America's Frontier Fund
Venture capitalArlington · Pre-Seed–Growth · 13 people tracked
Also known as AFF FUNDS, LLC · AMERICA'S FRONTIER MANAGEMENT, LLC
Investment thesis
America's Frontier Fund invests in founders solving hard problems in deep tech, framing this as a moment of global strategic competition driven by science and technology. It targets domains others avoid — too regulated, capital-intensive, or far from consensus — where complexity hides scale and progress comes in decisive advances. The firm focuses on compute (microelectronics, infrastructure, networks), biology platforms, energy generation/storage/delivery, and manufacturing that rebuilds domestic production capacity. Beyond capital, it addresses demand as a key constraint, helping form markets through relationships, partnerships, and pathways to procurement. It highlights that government-backed companies have produced roughly a quarter of unicorns and positions founders to benefit from that tailwind.
Source: firm website, verified Aug 11, 2026.
Team · 13 people
from the firm's website & public directories
What they invest in
from 11 of 17 portfolio companiesAdvanced Manufacturing ×4Deep Tech ×4Energy ×3New Materials ×3Biotech ×2Cleantech ×2Defense Tech ×2Hardware ×2
HQs:United States×8
Investments · 17 tracked
founders shown can be your intro pathFoundation Alloy engineers custom metal alloys and components using solid-state processing that avoids melting, enabling microstructures and contaminant control that conventional metallurgy cannot achieve.
Advanced ManufacturingDeep TechNew Materials
Jasper Lienhard(Cofounder)
Antheia manufactures biosynthetic active pharmaceutical ingredients and key starting materials for essential medicines using advanced fermentation-based biosynthesis, replacing traditional agricultural sourcing to improve pharmaceutical supply chain reliability.
Advanced ManufacturingBiotechMedical DevicesMenlo Park, US
Ram Shriram(Director)Catherine Thodey(Director)Christina D. Smolke(Executive Officer, Director)
BlueX Industries coordinates a network of vetted U.S.-based contract manufacturers to provide sourcing, production, assembly, testing, and distribution as a single accountable partner.
Advanced ManufacturingDefense TechLogistics & Supply Chain
Halo Materials produces high-purity battery-grade and nuclear-grade graphite from domestic hydrocarbon feedstocks using a proprietary synthesis process, aiming for cost-parity with overseas incumbents.
CleantechEnergyNew Materials
Heatflow develops advanced turbine and power conversion technology to enable the trilateral flash cycle, extracting more electricity from geothermal brine at existing plants.
CleantechClimate TechEnergy
iCOUNTER provides CTOS (Counter Threat Operating System), a platform that detects active threats targeting an organization's third-party vendors, suppliers, MSPs, SaaS providers, and broader digital ecosystem in near real-time.
CybersecurityEnterprise SoftwareSaaS
Irvine, US
Palmer Lucky(Executive Officer, Director)Torin Herndon(Executive Officer, Director)
OmniBuds is developing an earbud platform that combines premium audio with continuous cardiovascular sensing, using ear-based signals such as PPG, acoustics, motion, and temperature to track patterns related to blood pressure, heart rhythm, vascular tone, stress, and circadian rhythm.
Digital HealthHardwareHealthtech
Reimagining underground power transmission through self-propelled cable systems.
Perseus Materials manufactures large-scale composite parts without molds or tooling using fast-curing resins and continuous fibers.
Advanced ManufacturingHardwareNew Materials
Revalia uses AI to transform donated human organs and tissues into biological datasets and clinical insights for drug and device development.
AI & Machine LearningBiotechDeep TechNew Haven, US
Greg Tietjen(Co-Founder & Chief Executive Officer)Jenna DiRito(Co-Founder)Kourosh Saeb-Parsy(Co-Founder)
BoardMilad Alucozai(Director)Brian Wilcove(Director)
Roadrunner Venture Studios is a venture studio that builds and invests in deep tech startups across energy, advanced manufacturing, quantum, and advanced materials.
Deep TechEnergyQuantum Computing
Extracting critical metals using high-voltage physics without moving the mountain.
Venus develops rotating detonation rocket engines (RDRE) and air-breathing ramjet systems for space, defense, and high-speed flight applications.
Deep TechDefense TechSpace TechTexas, US
Portfolio news
latest coverage across their companiesModRetro · techspot.com · Jul 30, 2026
Revalia Bio, Inc. · prnewswire.com · Feb 24, 2026
Antheia · fiercepharma.com · Jan 28, 2026
Frequently asked questions
- What stage does America's Frontier Fund invest at?
- America's Frontier Fund invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
- What is America's Frontier Fund's typical check size?
- America's Frontier Fund typically writes checks of $500K – $10M.
- What sectors does America's Frontier Fund focus on?
- America's Frontier Fund focuses on Advanced Manufacturing, AI & Machine Learning, Biotech, Deep Tech, Defense Tech, Energy, Hardware, Semiconductors.
- Where is America's Frontier Fund located?
- America's Frontier Fund is headquartered in Arlington, US.
- Does America's Frontier Fund lead rounds?
- America's Frontier Fund typically participates in rounds rather than leading them.
Images
Co-investors · 10
Sierra Ventures is an early-stage venture capital firm that invests in first-principles founders, backing companies from inception through Series A across AI infrastructure, applied/vertical AI, deep tech, and physical/embodied AI.
New Enterprise Associates (NEA) is a venture capital firm that invests in and provides long-term support to founders building new companies.
Norwest is a venture and growth equity investment firm that has backed over 700 companies across sectors including AI, retail, and healthcare, working alongside entrepreneurs from early to late-stage growth.
Afore Capital is a $500M pre-seed venture fund that invests in pre-traction, early-stage companies, leveraging product and investment expertise to support founders from day zero.
Two Sigma Ventures has rebranded and is now known as Deviation Capital; the page directs visitors to the new website.
Vibe Capital (Vibecap) is a venture firm investing in AI, Web3, and deep tech startups, aiming to back founders building more equitable, transparent, and accessible structures.
Comcast Ventures is the venture investing arm of Comcast NBCUniversal, backing early- to growth-stage companies across sectors relevant to Comcast's future business, and offering portfolio companies access to the parent company's expertise, scale, network, and resources.
The House Fund is a pre-seed and early-stage venture capital fund backing startups founded by UC Berkeley alumni, faculty, students, and affiliates.
Neotribe Ventures is a venture capital firm that invests in early and growth-stage entrepreneurs solving complex, high-impact problems, backing bold and unconventional 'category-defining' ideas.
Matter Venture Partners is a venture capital firm focused on HardTech, combining deep operational experience and relationships with industry leaders to help HardTech startups scale.
Firms observed investing alongside America's Frontier Fund, from public investor directories. Shared companies are the overlap with America's Frontier Fund's recorded portfolio.
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