TechCrunch's 2025 brings three people who helped shape the modern internet to builders. On October 28th, Adam Bain, Dick Costolo, and David Fischer (now 01 Advisors) will seek exclusive fireside chats about what they need to build, expand and fund startups amid today's ever-changing landscape.
Before supporting breakout companies like Tipalti and Spoton, he was the operator behind some of the most iconic high-tech companies.
David Fischer – Former CRO of Meta, Fischer has expanded annual revenues from under $1 billion to over $100 billion, connecting 200 million companies with customers around the world. Previously, he built Google's initial sales engine.
Adam Bain – Former Twitter COO Bain has built its sales, product and advertising business from scratch, increasing revenues in millions to billions over five years.
Dick Costolo – Former CEO of Twitter, Costolo has expanded its 400% footprint, increasing annual revenue from $28 million to $2.25 billion. Previously, he founded Feedburner (acquired by Google).
Inside the fireplace: Scaling, fundraising, and what's next
This conversation is not just about what they did, but about where they believe Tech is heading next. Expect insight into the fit of the product market, intentionally scaling, fundraising in today's market, and what you're looking for when supporting 01A.
If you're building a company or betting on one, this is the blueprint for doing that with power. Celebrate Disrupt's 20th anniversary in Moscone West, San Francisco, October 27-29th. Sign up now and save up to $668 before the rate goes up on September 27th.
TechCrunch Events
San Francisco | October 27-29, 2025
Image credit: Kimberly White/Getty Image
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