Celestial AI (https://celestial.ai) develops the Photonic Fabric™, an advanced optical interconnect technology designed to overcome the limitations of traditional data center infrastructure. The company's platform enables scalable, high-performance AI data center compute by delivering ultra-high bandwidth and nanosecond latency connections, supporting in-network memory and compute capabilities.
The Photonic Fabric™ uniquely addresses the full stack of connectivity, switching, and packaging challenges found in next-generation AI infrastructure. Celestial AI offers this technology in several forms: PFLink™ (connectivity, available as a chiplet or licensable IP), PFSwitch™ (a low-latency, high-bandwidth scale-up switch), and OMIB™ (advanced packaging). This suite of products enables large-scale, XPU-to-XPU interconnectivity, making it possible to scale AI and reasoning models across thousands of processors, critical for modern AI workloads.
How Was Celestial AI Started?
Celestial AI was co-founded by David Lazovsky (CEO) and Preet Virk (COO), bringing together expertise in photonics, semiconductor technology, and system architecture. The leadership team includes experienced professionals in engineering, technology, and corporate operations, aiming to redefine data center connectivity for the AI era. More details about their team and company background can be found on their About page.
What Problems Does Celestial AI Solve?
Traditional data center interconnects struggle to keep up with the bandwidth and latency demands of modern AI models. Celestial AI’s Photonic Fabric™ directly tackles these challenges by:
- Providing extremely high bandwidth and ultra-low latency connections between processors (XPUs)
- Supporting in-network, high-capacity memory and computing
- Enabling seamless scalability for AI, machine learning, and inference workloads
- Covering the full technology stack: connectivity, switching, and packaging
Who Uses Celestial AI?
Celestial AI’s solutions are designed for organizations building large-scale AI infrastructure, such as data center operators, AI hardware manufacturers, and enterprises requiring high-performance compute environments. While specific customer names are not publicly listed, their technology targets companies at the forefront of AI, hyperscale compute, and next-generation data center design.
Who Are Celestial AI’s Competitors?
Celestial AI operates in a competitive space that includes companies developing optical interconnects, advanced data center networking, and semiconductor IP for AI infrastructure. Competitors may include firms like NVIDIA (NVLink), Broadcom, and other startups in photonic interconnects. However, Celestial AI differentiates itself by addressing the full connectivity, switching, and packaging stack for large-scale AI environments.
Leadership Team
- David Lazovsky (Co-Founder, CEO)
- Preet Virk (Co-Founder, COO)
- Narayan Kaniyur (SVP, Engineering)
- Phil Winterbottom (CTO)
- Kelyn Brannon (CFO)
- Steven Metz (VP, Sales)
- Ankur Aggarwal (VP, Advanced Packaging & Supply Chain)
- Subal Sahni (VP, Photonics Engineering)
- Victoria Sevilla (VP, People)
Celestial AI is also supported by a board of directors and technical advisors with deep experience in technology, investment, and photonics.
Recent News
In March 2025, Celestial AI announced a $250 million funding round to accelerate the adoption and development of its Photonic Fabric™ technology, reflecting significant market interest in next-generation AI infrastructure.
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