
After two decades making live media feel effortless, the 100ms co-founder is applying the same instincts - low latency, careful handoffs, and relentless edge-case testing - to the conversations that move patients through care.

A university research project became a developer platform, an Emmy-winning encoding technology, and a lesson in how open work can travel farther than guarded ideas.
Stefan Lederer and his co-founders helped write MPEG-DASH during their PhDs. Then they built a company on top of it - and won an Emmy for the encoding tech that keeps modern streaming from choking.
Livepeer is an open, permissionless network that turns idle GPUs around the world into a decentralized marketplace for video infrastructure. Founded in 2017 by Doug Petkanics and Eric Tang, it began as a low-cost alternative to centralized video transcoding and has since expanded into real-time AI video - letting developers generate, transform and interpret live streams on a token-incentivized GPU network rather than expensive cloud providers.
Mux is the video API for developers. The San Francisco company gives engineers a simple set of endpoints for live streaming, on-demand video, encoding, playback, and quality-of-experience analytics, so they can ship video features without rebuilding the streaming stack from scratch.
Jon Dahl is the co-founder and CEO of Mux, a developer-first video infrastructure platform that powers video at scale for companies like Robinhood, PBS, and ViacomCBS. A serial founder who sold Zencoder to Brightcove for $30M in 2012 and co-created Video.js — the most widely deployed open-source video player on the web — Dahl has spent two decades turning the complexity of online video into simple, powerful APIs for developers. Mux has raised $173.9M in total funding, achieved unicorn status in 2021, and processes several billion monthly video streams.
Steve Heffernan is the co-founder and product architect at Mux, the developer-first video infrastructure platform, and creator of Video.js - the open-source HTML5 video player powering playback on Amazon, LinkedIn, Instagram, and Dropbox with over 38,700 GitHub stars. Previously co-founded Zencoder (YC W10), the cloud video encoding startup acquired by Brightcove for $30M in 2012. A self-described hacker on video, he is now leading the ground-up rebuild of Video.js v10 at Mux, which raised $105M Series D in 2021.