257 was founded by Scott Rosenberg, Tal Chalozin.

Who are 257's investors?

257's investors include City Light, F2 Venture Capital, Swift Ventures.

How much funding has 257 raised?

257 has disclosed $9.2M raised across 1 round.

257

3 known investors

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257 provides a customer intelligence platform built on digital energy twins of 130M U.S. homes, using data and AI to help companies identify, target, and convert households across online and offline channels. It serves solar, HVAC, utility, retail electric, and community solar providers in the U.S. residential energy market.

AI & Machine Learning Energy Marketing Tech

Founders & leadership

Scott Rosenberg Co-founder, CEOScott Rosenberg has spent 25+ years in media, advertising, and consumer technology, with prior experience as an engineer, product leader, and general manager. At Roku, he built and ran a media business and oversaw a large team at a public company; he is now co-founder and CEO of 257, a customer intelligence platform for the residential energy sector.

Tal Chalozin Co-founder, CTO

Investors · 3

City Lightlisted by City LightNew York · $1M – $6M

How we know: the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

F2 Venture Capitallisted by F2 Venture CapitalTel Aviv

How we know: F2 Venture Capital's portfolio page · a partner's Signal profile · calcalistech.com · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

Swift Ventureslisted by Swift VenturesSan Francisco

How we know: Swift Ventures's portfolio page · Not right? Tell us

Funding

SEC filings, press & company announcements

$9.2M disclosed across 1 round · 2025

$9.2MSeedMar 2025 · 3 sources
F2 Venture Capital (lead)
Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

Frequently asked questions

What does 257 do?: 257 provides a customer intelligence platform built on digital energy twins of 130M U.S. homes, using data and AI to help companies identify, target, and convert households across online and offline channels. It serves solar, HVAC, utility, retail electric, and community solar providers in the U.S. residential energy market.
Who founded 257?: 257 was founded by Scott Rosenberg, Tal Chalozin.
Who are 257's investors?: 257's investors include City Light, F2 Venture Capital, Swift Ventures.
How much funding has 257 raised?: 257 has disclosed $9.2M raised across 1 round.