Hayley Bay Barna (@hayleybay) 's Twitter Profile
Hayley Bay Barna

@hayleybay

@FirstRound Partner in NYC. @Birchbox Co-Founder. Professional question asker. Optimist.

ID: 21266194

linkhttp://firstround.com calendar_today19-02-2009 02:00:21

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10,10K Followers

540 Following

Dave Girouard (@davegirouard) 's Twitter Profile Photo

Amazing to read how Yale put First Round in business. And then a few years later, First Round kept @upstart in business - when we needed it most. Sometimes you just need a single hardcore believer.

Brett Berson (@brettberson) 's Twitter Profile Photo

I’m kicking off the search for a role on our team First Round , and I think it's shaping up to be one of the most important additions in a long time. I’m hiring a VP of Marketing charged with building and running a full-stack marketing team at First Round as we partner with

Bill Trenchard (@btrenchard) 's Twitter Profile Photo

We’re hiring an investor to join First Round and work alongside me on every aspect of pre-product market fit investing — from finding extraordinarily talented founders to doing all that we can to support their ambitions as their companies start to take shape. Partnering with

Hayley Bay Barna (@hayleybay) 's Twitter Profile Photo

Building something meaningful is never easy, especially in a complex, regulated space like insurance. That's why today's news about EvolutionIQOfficial's $730M acquisition by CCC Intelligent Solutions is so inspiring. Tomas Vykruta, Mike Saltzman, and Jonathan Lewin were early to AI applications

Gumloop (@gumloop_ai) 's Twitter Profile Photo

We're excited to announce Gumloop's $17m series A led by Nexus Venture Partners with participation from First Round, Y Combinator and angels like @max, Shaan Puri, brryant, Reynold Xin to name a few The future of AI automation is bright and we're thrilled to help shape it blog.gumloop.com/gumloops-17m-s…

Hayley Bay Barna (@hayleybay) 's Twitter Profile Photo

Super excited to open applications for the next cohort of PMF Method, First Round’s intensive 4-day experience designed for exceptional B2B founders early in building epic companies. We've turned what iconic enterprise founders did in their first 6 months into tactical sessions

Super excited to open applications for the next cohort of PMF Method, <a href="/firstround/">First Round</a>’s intensive 4-day experience designed for exceptional B2B founders early in building epic companies.

We've turned what iconic enterprise founders did in their first 6 months into tactical sessions
Todd Jackson (@tjack) 's Twitter Profile Photo

Most builders don’t become investors. I’m looking for someone who breaks that pattern and wants to join me First Round to support the next generation of brilliant founders with a unique insight that’s highly technical. I spent my career working on products like Gmail’s user

Todd Jackson (@tjack) 's Twitter Profile Photo

Rocketship is an overused term. But it’s hard to come up with another way to describe fal’s trajectory — going from $1M to $40M ARR in one year is more vertical line than hockey stick. Their crazy focus on performance and reliability have meant that they’ve built what

Rocketship is an overused term. But it’s hard to come up with another way to describe <a href="/FAL/">fal</a>’s trajectory — going from $1M to $40M ARR in one year is more vertical line than hockey stick.

Their crazy focus on performance and reliability have meant that they’ve built what
Hayley Bay Barna (@hayleybay) 's Twitter Profile Photo

NYC is a great place to start a company. I founded Birchbox here, and now as an investor, I love backing founders dreaming up the next big idea in this city. That’s why I’m so excited that First Round is co-hosting a day-long summit with Lux Capital, BoxGroup, and @USV to

NYC is a great place to start a company. I founded <a href="/birchbox/">Birchbox</a> here, and now as an investor, I love backing founders dreaming up the next big idea in this city.

That’s why I’m so excited that <a href="/firstround/">First Round</a> is co-hosting a day-long summit with <a href="/Lux_Capital/">Lux Capital</a>, <a href="/BoxGroup/">BoxGroup</a>, and @USV to
Josh Kopelman (@joshk) 's Twitter Profile Photo

With the long time horizons it takes to build deep tech companies, every milestone along the way feels extra meaningful. Celine Halioua and @Loyalfordogs just took a massive step forward on their path to helping dogs live longer, healthier lives. For the SECOND time, they’ve

With the long time horizons it takes to build deep tech companies, every milestone along the way feels extra meaningful. 

<a href="/celinehalioua/">Celine Halioua</a> and @Loyalfordogs just took a massive step forward on their path to helping dogs live longer, healthier lives.

For the SECOND time, they’ve
Sharon Goldman (@sharongoldman) 's Twitter Profile Photo

Exclusive: Instacart bought Lindon Gao's self-checkout startup for $350M. Now he’s teaming with a Google DeepMind alum, @jasonma2020 to build low-cost robots fortune.com/2025/03/25/exc…

Hayley Bay Barna (@hayleybay) 's Twitter Profile Photo

What does 17,784 hours of a founder's life look like? Sam Corcos obsessively tracked every 15 minutes of building Levels for 5 years—and the data revealed some counterintuitive truths about burnout, engineering management, and scaling. The full breakdown: review.firstround.com/how-i-spent-17…

What does 17,784 hours of a founder's life look like? <a href="/SamCorcos/">Sam Corcos</a> obsessively tracked every 15 minutes of building <a href="/Levels/">Levels</a> for 5 years—and the data revealed some counterintuitive truths about burnout, engineering management, and scaling. The full breakdown: review.firstround.com/how-i-spent-17…
Tech:NYC (@technyc) 's Twitter Profile Photo

When it comes to investment decisions, what’s more important: The founder, the idea, or the product? Unanimous answer from panelists Hayley Bay Barna, Grace Isford, and Nimi Katragadda: The founder. #FoundersNYC

When it comes to investment decisions, what’s more important: The founder, the idea, or the product? 

Unanimous answer from panelists <a href="/hayleybay/">Hayley Bay Barna</a>, <a href="/graceisford/">Grace Isford</a>, and <a href="/nkatragadda/">Nimi Katragadda</a>: The founder. 

#FoundersNYC
Hayley Bay Barna (@hayleybay) 's Twitter Profile Photo

Fun to reflect back on almost 10 years investing and 15 years since starting to build in the NYC tech ecosystem. Thanks to Bloomberg and Caroline Hyde for hosting.