A company that develops space and defense systems, focusing on advanced communication systems for satellites and spacecraft.

Cesium Astro

CesiumAstro engineers and manufactures communications modules, payloads, and satellites for space and airborne applications. Our multi-domain solutions enable a diverse range of commercial and defense applications. With offices in Austin, Texas; Broomfield, Colorado; El Segundo, California; and the United Kingdom; our global operations include hardware and software engineering, manufacturing, mission systems, systems engineering, and wireless communications engineering.

We're hiring! For more information, visit cesiumastro.com.

Franklin Templeton

Lavrock Ventures

Airbus Ventures

Analog Devices

Honeywell Venture Capital

Kleiner Perkins

L3 Harris Technologies

Heico

Forever Ventures

Franklin Blackhorse

Franklin Resources

CesiumAstro

We are honored to be ranked at the top of the Most Improved Companies list by Silicon Valley Defense Group in their SVDG NATSEC100 2024 Report, sponsored by JPMorganChase. Link to the report below. 

#NATSEC100

Thank you to Debra Werner and Jason Rainbow for their piece in SpaceNews on our fundraising round.

Thank you to our friends at Payload for featuring us in today's newsletter.

Trousdale Ventures is thrilled to announce our support of CesiumAstro, a rising leader in mission-ready space communications technology.

Trousdale Ventures leads the oversubscribed Series B+ financing, which will enhance the fast-growing company’s R&D, its groundbreaking approach to manufacturing, and global expansion.

“Trousdale Ventures exists to support founders and companies driving positive change,” said the global venture capital firm's founder, Phillip Sarofim. “CesiumAstro’s innovative technology offers national security solutions and next-gen connectivity, making it an ideal company for us to support in its next phase of growth.” #trousdalevcportfolio 

Read more! https://lnkd.in/gSXCMUWR

We're thrilled to share today's news and announcement of Assembly Ventures' newest portfolio company CesiumAstro, commercializing software-defined communication payloads for the next era of connectivity for airborne and space platforms. 🛰 CEO Shey Sabripour and Chief Scientist Thomas Magesacher are deep experts and industry leaders building an exceptional dual-use company.

The $65 million oversubscribed Series B+ was led by Trousdale Ventures with matching participation by Development Bank of Japan Inc. and Quanta Computer Inc. 廣達電腦 and round participation from Kleiner Perkins, Lavrock Ventures, L3Harris Technologies, InMotion Ventures, Matter Venture Partners, and Mesh Ventures.

Congratulations to Shey Sabripour and the team at CesiumAstro on closing a $65M Series B+ funding round, led by Trousdale Ventures, further mobilizing their mission to deliver scalable space tech for a range of applications

Matter Venture Partners is proud to participate in the round alongside Development Bank of Japan Inc. Quanta Computer Inc. 廣達電腦, Kleiner Perkins, Lavrock Ventures, L3Harris Technologies, InMotion Ventures, and Mesh Ventures

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Founder and Chief Executive Officer

Shey Sabripour

VP Finance

Alex Newton

VP of Human Resources

Peter Manternach

Director of Programs

Eric D. Smith

Director of Business Development

Wayne Phelps

Director of Finance

Zach Miller

Senior Manager, Mechanical Engineering

Aaron Quan

Corporate Communications Lead

Alexandra Johnson

Program Manager

Alfredo Saracho

Manager of Programs

Barbara Nunez

Daniel Sable

Phillip Sarofim

Jonathan Hodock

Mark Wiprud

Principal DSP Engineer

United States Companies With More Than 50 Employees (Top 10K)

Companies With More Than 50 Employees (Top 10K)

United States Startups Founded in 2017

United States Companies With Less Than $500M in Revenue (Top 10K)

CesiumAstro delivers communication systems for satellites, UAVs, launch vehicles, and other space or airborne platforms. Each of the company's products combines carefully selected COTS components with the traditional reliability necessary for aerospace systems. Its products enable connectivity between satellites, drones, planes, cars, and other mobile devices and generate electronically steerable beams of radio waves carrying information between the devices, and its software stitches the information together.

Trousdale Ventures

Series B - CesiumAstro

Venture Round - CesiumAstro

Debt Financing - CesiumAstro

Series A - CesiumAstro

Computer and Software Services and Scientific Services

Austin

Texas

United States

North America

CesiumAstro Unveils Element: Industry’s Most Efficient and Flexible Integrated Phased Array Satellite

CesiumAstro to Power Lunar Navigation With NASA Contract for LunaNet Technology

CesiumAstro Pockets $65M in Series B+ Funding

CesiumAstro Secures $65M in Oversubscribed Funding Round

Space communications tech company CesiumAstro raises $65M

CesiumAstro banks another $65 million

CesiumAstro Raises $65M in Series B+ Funding

CesiumAstro: Space Communications Company Secures $65 Million In Series B+

CesiumAstro Completes $65M Series B+

Phillip Sarofim’s Trousdale Ventures Leads CesiumAstro Series B+ Funding Round

Modular systems supporting high-throughput communication from L- to V-bands for satellites, UAVs, and launch vehicles.

A communications payload enabling inter-satellite links with software-defined radio and S-Band antennas for space applications.

Enhances earth observation mission data downlink performance with active phased arrays, eliminating the need for body pointing.

Supports Ka-band and S-band frequencies with programmable waveforms for flexible on-orbit operations.

Active phased arrays providing steerable, shapeable beams for maximized throughput and service quality.

Low-SWaP, high-performance antennas for 5G applications in ground, airborne, and space platforms.

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Cesium Astro