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Newsletter Archive
The most honest lessons about the path to product-market fit
Featuring founders from Gusto, Mercury, Meter and more
Notion put an engineer in sales to build better AI tools
Actually doing the work revealed the right problem to solve
The merger playbook: A founder’s firsthand story of the deal that beat the odds
And how it changed the trajectory of both companies
Listen: How this two-time billion-dollar founder wins in the enterprise
GTM lessons from Jyoti Bansal
The process I've used to name dozens of companies
A note from the essay's author
The other PMF: how personality-message fit helps founders communicate better
The 30-second prep habit, learning to read a room, and more
How a high school dropout built one of the world’s most-used developer tools
From bootstrapping to a $3B company
When founders should quit as head of product — and hire the first PM
4 heuristics for deciding when it’s time
The trap of weak product-market fit — lessons from Mercury’s founder
Inside the fintech unicorn’s path to product-market fit
The compensation rules to follow (and break), according to experts
Compensation leaders from Clay, Google and Instacart share the rules early-stage founders can break — and the few they should actually follow.
How to avoid a co-founder breakup before Series B
Rituals to strengthen the most important relationship in your startup
Inside Warp’s coding by prompt mandate (and how the CEO follows it too)
Every coding task starts with a prompt — even the CEO’s
Founders, you’re missing this key step on the path to product-market fit
A research toolkit for the discovery phase
How Brex is building an AI-first operations org
Changing roles, workflows and skills around AI
Why Sierra built a design partnership program on “hard mode”
Sierra’s first GTM hire, breaks down every step of their playbook.
Idea validation tactics they won’t teach you in business school
How founders from Linear, Mercury and other startups found conviction before the build
What your startup does (and doesn’t) need to come out of stealth
A launch plan from Figma’s first marketer
Scale smarter, not bigger: Inside Linktree’s internal AI adoption playbook
How Linktree kept headcount steady at 190 while boosting shipping velocity and AI adoption
How to use your industry outsider status to your advantage
Product-building lessons from a Twitter PM turned healthcare founder
Don’t ship your pitch deck to your website
How to translate investor talking points into a marketing story
Inside Owner’s zigzag path to a billion-dollar business
Dropping out of high school. A six-figure Minecraft server. A failing dog grooming business. A pandemic pivot.
Why Linear puts craft above all metrics
Inside the company’s slow and deliberate path to product-market fit
How Carta saves 3,500+ hours per month using AI agents
An 11-min task completed in seconds
A new publication from First Round: Applied Intelligence
Learn how companies are actually using AI, and the results they’re experiencing
Stop playing customer success hero. Here’s how to build your first team.
From hiring to metrics to first systems to set up
How to go from random wins to repeatable revenue
A formula for sales repeatability
Can you be a good micromanager?
How to toggle between details and delegation
Rent-an-exec: Should you hire a fractional leader?
A fractional COO explains
Inside Figma's human-centered approach to building AI
From determining success metrics to structuring qualitative feedback
How to hang on to conviction in an emerging market: Braze's long game to PMF
The origin story of the now publicly traded company
How to spot the wrong customer before they burn your roadmap
How Vanta, Clay, Retool & more startups found their ICP
Thinking about becoming a founder? Here’s how to emotionally prepare
A psychologist’s advice on preparing to take the founder leap
How to make craft your moat
How Stripe, Linear, Square & more top companies operationalize taste
How to build and grow the human side of your engineering org
Lessons from Apple, Palantir and Slack
From weekend project to Fortune 10 adoption
How this founder closed millions in ARR with no sales hires
Inside Superhuman’s onboarding strategy: from human-led to self-serve
An extremely detailed look at building and scaling onboarding
From two-person consultancy to $4.2B software business — dbt Labs’ Path to PMF
Co-founder Tristan Handy shares the startup’s unconventional backstory
A playbook for running “founder-led” growth
You're not ready for a Head of Growth — yet.
Square’s former CEO on the two crucial components of org design
Building a structure to enable scale.
