Tamarack Global

Tamarack Global is a venture capital investment firm based in Greenwich, Connecticut, founded in 2018. The firm specializes in investing in new markets and emerging economies, with a focus on sectors such as autonomous technology, space technology, data intelligence, and electrification. As a Registered Investment Adviser, Tamarack Global aims to identify and capitalize on innovative opportunities in these dynamic fields, providing strategic investments that drive growth and development.

Jamie Lee

Managing Partner

18 past transactions

Earth AI

Series B in 2025
Earth AI is a predictive explorer and driller specializing in critical minerals. The company operates as a vertically integrated mineral exploration firm, utilizing artificial intelligence to enhance mineral targeting. By predicting the locations of metallic ore bodies, Earth AI focuses on metals such as copper, lead, zinc, nickel, cobalt, vanadium, and rare earth elements. This innovative approach aims to improve the success rates of mineral discoveries while simultaneously reducing operational risks and costs for mining explorers.

Blue Energy

Series A in 2024
Blue Energy is a company specializing in modular nuclear power plants, focusing on the development and provision of offshore nuclear power solutions. The company aims to deliver reliable, clean, and abundant electricity, contributing to the transition towards sustainable energy sources. By leveraging innovative technology in nuclear energy, Blue Energy seeks to address the growing demand for efficient and environmentally friendly power generation.

Impulse Space

Series B in 2024
Impulse Space is an in-space transportation company founded by Tom Mueller, focused on expanding access beyond Low Earth Orbit (LEO) through its innovative fleet of transportation vehicles. The company operates the Mira vehicle, which utilizes a nontoxic, high-impulse chemical propulsion system to provide services such as orbital transport, constellation deployment, and precision reentry for clients across various orbits. Additionally, the Helios vehicle, equipped with the powerful Deneb engine, facilitates payload deliveries to orbits beyond LEO, including medium Earth orbit (MEO), geostationary orbit (GEO), and even lunar and other planetary orbits. With a team that has a proven track record in developing some of the most reliable rockets, Impulse Space aims to offer economical and efficient transportation solutions for space payloads, enabling clients to manage costs while achieving rapid operational improvements.

Rainmaker Technology

Seed Round in 2024
Rainmaker employs cutting-edge technology to generate rain, replenish water sources, and address drought challenges sustainably and effectively.

Figure

Series B in 2024
Figure is an AI robotics company that builds a multi-purpose humanoid form robot. The company has created a humanoid robot with the purpose of being introduced into the workforce to tackle problems such as labor shortages, and undesirable or unsafe jobs, and to assist in global supply chain operations. Figure 01 combines the agility of the human body with advanced AI technology to surpass the capabilities of robots designed for specific tasks. It provides assistance in various sectors including manufacturing, logistics, warehousing, and retail.

Antithesis

Seed Round in 2024
Antithesis is a U.S.-based cloud platform that specializes in automating software reliability testing in a controlled environment. The platform focuses on ensuring software quality by continuously analyzing software behavior, identifying issues, and reproducing problems in a deterministic manner without impacting production systems. By simulating faults such as network retries and thread hangs, Antithesis can uncover rare errors and evaluate numerous potential outcomes. The software allows developers to test applications under various conditions, validate specific properties, and trace issues back to their root causes. Additionally, it enhances debugging efficiency through detailed tracking of system states and the capability to replay events leading to a problem, ultimately helping clients detect failures that occur under particular network, hardware, or timing scenarios.

Afterparty

Venture Round in 2023
Afterparty is a technology company founded in 2021 and based in Los Angeles, California, that focuses on enhancing the creator economy through a Web3 platform. This platform allows creators to directly monetize their work and foster relationships with NFT collectors and supporters. By offering tools for hosting token-gated experiences both in the metaverse and in real life, Afterparty empowers creators to connect more intimately with their fan communities. The company's mission is to provide a better model for the music creator economy, enabling clients to develop and sustain direct relationships with their audiences while effectively managing their monetization strategies.

Figure

Series A in 2023
Figure is an AI robotics company that builds a multi-purpose humanoid form robot. The company has created a humanoid robot with the purpose of being introduced into the workforce to tackle problems such as labor shortages, and undesirable or unsafe jobs, and to assist in global supply chain operations. Figure 01 combines the agility of the human body with advanced AI technology to surpass the capabilities of robots designed for specific tasks. It provides assistance in various sectors including manufacturing, logistics, warehousing, and retail.

