Introducing Cosign
The a16z Show
The Reputation Graph of Silicon Valley | Introducing Cosign
- Published
- September 25, 2026
- Duration
- 50:23
- Summary source
- description
- Last updated
- Oct 4, 2026
Discusses a16z’s Erik Torenberg sits down with Josh Elman, Olivia Moore, and David Booth to introduce Cosign, …
Summary
a16z’s Erik Torenberg sits down with Josh Elman, Olivia Moore, and David Booth to introduce Cosign, a new product built around professional reputation and the people, companies, and products you’re willing to put your name behind.They unpack a simple idea at the heart of Silicon Valley: some of the most valuable professional signals aren’t credentials, bu…
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Show notes
a16z’s Erik Torenberg sits down with Josh Elman, Olivia Moore, and David Booth to introduce Cosign, a new product built around professional reputation and the people, companies, and products you’re willing to put your name behind.They unpack a simple idea at the heart of Silicon Valley: some of the most valuable professional signals aren’t credentials, but who believes in you. From the mentor who shaped your career to the colleague you’d work with anywhere or the young builder you think everyone