A playbook for building deep tech startups
When traditional startup advice falls short
17,784 hours: Exactly how one startup founder spent 5 years building
Sam Corcos, co-founder & CEO of Levels, on tracking every 15-minute block
How Plaid, Clay, Lattice & other startups pivoted to find PMF
Why & when these founders knew it was time to switch
A complete guide to your startup’s first sales hire
Expert advice from first hires at Dropbox, Figma, Stripe & more
How Figma chooses, builds & launches new products
From spotting user hacks to the “screenshot test”
The rotation program that keeps this startup’s engineers learning (and not leaving)
How Checkr’s VP of Eng squashes attrition
Introducing our new 0 to $5M series — how to nail founder-led sales
We’re teaming up with First Round partner Meka Asonye for a new series all about getting to $5M ARR.
EvolutionIQ’s path to product-market fit — and a $730M acquisition
Lessons from a vertical AI success story
An engineering leader’s advice for pivoting from manager to IC
A 90-day plan to land the jump
10x, 10x, 6x — The exact GTM moves behind Clay’s explosive revenue growth
Lessons from a newly minted unicorn
The inside story of the idea & launch of Figma Slides
How PM Mihika Kapoor built momentum for her product idea
The 30 best pieces of advice we heard in 2024
The 12th edition of our annual roundup is here
Fight off organizational entropy with this guide from Rippling’s COO
Matt MacInnis on becoming a more impatient (and effective) exec
25 tough questions for founder self-reflection
Questions to size up your decision making, team, product & more
How Figma taps into product taste, simplicity and storytelling
An interview with Chief Product Officer Yuhki Yamashita
What this founder learned from losing product-market fit
Lessons in intellectual honesty from a 3X founder
Three unexpected anti-patterns for engineering leaders
Will Larson, CTO at Carta, shares unconventional leadership strategies he’s learned from scaling teams at Stripe, Uber and Calm.
20 lessons from 20 different paths to PMF
Our favorite lessons from founders who tackled the winding journey to product-market fit
A founder-friendly playbook for early customer discovery
This week, we’re sharing a step-by-step playbook for how to approach early customer discovery and user research the right way.
After a decade of entrepreneurial pursuits, a $4B unicorn emerges
This week, we’re back with the latest installment in our Paths to Product-Market Fit series.
Why you shouldn’t focus on building the best product — and what to do instead
This week, we're diving into the how, what, when, and why of going from single product focus to multi-product strategy, a common stumbling block for startups.
Dig deeper in reference calls with these 25 questions
Happy Valentine's Day! This week, we’ve pulled together a mega-guide for falling back in love with reference calls.
Why the key to extreme product-market fit is simplicity & velocity
This week, a step-by-step guide on how to turn your startup into a learning machine.
The most honest lessons about the path to product-market fit
Featuring founders from Gusto, Mercury, Meter and more
Notion put an engineer in sales to build better AI tools
Actually doing the work revealed the right problem to solve
The merger playbook: A founder’s firsthand story of the deal that beat the odds
And how it changed the trajectory of both companies
Listen: How this two-time billion-dollar founder wins in the enterprise
GTM lessons from Jyoti Bansal
The process I've used to name dozens of companies
A note from the essay's author
The other PMF: how personality-message fit helps founders communicate better
The 30-second prep habit, learning to read a room, and more
How a high school dropout built one of the world’s most-used developer tools
From bootstrapping to a $3B company
When founders should quit as head of product — and hire the first PM
4 heuristics for deciding when it’s time
The trap of weak product-market fit — lessons from Mercury’s founder
Inside the fintech unicorn’s path to product-market fit
The compensation rules to follow (and break), according to experts
Compensation leaders from Clay, Google and Instacart share the rules early-stage founders can break — and the few they should actually follow.
How to avoid a co-founder breakup before Series B
Rituals to strengthen the most important relationship in your startup
Inside Warp’s coding by prompt mandate (and how the CEO follows it too)
Every coding task starts with a prompt — even the CEO’s
Founders, you’re missing this key step on the path to product-market fit
A research toolkit for the discovery phase
How Brex is building an AI-first operations org
Changing roles, workflows and skills around AI
Why Sierra built a design partnership program on “hard mode”
Sierra’s first GTM hire, breaks down every step of their playbook.
