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.
Jennifer Li is a General Partner at Andreessen Horowitz (a16z), where she leads infrastructure investments across data systems, developer tools, and AI. Born and raised in northwest China, she pivoted from international business to software engineering before joining a16z in 2018. Promoted to General Partner in April 2024 at age early 30s - making her the 27th GP at the firm - she now helps lead the $1.25B Infrastructure fund. Her portfolio includes early bets on ElevenLabs (backed Series A through D to $11B valuation), Fivetran, dbt, Mux, and MotherDuck.