Jacob Cohen Donnelly is the founder of A Media Operator, a subscription publication, podcast, and conference for the people who run digital media companies. He started it in August 2019 as a weekend Substack while holding down full-time roles at CoinDesk and then Morning Brew, where he became Publisher. In 2024 he went all-in, rebuilt AMO into a five-person media business doing roughly $1 million in revenue, and turned the annual AMO Summit into the room media executives consider essential to be inside.
Ben Springwater is the Co-Founder and CEO of Matter, a beautifully designed reading app that consolidates articles, newsletters, and emails into one distraction-free experience. A Stanford MBA and former Nextdoor product lead, Ben built Matter through Y Combinator's Summer 2020 batch and raised $9.15M from Google Ventures and others. Known for his philosophy that 'the details add up,' he steers Matter toward slow, steady growth for discerning readers rather than chasing scale - a conviction tested and hardened by personal health challenges in 2024 that led him to reimagine both his company and his life.
Chris Best is the co-founder and CEO of Substack, the subscription newsletter platform that has paid out hundreds of millions of dollars to independent writers. A systems engineer turned serial entrepreneur, Best previously co-founded Kik Messenger, scaling it to 300 million users before pivoting to rewrite the economics of media. Substack - which he launched in 2017 with Hamish McKenzie and Jairaj Sethi - has grown to over 5 million paid subscriptions, raised $213M in total funding including a $100M Series C in 2025, and minted more than 50 creators earning over $1 million annually on the platform.
Hamish McKenzie is the New Zealand-born co-founder and Chief Writing Officer of Substack, the subscription newsletter platform that has fundamentally reshaped how writers monetize their work. A former journalist and Tesla lead writer who wrote a book about Elon Musk's EV revolution, McKenzie pivoted from covering disruption to causing it - co-founding Substack in 2017 with Chris Best and Jairaj Sethi. Today the platform hosts over 50,000 earning creators and has raised $213 million total funding including a $100M Series C. McKenzie hosts The Active Voice podcast, delivered a TED2025 talk on the future of media, and is writing a book called 'How to Save the Media' due in 2026.
Kevin Lee is an executive at Substack, the subscription newsletter and media platform based in San Francisco that reached unicorn status with a $1.1 billion valuation in 2025 after raising a $100 million Series C. Substack has grown to host over 50,000 paid publications, with creators collectively earning more than $600 million annually and 20+ million monthly active subscribers on the platform.
Substack is a subscription publishing platform that lets writers, podcasters, and video creators run paid newsletters and own the direct relationship with their readers. Founded in 2017, the company hosts thousands of paid publications, processes hundreds of millions in subscription revenue annually, and has become the default home for independent media on the internet.
Haje Jan Kamps is a Dutch-born journalist, serial founder, and pitch coach who turned a decade covering startups for TechCrunch into an AI-powered pitch deck review service. Best known for his long-running 'Pitch Deck Teardown' series analyzing real decks from companies that raised $125K to $500M, he now runs Pitch Guide - an AI tool that reviews startup pitch decks against 250+ criteria. A former hardware founder (Triggertrap), VC portfolio director (Bolt), and prolific author of 8+ books, he brings rare operator-journalist-investor perspective to early-stage startup fundraising.
Erik Torenberg is a General Partner at Andreessen Horowitz (a16z), where he joined in April 2025 after a16z acquired his media network Turpentine. A serial founder and investor, he was a first employee at Product Hunt, co-founded Village Global (a $100M VC fund backed by Jeff Bezos and Mark Zuckerberg), founded On Deck (a fellowship network for founders), and built Turpentine into a leading tech media network before its acquisition. Known for his wide-ranging intellectual curiosity spanning technology, culture, politics, and philosophy, he now leads a16z's media and ecosystem efforts including the New Media Fellowship and the live news venture MTS.