Justus Byok

A network for entrepreneurs building in stealth. Submit your information here so investors can find you: harmonic.ai/get-discovered

The world’s leading prediction market platform, where users trade on the outcomes of real-world events. By putting real money behind opinions, Polymarket cuts through noise, bias, and speculation to surface a single powerful signal: what people actually believe will happen. From elections and geopolitics to business, culture, and breaking news, Polymarket transforms headlines into live markets with constantly updating probabilities. The result is a real-time, crowd-driven forecast of the future — more dynamic and often more accurate than traditional polling or expert analysis. Polymarket provides clarity. Not through commentary, but through markets.

Erebor is a nationally chartered bank built for the next century of American innovation.

Ground combat is defined by unforgiving terrain, harsh conditions, and split-second decisions. At Overland AI, we enhance ground power while protecting lives. Our OverDrive autonomy stack enables ground vehicles to navigate off-road without GPS or direct operator control, while our OverWatch C2 interface provides commanders with precisely coordinated capabilities that are vital for complex missions on the modern battlefield. Overland AI is developing these capabilities and putting them into the hands of tactical operators today. Partnering with the U.S. Army, Marine Corps, SOCOM, DARPA, and DIU, we are delivering advanced solutions that reduce risk and empower soldiers to succeed in contested environments. Join us in shaping the future of ground operations and national security.

Starcloud is building data centers in space to address the AI energy challenge. Starcloud recently launched the first Nvidia H100 to space. Starcloud was founded in January 2024 and raised a $170M Series A in early 2026, becoming the fastest unicorn in YC history. Their backers include Y Combinator (S24), Benchmark, EQT, NFX, In-Q-Tel, the NVIDIA Inception Program, and the World Economic Forums Technology Pioneers. Starcloud White Paper: Starcloud.com/wp Starcloud Concept Video: Starcloud.com

Peace through Deterrence

Amca designs and manufactures advanced products for the most important aircraft in the world. We own a growing family of legacy aerospace suppliers across the country, including Electro-Mech Components, Cal-Draulics, Aerospace Control Products, Electrocube, and others.

Anduril is not a traditional defense contractor. We are shaping the future of defense, transforming US & allied military capabilities with advanced technology. We emphasize speed and results and control our products from start to finish, including funding R&D to selling finished products off the shelf. Today, Anduril is in a rapid growth phase, deploying technology in diverse locations and developing path-making products that will change defense forever. We believe that everyone at Anduril can be a catalyst. Your perspective can change lives, and we want to help you make your mark. Our team includes thinkers and doers working interdependently. We bring the brightest minds and best-in-class talent together with veterans who have lived the problems of our warfighters. If you like building quickly and seeing your work deployed in the real world, we want you at Anduril. With offices in Orange County, Washington DC, Seattle, Boston, Atlanta, London, and Sydney, our reach is wide. Check out our careers page at https://www.anduril.com/careers or send us an email at careers@anduril.com.

Were an AI research company that builds reliable, interpretable, and steerable AI systems. Our first product is Claude, an AI assistant for tasks at any scale. Our research interests span multiple areas including natural language, human feedback, scaling laws, reinforcement learning, code generation, and interpretability.

We find the best experts in every professional domain and put their knowledge to work training frontier models. Through APEX, we measure whether those models can actually perform economically valuable work. Were also bringing that expertise to enterprises: deploying custom AI agents, staffing teams with vetted domain experts, and helping organizations encode their own knowledge into AI systems.

Founded in 2015, Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide.

jobs@bot.co

Antler is one of the most active early-stage investors globally. The firm leads in ‘Day Zero’ investing, an approach to venture capital focused on partnering with founders pre-launch. Antler systematically removes capital and network constraints for early-stage technology entrepreneurs by providing co-founder matching, deep business model validation, initial capital, expansion support, and follow-on funding. The firm is present in 27 cities across most leading technology ecosystems globally and has made over 1,300 investments into early-stage startups. Antler has been repeatedly recognized by Pitchbook as the world’s most active angel and seed-stage investor.

We are building the engine that will power discoveries, drive progress, and redefine what computers—and human beings—are capable of.

A network for entrepreneurs building in stealth. Submit your information here so investors can find you: harmonic.ai/get-discovered

The world’s leading prediction market platform, where users trade on the outcomes of real-world events. By putting real money behind opinions, Polymarket cuts through noise, bias, and speculation to surface a single powerful signal: what people actually believe will happen. From elections and geopolitics to business, culture, and breaking news, Polymarket transforms headlines into live markets with constantly updating probabilities. The result is a real-time, crowd-driven forecast of the future — more dynamic and often more accurate than traditional polling or expert analysis. Polymarket provides clarity. Not through commentary, but through markets.

Plaid is a data network that powers the tools millions of people rely on to live a healthier financial life. Plaid works with thousands of companies like Venmo, SoFi, and Betterment, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use. Plaid’s network covers more than 12,000 financial institutions across the US, Canada, UK and Europe. Headquartered in San Francisco, the company was founded in 2013 by Zach Perret and William Hockey.

Erebor is a nationally chartered bank built for the next century of American innovation.

Ground combat is defined by unforgiving terrain, harsh conditions, and split-second decisions. At Overland AI, we enhance ground power while protecting lives. Our OverDrive autonomy stack enables ground vehicles to navigate off-road without GPS or direct operator control, while our OverWatch C2 interface provides commanders with precisely coordinated capabilities that are vital for complex missions on the modern battlefield. Overland AI is developing these capabilities and putting them into the hands of tactical operators today. Partnering with the U.S. Army, Marine Corps, SOCOM, DARPA, and DIU, we are delivering advanced solutions that reduce risk and empower soldiers to succeed in contested environments. Join us in shaping the future of ground operations and national security.