Idea validation tactics they won’t teach you in business school
How founders from Linear, Mercury and other startups found conviction before the build
What your startup does (and doesn’t) need to come out of stealth
A launch plan from Figma’s first marketer
Scale smarter, not bigger: Inside Linktree’s internal AI adoption playbook
How Linktree kept headcount steady at 190 while boosting shipping velocity and AI adoption
How to use your industry outsider status to your advantage
Product-building lessons from a Twitter PM turned healthcare founder
Don’t ship your pitch deck to your website
How to translate investor talking points into a marketing story
Inside Owner’s zigzag path to a billion-dollar business
Dropping out of high school. A six-figure Minecraft server. A failing dog grooming business. A pandemic pivot.
Why Linear puts craft above all metrics
Inside the company’s slow and deliberate path to product-market fit
How Carta saves 3,500+ hours per month using AI agents
An 11-min task completed in seconds
A new publication from First Round: Applied Intelligence
Learn how companies are actually using AI, and the results they’re experiencing
Stop playing customer success hero. Here’s how to build your first team.
From hiring to metrics to first systems to set up
How to go from random wins to repeatable revenue
A formula for sales repeatability
Can you be a good micromanager?
How to toggle between details and delegation
Rent-an-exec: Should you hire a fractional leader?
A fractional COO explains
Inside Figma's human-centered approach to building AI
From determining success metrics to structuring qualitative feedback
How to hang on to conviction in an emerging market: Braze's long game to PMF
The origin story of the now publicly traded company
How to spot the wrong customer before they burn your roadmap
How Vanta, Clay, Retool & more startups found their ICP
Thinking about becoming a founder? Here’s how to emotionally prepare
A psychologist’s advice on preparing to take the founder leap
How to make craft your moat
How Stripe, Linear, Square & more top companies operationalize taste
How to build and grow the human side of your engineering org
Lessons from Apple, Palantir and Slack
From weekend project to Fortune 10 adoption
How this founder closed millions in ARR with no sales hires
Inside Superhuman’s onboarding strategy: from human-led to self-serve
An extremely detailed look at building and scaling onboarding
From two-person consultancy to $4.2B software business — dbt Labs’ Path to PMF
Co-founder Tristan Handy shares the startup’s unconventional backstory
A playbook for running “founder-led” growth
You're not ready for a Head of Growth — yet.
Square’s former CEO on the two crucial components of org design
Building a structure to enable scale.
A playbook for building deep tech startups
When traditional startup advice falls short
17,784 hours: Exactly how one startup founder spent 5 years building
Sam Corcos, co-founder & CEO of Levels, on tracking every 15-minute block
How Plaid, Clay, Lattice & other startups pivoted to find PMF
Why & when these founders knew it was time to switch
A complete guide to your startup’s first sales hire
Expert advice from first hires at Dropbox, Figma, Stripe & more
How Figma chooses, builds & launches new products
From spotting user hacks to the “screenshot test”
The rotation program that keeps this startup’s engineers learning (and not leaving)
How Checkr’s VP of Eng squashes attrition
Introducing our new 0 to $5M series — how to nail founder-led sales
We’re teaming up with First Round partner Meka Asonye for a new series all about getting to $5M ARR.
