Sumana Harihareswara is an open source programmer and teacher. She was keynote speaker at Open Source Bridge in 2012, code4lib in 2014, and Wiki Conference USA in 2014.

She was most recently Senior Technical Writer at the Wikimedia Foundation, where she worked in the Engineering Community Team (formerly TLDR). She has worked at Collabora, GNOME, QuestionCopyright.org, Fog Creek Software, Behavior, and Salon.com, and contributed to the MediaWiki, AltLaw, Empathy, Miro, and Zeitgeist open source projects. She was a blogger at GeekFeminism and a member of the board of directors of the Ada Initiative, and was editor and release organizer for GNOME Journal. Harihareswara has presented at Foo Camp, PyCon 2014, Open Source Bridge 2013, Open Source Bridge 2012, Open Source Bridge 2011, Open Source Bridge 2010, several Wikimanias, and MindCamp Seattle 2008, and keynoted PICC. She has led or organized several Wikimedia hackathons, taught several courses at UC Berkeley, and performed at Bay Area stand-up comedy venues. She holds an MS in Technology Management from Columbia University and participated in the Recurse Center in 2013 and 2014, and lives in New York City.

If you want to keep up with her, you can check out Cogito, Ergo Sumana for blogging or @brainwane for microblogging.