Elizabeth Weil on Hypergrowth at Twitter, AI Valuations, and What Makes Great Founders

Elizabeth Weil, founder and Managing Director of Scribble Ventures, sits down with Glenn Solomon for a conversation about what makes great founders, common mistakes in the AI era, and the future opportunities Elizabeth is most excited about.

Glenn Solomon

February 5, 2026

Host Glenn Solomon sits down with Elizabeth Weil, founder and Managing Director of Scribble Ventures. Elizabeth shares her remarkable journey from early venture roles to helping scale Twitter from 50 to 3,000 people, building the market development function at Andreessen Horowitz, and ultimately founding Scribble Ventures. She discusses her transition from prolific angel investor (100 companies, 23 unicorns) to managing institutional capital, the breakout success of investments like Whatnot, and her perspective on today's frothy AI market. The conversation explores what makes great founders, common mistakes in the AI era, and the future opportunities Elizabeth is most excited about.

Timestamps:

0:00 – Episode Overview & Introduction to Elizabeth Weil

1:06 – Early Career in Venture Capital at Menlo & IVP

3:38 – Cold-Calling Odeo & First Encounter with Twitter

4:28 – Joining Twitter & Building Corp Dev During Hypergrowth

6:27 – Twitter's Cultural Impact & Creating a "Public Utility"

8:51 – Experience at Andreessen Horowitz & Market Development

10:59 – Advising Startups on Selling to Enterprise

12:09 – Meeting Kevin & The Origin Story of Scribble

14:14 – Building a Personal Angel Portfolio of 100 Companies

15:38 – The Decision to Raise Scribble's First Fund

18:31 – Early Investment in Whatnot & Returning Fund I