EvolutionIQ’s path to product-market fit — and a $730M acquisition
Lessons from a vertical AI success story
An engineering leader’s advice for pivoting from manager to IC
A 90-day plan to land the jump
10x, 10x, 6x — The exact GTM moves behind Clay’s explosive revenue growth
Lessons from a newly minted unicorn
The inside story of the idea & launch of Figma Slides
How PM Mihika Kapoor built momentum for her product idea
The 30 best pieces of advice we heard in 2024
The 12th edition of our annual roundup is here
Fight off organizational entropy with this guide from Rippling’s COO
Matt MacInnis on becoming a more impatient (and effective) exec
25 tough questions for founder self-reflection
Questions to size up your decision making, team, product & more
How Figma taps into product taste, simplicity and storytelling
An interview with Chief Product Officer Yuhki Yamashita
What this founder learned from losing product-market fit
Lessons in intellectual honesty from a 3X founder
A growth expert’s guide to building billion-dollar marketplaces
Your annual plan is already obsolete: here's how to fix it
How Replit went from side project to a $1B business
A step-by-step guide to starting a B2B marketing engine from scratch
Non-obvious signs of early traction — and how to spot them
Why startup marketers should be diagnosticians
How Gong used design partners to prove a bet on AI in 2015
Here’s what you can really expect from a VC partner meeting
Why founders should be suspicious of symmetry in their org chart
How to launch your second (or third, or fifth) product
Tips for scaling analytics at startups
A seven-year “overnight success” story — Clay’s Path to PMF
Three unexpected anti-patterns for engineering leaders
Three unexpected anti-patterns for engineering leaders
Will Larson, CTO at Carta, shares unconventional leadership strategies he’s learned from scaling teams at Stripe, Uber and Calm.
20 lessons from 20 different paths to PMF
20 lessons from 20 different paths to PMF
Our favorite lessons from founders who tackled the winding journey to product-market fit
Asana’s Head of People opens up her company culture playbook
Seasoned founders share their best advice for first-timers
A founder-friendly playbook for early customer discovery
This week, we’re sharing a step-by-step playbook for how to approach early customer discovery and user research the right way.
After a decade of entrepreneurial pursuits, a $4B unicorn emerges
This week, we’re back with the latest installment in our Paths to Product-Market Fit series.
Why you shouldn’t focus on building the best product — and what to do instead
This week, we're diving into the how, what, when, and why of going from single product focus to multi-product strategy, a common stumbling block for startups.
Dig deeper in reference calls with these 25 questions
Happy Valentine's Day! This week, we’ve pulled together a mega-guide for falling back in love with reference calls.
Why the key to extreme product-market fit is simplicity & velocity
This week, a step-by-step guide on how to turn your startup into a learning machine.
Subject: The most honest lessons about the path to product-market fit
What the best founders taught us about building companies in 2025

All companies start with a founder who asks some version of the same question: Imagine if this could be different?
What happens next is where the real story lives — when ideas become real. That path is hardly ever a straight line. But what’s shared among those who walk it is an obsession with building something truly great.
This year on our podcast, In Depth, we asked founders to retrace the steps they took to find product-market fit in more detail than they’ve ever shared before.
Owner co-founder and CEO, Adam Guild, takes us through how the idea for the company started after saving his mom’s struggling dog grooming business. Braintrust founder and CEO Ankur Goyal recounts first feeling PMF when he didn’t have to convince anyone to use the product. And Jyoti Bansal, founder and CEO of Harness, shares why the hardest decision he ever made was to break up with Netflix as a customer. You’ll also hear from the founders of Gusto, fal, Meter, Postman, Reducto, Sentry, Serval and Stedi.
Of course, this is only a sliver of the advice shared across dozens of episodes of In Depth this year. Here were some more of our favorites:
- How Clay learned the problems its ICP needed to solve: The product started as an API-connected spreadsheet that pulled information from many sources into one place — but it had too many ICPs, leading to inconsistent usage and feature bloat. After identifying agency owners (and eventually salespeople) as targets, co-founder Varun Anand wanted to better understand their problems. “I would join all these WhatsApp groups and basically wait for people to talk about problems related to data enrichment,” he says. “We used that as a way to get into the ecosystem and get people really solving their problems with Clay.”
- Why Linear’s founders built a product for themselves, making it opinionated instead of flexible: Linear’s co-founder and CEO Karri Saarinen has always had a designer’s eye, but as a principal designer at Airbnb, that focused on a dissatisfaction with the company’s project management software. So he and his co-founders built an alternative. “My design philosophy has always been that you should design something for someone, and it’s really hard to design something good for everyone,” he says. “I don’t believe you can build the optimal tool for anything if it’s very flexible. So from the beginning, we wanted to be opinionated that there should be a good way of doing things.”
