.ai ◆ 7 continents, 1 snowboard, 0 excuses ◆ The VC operator who gets in the trenches so founders don't have to go it alone ◆ Brett Browman joins Khosla Ventures as Growth Operating Partner ◆ First growth hire at Square. First growth hire at Opendoor. Now helping build the next frontier of tech. ◆ 7 years at Andreessen Horowitz advising ElevenLabs, Character.ai, Luma.ai ◆ 7 continents, 1 snowboard, 0 excuses ◆ The VC operator who gets in the trenches so founders don't have to go it alone ◆
Brett Browman - Growth Operating Partner at Khosla Ventures

Growth Operating Partner  /  Khosla Ventures

Brett Browman

THE MAN WHO BUILT SQUARE'S GROWTH ENGINE,
THEN OPENDOOR'S, THEN a16z's. NOW KHOSLA'S.

The ER doctor of startup growth - arriving when things are critical, diagnosing fast, and building systems that last long after he leaves the room.

Khosla Ventures ex-a16z ex-Square ex-Opendoor 7 Continents
7 Years at a16z
2 Unicorn Orgs He Joined First
7 Continents Snowboarded
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2 Times "First Growth Hire"
7 Years Building a16z's Growth Machine
20+ Portfolio Companies Advised
7 Continents on a Snowboard

Profile

The Growth Diagnostician

The job listing doesn't exist yet. Neither does the playbook. Brett Browman has built both - twice - at two of Silicon Valley's most closely watched companies, and the pattern of showing up first, building from scratch, and making himself obsolete is the through line of a career that now sits at the center of Khosla Ventures' portfolio strategy.

Square had a hardware product, a big vision, and no clear customer. Browman walked in and named the customers nobody was naming: taxi drivers, florists, dog walkers, trunk show salesmen. Not "small businesses." Not "SMEs." People with names and specific problems and no way to take a credit card. That specificity wasn't marketing; it was strategy. And it worked.

Opendoor came next. Same pattern - first growth hire, blank slate, everything to build. The real estate disruptor that would go on to reshape how Americans buy and sell homes needed someone who understood both the mechanics of acquisition and the psychology of a massive financial decision. Browman built the engine.

Then Andreessen Horowitz called, and Browman spent seven years as an Operating Partner building the firm's Growth Marketing function - not for a16z, but for the companies in its portfolio. ElevenLabs before it was a household name. Character.ai when it was still figuring out who its user was. Luma.ai, Poe, Udio, Hebbia. The companies most people would later celebrate as overnight successes had Browman quietly working on the levers that nobody photographs.

In 2024, Khosla Ventures brought him on as Growth Operating Partner. Different fund, same mission: get into the trenches with companies that have something genuinely new and help them find the people who need it most.

Quick Facts

  • Growth Operating Partner, Khosla Ventures (2024-present)
  • Operating Partner, a16z (7 years)
  • First growth hire at Square
  • First growth hire at Opendoor
  • BS Finance + Economics minor, USC
  • Studied at National University of Singapore

The Fun Side

  • Snowboarded on all 7 continents
  • Won a Lego-building championship
  • Believes great leaders let others shine
  • Treats startup problems like triage, not strategy decks

a16z Portfolio He Advised

  • ElevenLabs
  • Character.ai
  • Luma.ai
  • Poe
  • Udio
  • Hebbia
  • SpotOn
  • Headway
"I get in the trenches like almost a fractional growth leader, actually driving outcomes."
- Brett Browman

Career Arc

Building Growth Functions Nobody Had Built Before

Career Trajectory

Investment Banking
Tech Coverage
→
Kabam
User Acquisition
→
Square
First Growth Hire
→
Opendoor
First Growth Hire
→
a16z
Operating Partner, 7yr
→
Khosla Ventures
Growth Operating Partner

There's a pattern to how Browman moves through careers, and it's not the conventional kind. He doesn't arrive at mature organizations to optimize mature systems. He arrives at inflection points - companies that have something real but no idea how to tell enough people about it. He builds the function, hires the people, and then moves on. Repeatable, not because the companies are similar, but because the skill is portable.

