Sean Ahrens

Sean Ahrens

Co-founder of Crohnology

San Francisco Bay Area

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Sean Ahrens's Overview

  • Co-founder at Crohnology
  • E-Patient Advisory Board Member at Stanford Medicine X
  • External Advisory Board Member at C3NProject
  • Web Developer at 1000Memories
  • Co-founder, Web & Mobile Developer at MessageParty
  • User Experience Designer at Votizen

500+ connections


Sean Ahrens' Summary

Democratizing medicine. Empowering patients to help find their cure.

I'm a programmer-designer-patient-startup-founder. At the core, I love Product.

My design skills include User Experience/Interaction Design.

My programming skills include Backend & Frontend Web Development (Ruby on Rails, HTML/CSS, JQuery/Javascript, PHP).

Sean Ahrens' Experience



Privately Held; 1-10 employees; Health, Wellness and Fitness industry

2011Present (3 years) San Francisco

Crohnology is turning patients into researchers. We empower any patient to contribute towards research for their cure.

We allow every patient to instantly tap into the knowledge and experiences of every other, so that every patient can learn how well treatments have worked for others, whether they are alternative, experimental, or prescription.

E-Patient Advisory Board Member

Stanford Medicine X

October 2011Present (3 years) Palo Alto, CA

Stanford Medicine X is a catalyst for new ideas about the future of medicine and emerging technologies.

External Advisory Board Member


September 2011Present (3 years 1 month)

C3N's goal is to connect patients, clinicians and real-time data to improve care across all chronic illnesses, facilitating earlier detection and diagnosis. C3N uses social media for chronic illness care, synthesizes emerging technologies, and builds mentoring networks online and in person.

Web Developer


Internet industry

October 2010February 2011 (5 months)

Co-founder, Web & Mobile Developer


February 2010September 2010 (8 months)

Y-Combinator funded mobile software startup that provides proximity-based messaging, allowing you to message people physically around you with your mobile phone.

User Experience Designer


Privately Held; 1-10 employees; Internet industry

November 2009January 2010 (3 months)

Votizen brings the authenticity of registered voters to social networks, providing a simple way to become civically engaged backed by the real-world power of a person’s voting record.

Co-founder, User Experience Designer


Privately Held; 1-10 employees; Internet industry

May 2009October 2009 (6 months)

Outspokes simplifies contract web design & development, allowing for dead simple visual communication between clients and the designers & developers who are building their website.

User Experience Designer, Developer


Privately Held; 1-10 employees; Health, Wellness and Fitness industry

October 2007May 2009 (1 year 8 months)

As a college project, developed a web-based medical information management system for patients with digestive illnesses that records and graphs patients’ symptoms with their reported treatments, revealing insight into their medical performance and providing the patient with a structured and sharable medical history.

Web Product Manager

Halogen Network

Privately Held; 51-200 employees; Marketing and Advertising industry

February 2008July 2008 (6 months)

Fully designed and directed the development of an online marketplace for private aircraft: performed competitive analysis, designed site flows & UI sketches, proposed database schema, wrote technical specs, and directed the project’s lead developer. Product managed existing Jets site: spec’ed out improvements, managed tickets, QA’ed, and analyzed & responded to traffic data. Reported directly to SVP Operations.

Web Designer & Developer

World Class Shows

January 2006May 2008 (2 years 5 months)

Designed and developed an array of internet solutions for this company, including the company website and the online contract and payment system for businesses wishing to exhibit at their shows.

Web Development Intern

Halogen Network

Privately Held; 51-200 employees; Marketing and Advertising industry

June 2007August 2007 (3 months)

Managed side projects for the head developer of this web startup. Developed new features, debugged existing ones, improved user interfaces, tweaked CSS styles, designed web graphics, and performed SEO functions.

Nonprofit; 11-50 employees; Nonprofit Organization Management industry

August 2005May 2007 (1 year 10 months)

Designed an extensive web-based communications solution for my fraternity, complete with brother profiles, an editable calendar, file and picture uploading, a public scholarship application, automated account registration, and an extensive content management system. Received Delta Upsilon International’s Outstanding Website Award (#1 out of 80 chapter websites).

Nonprofit; 11-50 employees; Nonprofit Organization Management industry

August 2005May 2006 (10 months)

Managed a $23,000 budget. Organized, scheduled, and directed the setup of over 40 social events, including a once-annual party with a $6,500 budget and recorded attendance of over 1,000. Managed logistics around supplies, entertainment, food & beverages, capacity, safety & legal regulations, cost, security, and promotion.

Sean Ahrens' Test Scores

  • SAT Math

    • 2004
    • Score: 800/800

Sean Ahrens' Skills & Expertise

  1. Ruby on Rails
  2. CSS
  3. HTML
  4. jQuery
  5. jQuery UI
  6. JavaScript
  7. PostgreSQL
  8. SQL
  9. REST
  10. PHP
  11. TI-BASIC
  12. Lisp
  13. Java
  14. C Programming
  15. Heroku
  16. Software Development
  17. Human Computer Interaction
  18. User Experience Design
  19. Interaction Design
  20. User Experience Testing
  21. Visual Design
  22. Private Pilot
  23. C
  24. Objective-C
  25. Start-ups
  26. Web Development
  27. User Experience
  28. Lean Startup
  29. Node.js
  30. HTML 5

View All (30) Skills View Fewer Skills

Sean Ahrens' Education

University of California, Berkeley

BS, Business Administration, Computer Science Minor


Honors at Graduation
Management of Engineering & Innovation Certificate
Haas Community Fellow

Activities and Societies: Berkeley Innovation (Cal's Product Design Association), Men's Ultimate Frisbee, Delta Upsilon Fraternity

Van Nuys Flight Center

Aircraft Pilot (Private)


Sean Ahrens' Languages

  • English

    (Native or bilingual proficiency)
  • Spanish

    (Limited working proficiency)

Sean Ahrens' Additional Information


Bicycling, Aviation, Ultimate Frisbee, Disc Golf Tea, Nutrition

Groups and Associations:
Honors and Awards:

Haas Community Service Fellow, 2009
UCB Pharmaceuticals Scholarship, 2008
Delta Upsilon Outstanding Website Award, 2007

Contact Sean for:

  • career opportunities
  • consulting offers
  • new ventures
  • job inquiries
  • expertise requests
  • business deals
  • reference requests
  • getting back in touch

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