What Does Lightmatter Do?

Total employees234
HeadquartersBoston
Founded2017

Lightmatter is an innovative technology company at the forefront of photonic computing. They design and develop ultra-fast, low-power photonic chips (processors and interconnects) that use light instead of electricity for computation and data transfer. This groundbreaking approach aims to overcome the limitations of traditional silicon-based hardware, enabling significant advancements in artificial intelligence, machine learning, high-performance computing (HPC), and data center efficiency. Lightmatter's technology promises to power the next wave of computational demands with significantly improved performance and reduced energy consumption.

Where Is Lightmatter's Headquarters?

HQ Function

Serves as the central hub for research and development, corporate strategy, engineering, and administrative operations.

Notable Features:

Modern office facilities within a prominent commercial building, designed to foster collaboration, cutting-edge research, and innovation in photonics.

Work Culture:

Characterized by a fast-paced, innovative, and collaborative startup environment, focused on solving complex technological challenges with a pioneering spirit.

HQ Significance:

The Boston headquarters is pivotal for Lightmatter's mission, anchoring its R&D efforts in a leading tech ecosystem and facilitating talent acquisition from top universities and tech companies.

Values Reflected in HQ: The headquarters' environment reflects Lightmatter's core values of innovation, technological excellence, ambition, and collaborative problem-solving.

Location:

While its physical offices are currently concentrated in the United States (Boston, Cambridge, and Mountain View), Lightmatter's impact and ambition are global. The company develops photonic computing solutions for a worldwide market, addressing the needs of global data centers, AI research institutions, and high-performance computing users across various industries. Their technology aims to power next-generation computing infrastructure internationally.

Street Address:

75 State St, Suite 100

City:

Boston

State/Province:

MA

Country:

USA

Where Else Does Lightmatter Operate Around the World?

Cambridge, MA, USA

Address: 245 Main Street, 4th Floor, Cambridge, MA 02142

Serves as a key R&D and engineering site, strengthening ties with academic research and tapping into the rich talent pool in the Cambridge/Boston area.

Mountain View, CA, USA

Address: 800 W El Camino Real, Suite 180, Mountain View, CA 94040

Enhances Lightmatter's presence on the West Coast, crucial for engaging with major technology partners, customers, and investors in the AI and computing sectors.

Buying Intent Signals for Lightmatter

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Lightmatter? Meet the Executive Team

As of April 2025, Lightmatter' leadership includes:

Nicholas Harris, PhD - Founder & Chief Executive Officer
Thomas Graham, PhD - Co-founder, President & Chief Operating Officer
Darius Modarress - Chief Financial Officer
Steve Klinger - Chief Revenue Officer
Jessie Lockhart - VP of People

Who's Investing in Lightmatter?

Lightmatter has been backed by several prominent investors over the years, including:

Viking Global Investors
GV (Google Ventures)
Spark Capital
Matrix Partners
SIP Global Partners
Fidelity Management & Research Company
Porsche Ventures
Air Force Research Laboratory (AFRL)
Hamilton Lane
Lockheed Martin Ventures

What Leadership Changes Has Lightmatter Seen Recently?

Hire0
Exits0

No major publicly announced executive hires or exits specifically within the last 12 months (approx. May 2023 - May 2024) have been identified. Key appointments such as the CFO and CRO occurred in early 2023.

What Technology (Tech Stack) Is Used byLightmatter?

Discover the tools Lightmatter uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Lightmatter Email Formats and Examples

Lightmatter most commonly uses the email format combining the employee's first name and last name, separated by a period, followed by @lightmatter.co. Other formats might exist but this is the most prevalent one.

first.last@lightmatter.co

Format

jane.doe@lightmatter.co

Example

85%

Success rate

What's the Latest News About Lightmatter?

Business WireMay 7, 2024

Lightmatter Raises $155 Million Series C-1 to Accelerate Growth and Product Roadmap for AI Compute

Lightmatter announced it has secured $155 million in a Series C-1 funding round co-led by GV (Google Ventures) and Viking Global Investors. The funding will be used to accelerate the company's growth and advance its product roadmap for photonic AI compute solutions....more

Lightmatter NewsMarch 19, 2024

Lightmatter to Demonstrate World’s First Photonic SmartNIC at OFC 2024

Lightmatter announced it would demonstrate the world’s first photonic Smart Network Interface Card (SmartNIC) at the Optical Fiber Communication Conference (OFC) 2024. This marks a significant step in applying photonic technology to network infrastructure for high-performance computing and AI....more

Lightmatter NewsDecember 5, 2023

Lightmatter Unveils Envise, Passage, and Idiom: The Foundational Hardware for Next-Generation AI Inference Compute

Lightmatter officially launched its full suite of photonic products: Envise (general-purpose AI photonic processor), Passage (programmable photonic interconnect), and Idiom (software stack). These products aim to provide a complete hardware and software solution for building next-generation AI infrastructure....more

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