At Kabam, the social gaming startup, he led user acquisition during an era when mobile gaming was still figuring out its customer acquisition math. The experience gave him a rigorous quantitative foundation - CAC, LTV, payback period - that would underpin everything that followed. But it was at Square that the playbook crystallized.

Square had the hardware (the little white card reader), the vision (payments for everyone), and the question: who exactly is everyone? Browman's answer was granular in a way that product people rarely think. The customer wasn't "small business owners" - that phrase tells you nothing. It was the specific person in the specific context: the florist who takes orders over the phone and loses the check, the taxi driver who watches fares walk away when they see the card reader is broken, the dog walker who works out of her phone. Name them. Find them. Speak to them.

"Understanding your ICP with specificity matters - taxi drivers, florists, dog walkers, trunk show salesmen."
- Brett Browman, on Square's early growth strategy

The same lens applied at Opendoor, where the product was even more emotionally freighted. Selling your house is one of the most stressful financial transactions most Americans will ever make. Opendoor was promising to make it simple. Browman's job was to find the subset of people for whom "simple" was worth the trade-offs - and then build the channel and message to reach them efficiently.

At a16z, the mandate scaled from one company to a portfolio. Seven years of advising companies across every stage of growth, from pre-product-market-fit to Series D. The work was less about execution and more about diagnosis - what is this company's actual growth problem, and what needs to happen first. That diagnostic muscle, applied across hundreds of conversations with founders and growth leads, became the intellectual core of what Browman brings to Khosla.

What He Actually Does

  • Go-to-market strategy for portfolio cos
  • Paid + organic acquisition architecture
  • Lifecycle marketing systems
  • Marketing technology stack
  • Team building + first growth hires
  • ICP definition and channel strategy

His Approach

  • ER doctor triage, not boardroom advice
  • Fractional growth leader in the trenches
  • No task is too menial at the start
  • Specific ICPs, not broad categories
  • Elevate the team, don't replace them

Timeline

A Sequence of Firsts

Early Career

Starts in investment banking with technology sector coverage - learns to read businesses before learning to build them.

Kabam Era

Leads user acquisition at Kabam during the mobile gaming explosion. Quantitative foundation built here: CAC, LTV, payback period, channel math.

Square

Joins as first growth hire. Builds the entire growth marketing function from scratch. Defines Square's ICP with remarkable specificity - taxi drivers, florists, dog walkers.

Opendoor

First growth hire again. Builds the growth engine at the real estate disruptor during its critical early expansion. Company goes on to transform the US housing market.

Ethos + Bungalow

Marketing leadership roles at two high-growth startups - broadens operational experience across insurance-tech and proptech.

Andreessen Horowitz

Joins as Operating Partner. Spends seven years building the Growth Marketing advisory function. Advises ElevenLabs, Character.ai, Luma.ai, Poe, Udio, Hebbia, SpotOn, Headway, and more.

2024 - Khosla Ventures

Joins Khosla Ventures as Growth Operating Partner. New fund, new portfolio, same mission: help frontier technology companies find their growth engines and scale.

Education

  • BS Finance, Minor in Economics - University of Southern California
  • Exchange Studies - National University of Singapore

Khosla Ventures Focus Areas

  • AI and deep tech startups
  • Healthcare technology
  • Climate and clean energy
  • Consumer and enterprise software
  • Space technology
  • Frontier and emerging technologies

Philosophy

The Operator Who Refuses the Boardroom

Most venture capital operating partners give advice. They've been there, they've seen the pattern, they sit in the room and tell the founder what they'd do differently. It's useful. It's also detached. Brett Browman does something different: he actually does it.

The "ER doctor" framing isn't just a metaphor Browman uses to explain himself - it's a description of what the role demands. When a portfolio company has a growth problem, the issue is usually acute. There's a runway. There's a board. There's a hire that didn't work out or a channel that stopped performing or a product that landed in the wrong market. You need diagnosis fast and implementation faster. You don't have time for the generalist perspective.

