Sebastian Wellsjo

Career path.

1. OpenAI

   Member of Technical Staff

   Apr 2026 - Present
2. ClassDojo

   Head of Analytics (data science, analytics engineering)

   Aug 2020 - Mar 2026
3. Instagram

   Data Science Manager

   Nov 2017 - Aug 2020
4. Instagram

   Senior Data Scientist

   Aug 2015 - Nov 2017
5. Facebook

   Senior Data Scientist

   Aug 2015 - Nov 2017
6. Spotify

   Analytics (MBA internship)

   Jun 2014 - Aug 2014
7. Analysis Group

   Senior Analyst

   Dec 2010 - Mar 2013
8. Analysis Group

   Analyst

   Jul 2009 - Dec 2010
9. Analysis Group

   Analyst Intern

   May 2008 - Jul 2008
10. Swedish-American Chamber of Commerce

    Marketing Manager Trainee

    May 2007 - Aug 2007
11. Electrolux Home Products

    Business-to-business Sales

    Jun 2006 - Aug 2006
12. Badoo.se

    Project Manager & Part of Board of Directors

    Jun 2005 - Jun 2006