YC Spring 2026 (P26) founder

Ethan Kinnan

Founder of Sherpa, Make websites improve themselves.

Sherpab2b6 public signals

Company

Ethan Kinnan is listed as a founder of Sherpa. Sherpa automatically optimizes websites for every human and every agent. For humans, Sherpa studies visitor behavior, builds better pages and flows, tests them on live traffic, and keeps what converts. For AI agents, Sherpa tests different agent-facing versions of the site until agents recommend the company more often. Customers typically see a 15-20% lift in their primary conversion metric after using Sherpa for 30 days.

Founder traction evidence

Public posts and activity attributed directly to this founder.

  1. X

    POV: you run sol and fable all night and ask your CTO to review a quick PR

    POV: you run sol and fable all night and ask your CTO to review a quick PR

  2. X

    here we go

    here we go

  3. X

    have 6 kimis re-doing our website

    have 6 kimis re-doing our website

  4. X

    finally starting to use Dario’s marketing playbook

    finally starting to use Dario’s marketing playbook

  5. X

    Live from YC: @garrytan rallying the troops before demo day

    Live from YC: @garrytan rallying the troops before demo day

  6. X

    Chris is the goat! We are lucky to work with him

    Chris is the goat! We are lucky to work with him