AIN Ventures

Founded in 2020, AIN Ventures is a venture capital firm based in New York, focusing on early-stage investments. It specializes in dual-use technology and veteran-led startups.

Sherman Williams

Managing Partner and Co-Founder

Past deals in Defence

Proteus Space

Seed Round in 2025
Proteus Space designs and builds custom satellite buses and provides payload integration, including complete bus builds with payload installation, environmental testing and qualification, and licensing and insurance services for missions. The company also develops autonomous digital engineering and digital twin systems to support modeling, engineering and testing of custom satellites, enabling designers to model, engineer and test missions while reducing errors and increasing production speed.

Locus Lock

Pre Seed Round in 2025
Locus Lock is a global technology company specializing in advanced GPS solutions. It develops intelligent, software-defined GNSS receiver technology, delivering centimeter-accurate real-time positioning for both commercial and military applications. The company's expertise lies in capturing precise heading data for navigation and timing, along with advanced signal situational awareness and anti-spoofing capabilities, ensuring high-resolution location data.

Proteus Space

Seed Round in 2023
Proteus Space designs and builds custom satellite buses and provides payload integration, including complete bus builds with payload installation, environmental testing and qualification, and licensing and insurance services for missions. The company also develops autonomous digital engineering and digital twin systems to support modeling, engineering and testing of custom satellites, enabling designers to model, engineer and test missions while reducing errors and increasing production speed.

Lux Semiconductors

Seed Round in 2023
Lux Semiconductors develops crystalline thin-film semiconductors used in flexible integrated circuits and designs metal-core substrates intended to replace traditional organic and glass cores in advanced semiconductor packages. The company's patented platform improves heat dissipation, power delivery, electromagnetic shielding, structural stability, and signal integrity, enabling manufacturers across data-center processors, AI accelerators, aerospace and defense electronics, automotive systems, battery management, and medical devices to overcome performance bottlenecks.

Proteus Space

Pre Seed Round in 2022
Proteus Space designs and builds custom satellite buses and provides payload integration, including complete bus builds with payload installation, environmental testing and qualification, and licensing and insurance services for missions. The company also develops autonomous digital engineering and digital twin systems to support modeling, engineering and testing of custom satellites, enabling designers to model, engineer and test missions while reducing errors and increasing production speed.

Lux Semiconductors

Seed Round in 2022
Lux Semiconductors develops crystalline thin-film semiconductors used in flexible integrated circuits and designs metal-core substrates intended to replace traditional organic and glass cores in advanced semiconductor packages. The company's patented platform improves heat dissipation, power delivery, electromagnetic shielding, structural stability, and signal integrity, enabling manufacturers across data-center processors, AI accelerators, aerospace and defense electronics, automotive systems, battery management, and medical devices to overcome performance bottlenecks.

Inversion

Pre Seed Round in 2021
Inversion specializes in developing affordable, reusable spacecraft designed for commercial and defense industries. Their primary focus is creating autonomous re-entry vehicles to facilitate global cargo delivery, space station resupply, and resource return, aiming to make space exploration more accessible and sustainable.

Orbit Fab

Venture Round in 2020
Founded in 2018, Orbit Fab develops orbital propellant depots to expand operational potential of satellites. Its key products include Rapidly Attachable Fluid Transfer Interface (RAFTI) for on-orbit refueling and docking, and Rigid Tanker International Space Station prototypes.
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