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Pacific Fusion

Last updated Jul 6, 2026

Fusion Machine Developer
Projects: 1Funding (Investment): 1Funding (Nondilutive): 1Jobs: 28News: 9Publications: 3
Pacific Fusion logo

Founding Year

2023

Location

United States flag Fremont, California, United States

Company Founders

Carrie von Muench

Keith LeChien

Will Regan

Leadership

Will Regan, President

Carrie von Muench, COO

Keith LeChien, CTO

Website

www.pacificfusion.com

Pacific Fusion is pursuing pulsed magnetic fusion systems. Their approach is based on impedance-matched Marx generators which will be arrayed to provide the high current, short pulses needed to compress and heat fusion fuel. Their plans include an experiment which will demonstrate net facility gain before the development of electricity producing fusion energy systems.

News

Public-Private Partnerships Expand U.S. Nuclear Fusion Research

Oct 1, 2026 • armscontrol.org

Breaking Ground on the Future of Fusion September.04.2026

Sep 3, 2026 • Pacific Fusion

In Albuquerque, Pacific Fusion looks to build ‘practical basis’ for commercial fusion power

Aug 24, 2026 • Albuquerque Journal

LLNL and Pacific Fusion achieve 3,000-shot milestone with Sirius pulsed-power prototype

Jul 20, 2026 • ANS Nuclear Newswire

The invention of Sirius and what we’ve learned from 3,000 shots at Lawrence Livermore National Laboratory Partnerships July 17, 2026

Jul 16, 2026 • Pacific Fusion

News releases July.16.2026 Lawrence Livermore-Pacific Fusion collaboration breaks new record to advance America’s high-gain fusion capability

Jul 15, 2026 • Pacific Fusion

News releases June.02.2026 Validating the next building block toward affordable fusion power

Jun 1, 2026 • Pacific Fusion

Company March.12.2026 Clarity and transparency on the path to fusion energy

Mar 11, 2026 • Pacific Fusion

Our latest news March.04.2026 Pacific Fusion launches call for Expressions of Interest for its Users Program

Mar 3, 2026 • Pacific Fusion

Publications

Hall-MHD in driven turbulence FLASH simulations

Sep 2, 2026 • arXiv (physics.plasm-ph)

Development of anisotropic magnetized viscosity for magnetized liner inertial fusion simulations in FLASH

Sep 1, 2026 • Physics of Plasmas

Ion stopping from bound and free electrons in plasmas: A channel-mixed RPA approach with average-atom orbitals

Aug 1, 2026 • arXiv (physics.plasm-ph)

Projects

DS

Description

Pacific Fusion's pulser-driven inertial fusion Demonstration System, designed to compress magnetized, preheated DT-filled cylindrical targets to ignition and net facility gain (Q_F > 1).

Funding Received (Investment)

October 25, 2024

roundSeries A

$900,000,000

FundersLeitmotifTrousdale Ventures

+ 4 More

AnnouncementSeries A

Funding Received (Nondilutive)

September 10, 2025

programINFUSE
FundersFusion Energy Sciences (FES)
AnnouncementINFUSE: Coded Apertures for Pulsed Magnetic Fusion Neutron Imaging

Jobs

Pacific Fusion logo

Manufacturing Systems Analyst

Pacific Fusion

Los Lunas, New Mexico, United States

ManufacturingSoftware Engineering

Full-time

Found a month ago

Pacific Fusion logo

Summer 2027 Internship - Electrical Engineering

Pacific Fusion

San Leandro, California, United States

Electrical EngineeringMechanical Engineering

Full-time

Found a month ago

Pacific Fusion logo

Summer 2027 Internship-Manufacturing Engineering

Pacific Fusion

San Leandro, California, United States

Manufacturing

Full-time

Found a month ago

Pacific Fusion logo

Summer 2027 Internship- Mechanical Engineering

Pacific Fusion

San Leandro, California, United States

Mechanical Engineering

Full-time

Found a month ago

Pacific Fusion logo

Summer 2027 Internship- Software Engineering

Pacific Fusion

San Leandro, California, United States

Software Engineering

Full-time

Found a month ago

Pacific Fusion logo

Summer 2027 Internship- Supply Chain

Pacific Fusion

San Leandro, California, United States

Supply Chain

Full-time

Found a month ago

Pacific Fusion logo

Senior Precision Assembly Engineer

Pacific Fusion

San Leandro, California, United States

ManufacturingProject Management

Full-time

Found a month ago

Pacific Fusion logo

Mechanical Design Engineer

Pacific Fusion

Fremont, California, United States

Mechanical Engineering

Full-time

Found a month ago

Pacific Fusion logo

Senior Manufacturing Engineer - NPI

Pacific Fusion

Fremont, California, United States

ManufacturingElectrical Engineering

Full-time

Found a month ago

Pacific Fusion logo

Senior Mechanical Engineer - Vacuum Systems

Pacific Fusion

Fremont, California, United States

Mechanical Engineering

Full-time

Found a month ago

Pacific Fusion logo

Fabrication Lead

Pacific Fusion

San Leandro, California, United States

ManufacturingMechanical Engineering

Full-time

Found a month ago

Pacific Fusion logo

Senior Mechanical Engineer - Test Infrastructure

Pacific Fusion

San Leandro, California, United States

Mechanical Engineering

Full-time

Found a month ago

Pacific Fusion logo

Senior Manufacturing Engineer

Pacific Fusion

San Leandro, California, United States

Manufacturing

Full-time

Found 2 months ago

Pacific Fusion logo

Controls Hardware Engineer

Pacific Fusion

San Leandro, California, United States

Electrical Engineering

Full-time

Found 2 months ago

Pacific Fusion logo

Mechanical Engineer - Pulsed Power

Pacific Fusion

San Leandro, California, United States

Mechanical Engineering

Full-time

Found 2 months ago

Pacific Fusion logo

Senior Mechanical Engineer - Pulsed Power

Pacific Fusion

San Leandro, California, United States

Mechanical EngineeringElectrical Engineering

Full-time

Found 2 months ago

Pacific Fusion logo

Mechanical Design Engineer

Pacific Fusion

San Leandro, California, United States

Mechanical Engineering

Full-time

Found 3 months ago

Pacific Fusion logo

Senior Structures Engineer

Pacific Fusion

San Leandro, California, United States

Mechanical Engineering

Full-time

Found 4 months ago

Pacific Fusion logo

Senior Structures Engineer

Pacific Fusion

San Leandro, California, United States

Mechanical Engineering

Full-time

Found 4 months ago

Pacific Fusion logo

Senior Mechanical Engineer - Pulser Modules

Pacific Fusion

San Leandro, California, United States

Mechanical Engineering

Full-time

Found 5 months ago

See All Jobs

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Pacific Fusion logo

Founding Year

2023

Location

United States flag Fremont, California, United States

Company Founders

Carrie von Muench

Keith LeChien

Will Regan

Leadership

Will Regan, President

Carrie von Muench, COO

Keith LeChien, CTO

Website

www.pacificfusion.com

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