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Sean Ahrens - Crohnology. San Francisco, CA, US

Sean Ahrens Sean Ahrens

Co-founder, Designer, Developer | Crohnology

San Francisco, CA, UNITED STATES

Patient, Entrepreneur, Software Designer & Developer









Sean is the designer and developer of, a social health network for patients with Crohn's & Colitis. Crohnology lets patients share and learn what treatments work for others, track their health, and meet others near them. Sean runs the SF Bay Area Crohn's & Colitis Meetup Group ( and is a frequent counselor at Crohn's & Colitis summer camps where he mentors youth with IBD. Sean blogs about Crohn's & Colitis and patient-centered health tech at and tweets at @Crohnology.

Prior to Crohnology, Sean cofounded and was lead developer of YC-funded MessageParty. Sean studied Computer Science and Business at UC Berkeley, and has led software design and development at startups including 1000Memories, Votizen, and Halogen Network.

Sean is also a private pilot and a touring cyclist.

Industry Expertise (6)

Computer Software Design Media - Online Consumer Services Research Health and Wellness

Areas of Expertise (6)

Patient-Centered Health Quantied Self Self Tracking Entrepreneurship Patient Communities Consumer Internet

Education (1)

UC Berkeley: Computer Science, Business 2009

Event Appearances (2)


Medicine 2.0  Stanford, CA


Quantified Self 2011  Mountain View, CA

Sample Talks (3)

Self-Tracking Pig Whipworm Inoculation as a Treatment for Crohn's Disease

How my experience as a patient with Crohn's Disease fueled my desire to build

How Healthcare Organizations can work together on Patient-Centered Web Communities


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