Matthias Wagner

Somewhere in San Francisco, Matthias Wagner is watching an AI lay out a circuit board that took his engineers three weeks to design manually - and doing it in six minutes. Flux, his company, is the thing he built for this exact moment: a browser tab where text becomes hardware. No schematic software installed. No datasheet crawling. No months of back-and-forth with a contract manufacturer. Just a prompt, and then a board.

Wagner is German, which matters in ways he does not advertise. He was trained in systems and telecommunications engineering - first at Otto-Hahn Schule, then at Siemens AG - in an era when European engineering education still ran on rigor rather than hustle. He started his first company at 24, building a digital signage startup called 42 media group out of a rented garage in a friend's backyard in Germany. No investors. No runway. Just the garage. He won Germany's Entrepreneur of the Nation award anyway.

Then he made a frog famous. As a songwriter, producer, and record label owner working with Universal Music, Sony, EMI, and BMG, Wagner co-produced the Crazy Frog cover of "Axel F" - a 2005 ringtone rework that became a cultural event. It knocked Coldplay off the #1 spot on the UK charts. The YouTube video now sits at nearly 3.8 billion views. His music across that decade sold over a billion units globally, earning platinum and gold records. The frog is not on his LinkedIn headline but it is in the room whenever someone asks how he got here.

He left music for product management and found himself at Facebook, eventually leading the Moments App team and working on AR ads and Oculus VR. That is where he learned what it feels like when tooling actually fits the task at hand - when software is invisible and creation is everything. Hardware design, by contrast, was anything but invisible. The tools were clunky, desktop-only, priced for aerospace firms, and unchanged for decades.

The specific frustration crystallized at Burning Man. Wagner had been building modular off-grid systems for his camps for years - sound systems, electrical setups, the kind of thing that requires circuit board design if you want to do it properly. Every time, the tooling fought him. In 2018, at a camp called Hotel California, he was leading construction of an open-sourced three-story structure made from interlocking wooden segments - and across the camp, he met Francisco Gimenez from 8VC. Years later, Gimenez would lead Flux's Series B.

Wagner founded Flux in October 2019 with co-founders Christian Blank (CTO) and Lance Cassidy (Chief Experience Officer). The pitch was simple and ambitious: make electronics design work the way software development does today - collaborative, browser-based, fast, and increasingly automated. The comparison to Figma was made often and was not wrong. The first five years were not easy. The company operated for years without meaningful revenue. Wagner calls it an honest apprenticeship.

Flux is not a PCB tool with an AI button bolted on. It was designed from the start as an AI-native hardware platform - the whole stack rearchitected around what machine learning makes possible. The AI Hardware Engineer, launched in 2025, handles the full workflow: natural language requirements, component selection, schematic creation, error checking, component placement, and board routing. Start with a sentence. End with a manufacturable board.

The comparisons Wagner gets most often are to vibe coding - the trend of generating software through natural language - and he does not resist them. "You can prompt an iPhone-class device into existence," he has said, drawing a direct line between what Cursor does for code and what Flux does for hardware. The difference is that hardware has a physical supply chain attached, which means the AI needs to know what components actually exist and are actually in stock. Flux has built the world's largest eCAD parts library to make that possible.

Real-world results have followed. A space startup used Flux to design a satellite mission board that launched successfully. A vending machine manufacturer reduced costs and simplified installation. A radio frequency engineer reported a 2-4x productivity increase through streamlined component reuse. When Wagner says "when it works, it's magical," he is describing something his users report back to him constantly.

The Copilot Knowledge feature, launched in 2025, added another layer: the AI learns how you work. It picks up your component preferences, your naming conventions, your review process. It asks permission before saving an insight. Over time, it behaves less like a general-purpose assistant and more like a senior engineer who has sat next to you for a year.

The 110-person company is backed by investors who have seen platform shifts before. Figma board member John Lilly and GitHub founder Tom Preston-Werner are on the cap table. That combination of design-tool pedigree and developer-platform thinking is deliberate. Wagner is building the horizontal layer under electronics design the same way Figma became the horizontal layer under product design.

Wagner's career does not fit a single template, which is probably why he ended up where he did. Three distinct chapters - entrepreneurship, music, and big tech product management - gave him a range that most hardware startup founders simply do not have. He understands what a consumer hit feels like (1 billion units sold). He understands what it means to ship products at Facebook scale (hundreds of millions of users). And he understands what it means to build something from nothing in a garage (42 media group, Hochzeit.de).

He also co-founded and served as CTO of Hochzeit.de, a German wedding platform, deepening his full-stack experience before crossing the Atlantic. At General Assembly, he taught product management. At Singularity University, he mentored. The instinct toward teaching shows up in how Flux is built: it is designed to explain itself, to show users why a component was chosen, to invite collaboration rather than replacing engineers wholesale.