- What the co-founder and CEO of Applied Intuition believes is the real moment a founder is born: Prior to Applied Intuition, Qasar Younis was a founder and COO at Y Combinator. He’s interacted with many founders and has identified this as the moment they truly claim the founder mantle: “A founder is not made when you decide to start a company or raise capital. A founder’s made when you get feedback about the product, the market or yourself, and interpret it correctly,” he says. “What’s really important is you have to somehow discount some people’s feedback and over-index on other people’s. This analysis interpretation is the true heart of being a founder, especially in the early days.”
Thanks, as always, for watching and sharing!
-The Review Editors
Subject: Notion put an engineer in sales to build better AI tools
This week on Applied Intelligence, we learn how an AI engineer at Notion joined the sales team for a month to understand their challenges and build better tools to solve their problems.
Context Before Code: How Notion Put an AI Engineer on the Sales Floor to Discover What Actually Needed Building
His first day on Notion’s sales team, AI engineer Theo Bleier made 40 cold calls. He didn’t land a single meeting — but he did discover insights that would change how Notion built internal AI sales tools.
Instead of just throwing AI at the sales team and expecting results, Bleier became a card-carrying member of the sales pod for a month. He had named accounts. He learned about objection handling. He (unsuccessfully) cold-called.
Sitting with Notion’s most successful salespeople, Bleier noticed they spent extra time doing account research before any outbound. But he learned the result of that research wasn’t better email messaging — these reps developed a better understanding of when to reach out to these accounts and prioritize them accordingly.
“From the outside, it seems obvious we should make the sales team move faster by doing account research for them. But when Theo came in and did research, where he ended up was actually account prioritization."
- Pravesh Mistry, Notion’s Head of Global Sales.
This led to Bleier’s framework for a successful sales process: “Right messaging to the right person at the right company at the right time — and right time is step zero.”
As a result, Bleier created an internal tool called “Salestino bot” to automate that process. It gives reps specific product signals they use to better prioritize which accounts to reach out to, while also providing them with customized messaging to edit and use in that outreach.

In this exclusive interview, we learn about Bleier’s immersion process to find the right problems and exactly how he built the tools to solve them. If you’re developing internal AI tools, Bleier’s process is a clear example of how to find the real problem before writing a single line of code.
Thanks, as always, for reading and sharing,
-The Review editors
Subject: The merger playbook: A founder’s firsthand story of the deal that beat the odds
This week, Bob Moore, co-founder and CEO of Crossbeam, details every aspect of merging with a fast-growing competitor.
The Merger Playbook: Crossbeam’s CEO Breaks Down Every Detail of the Deal That Worked
75% of mergers fail. But Bob Moore, co-founder and CEO of ecosystem revenue platform company Crossbeam, knew a deal with fast-growing competitor Reveal could materially change the trajectory of his company.
Leading up to the deal, Crossbeam was approaching $10M ARR and had 800 customers (including Snowflake, Okta and Shopify). But uncover the up-and-to-the-right metrics and you’d see a different story — the company was spending too much cash to generate each incremental dollar of revenue and that revenue was coming too slowly.
“Our journey to $10M ARR had felt like chewing glass, and we still saw a buffet of it ahead of us,” Moore says.
In this essay, Moore goes into extreme, firsthand detail about how he and Reveal’s co-founder and CEO, Simon Bouchez, architected a merger that beat the odds. He takes us through:
- How they split the equity ownership and structured the board
- The values that dictated every aspect of the deal, with examples of how they were used in practice
- Why the messaging and narrative were so important and how they were deployed across different channels
- How they combined two teams and products, and the difficult tradeoffs they had to make in the process of doing each
Moore’s account of the merger goes beyond the vague headlines and PR talking points you normally get when it comes to M&A. If you’ve never run a real process yourself, you might be surprised at the sheer number of details to make it work. It’s a fascinating look at how two companies actually come together.
Thanks, as always, for reading and sharing!
-The Review Editors