For the builders turning bold science and engineering into enduring companies, and the funders helping bring them to scale.
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About the Summit
Join Tough Tech founders, funders, and ecosystem leaders for a day of founder pitches, timely conversations, and high-value connection. Discover the companies and technologies shaping what’s next, and meet the people helping move breakthrough science and engineering from lab to lasting impact.
A cornerstone of Tough Tech Week (October 26–30, 2026), the Summit brings together the builders and backers advancing Tough Tech across climate, health, advanced systems, and beyond.
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The Details
Tuesday, October 27, 2026
8:00 AM - 6:00 PM
Hotel Commonwealth
500 Commonwealth Ave Boston, MA 02215
The Tough Tech Summit is by-invitation only.
2025 Tough tech summit at the glance
- VCs and Investors
- 160+
- Startups
- 250+
- Investor-Hosted Roundtables
- 21
- Startup Pitches
- 28
2026 Pitch Tracks
40 fundraising-ready companies will take the stage across four pitch tracks this year, 12 more than in 2025. Twelve more first looks at the science and engineering moving from the lab toward market, and a wider view of where Tough Tech is heading.
Featured Speakers
tough tech summit 2026
thank you to our sponsors
Join More: Tough Tech Week 2026
Tough Tech Summit is the flagship event of Tough Tech Week, a week-long convening of the investors, founders, and leaders advancing breakthrough science and engineering. Hosted by The Engine and more than 50 partners across Greater Boston and beyond, the week creates opportunities to meet emerging companies, explore technologies across critical sectors, and engage with the networks helping move Tough Tech from lab to market.
Explore the Calendar
By requesting an invitation or registering for this event, you consent to having your contact information shared with event organizers, attendees, and sponsors, acknowledge that photography and videography may be taken during the event and used in future promotional materials, and agree to follow The Engine’s event guidelines and privacy policy.
Submission of a Tough Tech Summit registration request does not guarantee attendance. All requests are subject to review and approval by The Engine.