Browman walks in as a practitioner. He's run paid acquisition. He's managed lifecycle email programs. He's built growth teams from zero. When he sits down with a company, he's not consulting from the outside - he's operating from the inside, at least temporarily. "I'm above no task," he's said, and the work history backs it up.

"I'm above no task, meaning the most menial of tasks, especially to start, I will absolutely do that."
Brett Browman
"Great leaders help elevate the people they lead and let their talents shine through."
Brett Browman
"Understanding your ICP with specific examples matters - at Square: taxi drivers, florists, dog walkers, trunk show salesmen."
Brett Browman, Inspired Insider Podcast

What separates the good growth operators from the great ones is the willingness to be wrong on the way to being right. The ICP isn't discovered through market research decks - it's found through a hundred failed ads and one that suddenly scales, through a conversation with a customer who describes their problem differently than you expected, through watching which messages generate the kind of engagement that compounds. Browman has run that loop enough times to know what the pattern looks like at each stage.

The leadership philosophy that emerges from this is unusually humble for someone with his track record. The goal isn't to be the smartest person in the room - it's to make the room collectively smarter. Build the function, hire the people who are better than you at specific parts of it, and create the conditions for their success. Then move on.

Companies Shaped

The Places He's Built

Square First Growth Hire
Opendoor First Growth Hire
ElevenLabs a16z Advisee
Character.ai a16z Advisee
Luma.ai a16z Advisee
Poe a16z Advisee
Udio a16z Advisee
Hebbia a16z Advisee
SpotOn a16z Advisee
Kabam Growth Lead
Ethos Marketing Leadership
Bungalow Marketing Leadership

Beyond the Resume

Seven Continents and a Lego Trophy

The snowboarding story isn't decoration. Antarctica is not a casual detour for someone with a full-time operating partner role at one of the world's most active venture funds. It requires planning, patience, and a particular tolerance for difficulty in service of something that matters to you. Those qualities don't stay in the mountains.

The Lego championship is funnier but also telling. Building with constraints - a fixed set of pieces, a fixed amount of time, a clear success criterion - is a precise description of what growth operators do. You don't get to redesign the product. You work with what's there and find what fits.

Browman went to USC for finance and spent time at the National University of Singapore - an early sign of someone who doesn't assume the best version of any experience is the most obvious one. Investment banking was the training ground, not the destination. The destination was always the companies nobody had heard of yet, building the functions that would eventually get them heard.

At Khosla, that now means working with companies doing things like AI safety research, nuclear fusion, space logistics, and biotech. The ICP exercises that worked for Square's taxi drivers don't translate directly - but the muscle memory of finding the specific person in the specific context who needs the specific thing does. That's the portable skill. That's what Browman brings.

🏔️

Snowboarder, All 7 Continents

Antarctica included. A pursuit that requires the same qualities as building growth from scratch - planning, persistence, and comfort with uncomfortable conditions.

🧱

Lego Building Champion

There's something clarifying about the insight that the man who built Square's growth engine is also the man who won a Lego championship. Both require building under constraints.

On the Record

Podcasts and Conversations

Achievements

What He's Built

📈

Square's Growth Foundation

As first growth hire, built the marketing function that helped Square scale from scrappy startup to payments giant used by millions of small businesses.

🏠

Opendoor's Acquisition Engine

Built the growth systems at the company that fundamentally changed how Americans buy and sell homes - arriving first and leaving behind a scalable machine.

🚀

a16z Growth Function

Spent seven years creating and running the Growth Marketing advisory practice at Andreessen Horowitz, advising 20+ portfolio companies on go-to-market.

🤖

AI-Native Company Growth

Advised companies including ElevenLabs, Character.ai, and Luma.ai before they became mainstream - navigating the unique growth challenges of AI-first products.

🌍

All Seven Continents

Snowboarded on every continent, including Antarctica. A personal achievement that requires the same relentless planning as standing up a growth function from zero.

🧩

Lego Champion

Won a Lego-building championship. Proof that the instinct to build systematically with whatever pieces are available runs pretty deep.

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