Underscore VC

Early-stage, Boston-based venture capital firm backing bold entrepreneurs with an aligned community designed to fit each startup's unique needs.

[Underscore VC @UnderscoreVC]

#TechWeekBOS was good to us. With nearly 700 events across the week, Boston's tech community showed up in force.

We would like to say a big thank you to our co-hosts, especially @Techweek_ and @UpstartsMediaCo. And to everyone who came out, thank you for bringing the energy!

[Alex Konrad @alexrkonrad]

Upstarts will be at Boston Tech Week next week, and we'd love to see you there 👋

I'll be hosting a special lunch-and-learn event for founders next Thursday, May 28, focused on practical company-building tips.

Speakers include:
- @Day_ai_app CEO Christopher O'Donnell (@markitecht)
- @MavenAGI CEO Jonathan Corbin (@jc1)
- @Pryzm_Dynamics CEO @Nick LaRovere (@laroverenick)
-me (lol)

A big thanks to our event partners @airwallex and @TrustVanta and venue partner @UnderscoreVC for helping make it happen 🫡

[Underscore VC @UnderscoreVC]

Boston Tech Week is coming.

We’re excited to be a founding host of #BOSTechWeek with @a16z, bringing together the builders, operators, and communities shaping Boston’s next chapter.

May 26–31. Let’s make it a great week for Boston. 🚀

[Underscore VC @UnderscoreVC]

Congrats to Nitay Milner and Yonatan Kreiner on Orion Security's $32M Series A led by @NorwestVP!

The team has reimagined DLP for the AI era. And the market has formed around them in a massive way.

Read more: https://t.co/J5NDVvRCLZ

[Underscore VC @UnderscoreVC]

2025 wasn’t just about the milestones. It was about the moments and people that made them possible.

Explore our year in review: https://t.co/N5QkF80atj

[Underscore VC @UnderscoreVC]

If AI in life sciences is a gold rush, Boston is the gold mine. No other city has the cross-disciplinary density of pharma, academia, AI labs, hospitals, startups, and talent that this region does. It’s all colliding here.

[Underscore VC @UnderscoreVC]

On @BloombergTV #WallStreetWeek, Underscore Partner @lilylyman shared why a resilient innovation economy depends on patient capital that supports the earliest phases of discovery.

🎥 Watch the full segment: https://t.co/uifL2BXWkc

[Underscore VC @UnderscoreVC]

The skies may have opened up last night, but so did the doors to our new Core Community Hub! What had been just an office quickly became a home once it was filled with the energy, laughter, and conversations of founders, operators, and ecosystem champions. 💛

[Underscore VC @UnderscoreVC]

Bloomberg Anchor @DavidWestin sat down with MIT's Rafael Reif and Underscore Partner @lilylyman to hear how we're experiencing and thinking about the recent cuts to federal research. Catch the full segment here: https://t.co/SP8HdfXLv0

[Bloomberg TV @BloombergTV]

MIT’s Rafael Reif warns that cutting federal research funding can “burn our future” and weaken the United States’ innovation edge. Watch more on tonight's "Wall Street Week" at 6 p.m. ET https://t.co/JpnjbbhVzt

[Underscore VC @UnderscoreVC]

Terra Security has raised a $30M Series A! We couldn’t be prouder to back Shahar and Gal, who are building something truly next-level in cybersecurity: the first agentic-AI-powered continuous penetration testing platform. https://t.co/KVhPxRLiNN

[Underscore VC @UnderscoreVC]

While there are no shortage of thoughts on #GPT5, we want to hear yours! Underscore Partner @RichDulude_ shared his with @PitchBookNews. Read them at the link and let us know yours in the comments. https://t.co/IRUfVm6G9w

[Jack O'Brien @thejackobrien]

Today we're launching Subconscious: a new platform for building agents with long-horizon reasoning and tool use, backed by MIT research.

One API call. Tool use. Context beyond existing limits.

If you're building agents, let's talk.

[Underscore VC @UnderscoreVC]

AI-native companies ship fast, learn faster, and compound early.

Meet @HypernaturalAI: Rebecca Kossnick & Taylor Hughes are giving anyone the power to turn ideas into videos—fast, affordable, at scale.

Learn why we're proud to back them: https://t.co/G8A3pUmRFX

[Underscore VC @UnderscoreVC]

AI is changing how software gets built — but it’s not replacing the humans behind it. At @TechCrunch All Stage, Chris Gardner reminded us that while AI can 1000x speed, real innovation still starts with people. Empathy, taste, and persuasion remain at the heart of great products.

[Underscore VC @UnderscoreVC]

On August 5, we’re teaming up with six of Boston’s top early-stage VC firms to co-host #SXSouthie — a no-agenda, invite-only morning mixer for founders and funders shaping our AI-powered future.

🚨 Space is limited — RSVP required!
Grab your spot here → https://t.co/rrybVpSNKD

[Underscore VC @UnderscoreVC]

In Boston’s powerhouse health tech scene, it takes bold vision to stand out. And, let us tell you. The Quilt Health team does. Read why we invested: https://t.co/BIqlWKWD8A

[Underscore VC @UnderscoreVC]

Rain? What rain? The community showed up in force last night to the Core Spring Social. The vibes were high. The food was incredible. And the conversations? 🔥

[Underscore VC @UnderscoreVC]

Korl is reimagining how strategic communications happen in a post-GenAI world. Their platform keeps customer-facing teams aligned with product developments, creating personalized communications that transform customer conversations into renewal catalysts. https://t.co/AIDr8TaG5h

[Underscore VC @UnderscoreVC]

Calling all academic visionaries! The Pearce Summer Fellows Program offers more than funding — it's your gateway to Boston's tech ecosystem and it's where your B2B software idea finds its footing.

Applications close on the 31st! Apply: https://t.co/TfBVgMDZEx

[Underscore VC @UnderscoreVC]

The Rippling vs. Deel lawsuit stresses that we must think differently about data security. Particularly now, as AI increases both the value & vulnerability of data. Good news: Orion Security has re-thought it for us!

Read why we're backing their vision: https://t.co/dRGFXcPxHx