About Us

Sumana Harihareswara

Sumana Harihareswara is an open-source software contributor (GitHub) and project manager with over a decade of experience in the software industry. Her past leadership in nonprofit, academia, industry, and volunteer organizations earned her an Open Source Citizen Award in 2011 and the Google Open Source Peer Bonus in 2018. She lives in New York City and founded Changeset in 2015.

Harihareswara frequently speaks and writes about open source and management; she was keynote speaker at Open Source Bridge in 2012, code4lib in 2014, LibrePlanet in 2017, and SeaGL in 2022.

Prior to founding Changeset, Harihareswara was Senior Technical Writer and Engineering Community Manager at the Wikimedia Foundation. She has also managed projects at Collabora, GNOME,,Fog Creek Software (now Glitch), Behavior, and Harihareswara served on the board of directors of the Ada Initiative and the Global BIPOC advisory board for MetaFilter, and was a Visiting Scholar at the Secure Systems Lab at New York University. She currently serves as chair of the Otherwise Award Motherboard.

She holds an MS in Technology Management from Columbia University and a BA in political science from the University of California, Berkeley. She was a member of the Python Packaging Authority and is a member of the Python Software Foundation's Packaging Working Group and Project Funding Working Group, and is a certified Software Carpentry and Data Carpentry instructor. She participated in the Recurse Center in 2013 and 2014.


About the team

Changeset project teams include or have included:

Heidi Waterhouse

Technical writer and developer advocate

Expert in information structure and presentation and in developer experience.

Kate Chapman

Community and project manager

Expert in open data and open source communities and in formal governance.

Jenny Ryan

Researcher and project manager

Expert in engineering-focused nonprofits, community consensus-building, and event organizing.

Mel Chua

Researcher and developer

Expert in engineering learning, open source communities, and research grants and execution.

Dr. Zack Weinberg

Security expert

Expert in systems engineering, internet censorship, and package and build management.

Frances Hocutt


Experienced in Python, systems and web API engineering

Laura Hampton


Experienced in Python