YC Spring 2026 (P26) founder

George Favvas

Founder of Clara, AI primary care doctor

Company

George Favvas is listed as a founder of Clara. Clara is an AI primary care and longevity practice from the team that founded and grew Circle Medical to $100M in revenue. Our mission at Clara is to add one billion years of healthspan to humanity. We do this with an AI with deep clinical knowledge, coupled with the ability to sift through medical data to detect trends and patterns that could be missed. Unlike Claude or ChatGPT, Clara can see your medical data and then act. Chat with Clara as you would a doctor and Clara can help with you make sense of symptoms, get medication refills, order and understand labs, and achieve health goals. Medical recommendations are preliminary until one of our human medical providers in the loop reviews and approves them.

Founder traction evidence

Public posts and activity attributed directly to this founder.

  1. LinkedIn

    Everyone asks why I did Y Combinator twice.

    Everyone asks why I did Y Combinator twice. My response: I can't think of a reason *not* to. To be in a YC batch is the experience of a lifetime. And I get to do it twice? In 2015, Circle Medical went through YC. We grew it past $100M in annualized revenue. By the time I...

  2. LinkedIn

    I got to YC for office hours early today.

    I got to YC for office hours early today. Walked down to the water in Dogpatch. Can’t get over how beautiful it is here. But nobody around. Half the buildings are still abandoned. Cranes everywhere. You can smell the concrete dust if the wind shifts. And you can see the sky....

  3. X

    Come see the @askclarahealth team at @ycombinator demo day today!

    Come see the @askclarahealth team at @ycombinator demo day today!

  4. X

    First ride in a @Waymo Ojai.

    First ride in a @Waymo Ojai. Once the steering wheel goes away and they flip the front seats around this is going to be a great experience for small groups. Whatever your contribution to this @reed - amazing work.

  5. X

    I got to YC office hours early this morning and walked down the water in Dogpatch. Abandoned buildings. Cranes. Quiet. You can still see the sky here. In ten years you won’t be able to. I like being early.

    I got to YC office hours early this morning and walked down the water in Dogpatch. Abandoned buildings. Cranes. Quiet. You can still see the sky here. In ten years you won’t be able to. I like being early.

  6. X

    The @askclarahealth team will be at the @pioneer_fund Inflection event tonight.

    The @askclarahealth team will be at the @pioneer_fund Inflection event tonight. Stop by for swag, discount codes and preventive blood draws for the brave few. https://t.co/pd74i9gbvP

  7. X

    This energy is just unreal

    This energy is just unreal

  8. X

    Every decade, there is a big company founders are told to fear.

    Every decade, there is a big company founders are told to fear. 1990's: What if Microsoft bundles this in Windows? Didn't matter to Intuit. 2000's: What if Google gives it away for free? Didn't matter to Dropbox. 2010's: What if Amazon builds it? Didn't matter to Shopify.