Fuse

Seed Round in 2023
Fuse is focused on advancing fusion energy technology to promote clean energy solutions. The company develops pulsed power generators that utilize magnetized-liner inertial fusion technologies. These innovations allow energy and utility companies to utilize fusion generators for applications such as nuclear effects testing and energy production. By concentrating on fusion energy, Fuse aims to contribute significantly to the transition towards sustainable energy sources.

Chaos

Series A in 2023
Chaos Industries is a technology company specializing in next-generation solutions for defense and critical industries. The company is dedicated to enhancing sensing, detection, and communication capabilities through the use of Coherent Distributed Networks (CDN). Its focus on detection and radar services supports the development of advanced defense products, allowing clients to access high-quality services tailored to their needs.

Moxion Power

Series B in 2022
Moxion Power specializes in the development of zero-emission generators and off-road equipment designed to meet temporary energy needs across various sectors. The company provides mobile power units that operate on electric power, featuring automatic swapping functionality. This innovation allows clients in industries such as construction, events and entertainment, utilities, electric vehicle fleet operations, and government agencies to access eco-friendly energy solutions efficiently. Moxion Power aims to support its clients in reducing their environmental impact while ensuring reliable power supply for diverse applications.

Natrion

Seed Round in 2022
Natrion LLC specializes in the design and manufacturing of sodium-ion batteries and solid-state electrolyte components. Founded in 2017 and headquartered in Greenwich, Connecticut, the company is focused on enhancing renewable energy storage solutions. Natrion has developed a plug-and-play solid-state electrolyte component known as LISIC, which can be quickly integrated into existing battery production lines. This innovation aims to eliminate fire risks, improve battery durability, and facilitate the use of advanced chemistries that enhance energy density. By providing universally compatible materials for solid-state batteries, Natrion supports the transition to efficient renewable energy systems.

FreshCut

Funding Round in 2022
FreshCut is a community-focused platform dedicated to gaming content, offering an application designed for streaming gaming videos. The platform provides users with personalized playlists that feature videos based on their favorite games, allowing them to stay updated on the latest clips from the content creators they follow. By prioritizing user engagement and tailored content, FreshCut aims to enhance the gaming experience for its community.

Genies

Series C in 2022
Genies, Inc. is a company specializing in avatar technology, enabling users to create personalized digital avatars for social media and messaging applications. By offering tools for designing avatars, avatar wearable fashion, and interactive experiences, Genies allows individuals to express their thoughts and feelings in a unique digital format. The company has gained significant traction among cultural influencers and has partnered with major music labels, serving as the official avatar provider for their artists. Genies has also launched consumer offerings, including an AR Developer Kit that facilitates the creation of interoperable avatar experiences in augmented reality. Their initial product, Silver Studio, allows users to design and trade digital fashion items. Founded in 2011 and headquartered in Venice, California, Genies has successfully raised substantial investment, positioning itself as a leader in the avatar space and driving engagement for brands through the sale of exclusive digital goods.

Venus Aerospace

Series A in 2022
Venus Aerospace is a startup aerospace company established in 2020 that specializes in hypersonic transportation. The company is dedicated to engineering solutions that enable one-hour global transport, aiming to connect the world more efficiently and safely. Venus Aerospace focuses on developing rotating detonation rocket engines and high-speed vehicles for various applications, including research, defense, and commercial missions. With a team of experts that includes PhDs, rocket scientists, and engineers, the company addresses significant challenges in aerospace by achieving speeds of up to Mach 9.

Vest

Seed Round in 2022
Vest is an app-based brokerage that wants to provide Latin American savers with access to American assets that are differentiated by product, pricing, and content. Latin Americans are known for saving, but many prefer to do so in cash or in zero-interest savings accounts.

Moxion Power

Series A in 2021
Moxion Power specializes in the development of zero-emission generators and off-road equipment designed to meet temporary energy needs across various sectors. The company provides mobile power units that operate on electric power, featuring automatic swapping functionality. This innovation allows clients in industries such as construction, events and entertainment, utilities, electric vehicle fleet operations, and government agencies to access eco-friendly energy solutions efficiently. Moxion Power aims to support its clients in reducing their environmental impact while ensuring reliable power supply for diverse applications.

Moxion Power

Seed Round in 2021
Moxion Power specializes in the development of zero-emission generators and off-road equipment designed to meet temporary energy needs across various sectors. The company provides mobile power units that operate on electric power, featuring automatic swapping functionality. This innovation allows clients in industries such as construction, events and entertainment, utilities, electric vehicle fleet operations, and government agencies to access eco-friendly energy solutions efficiently. Moxion Power aims to support its clients in reducing their environmental impact while ensuring reliable power supply for diverse applications.
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