Selena Deckelmann
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Selena Deckelmann is the Chief Product and Technology Officer at the Wikimedia Foundation. Before joining Wikimedia, she spent nine years at Mozilla and was most recently Senior Vice President, leading Firefox product and technology functions across desktop, mobile, web platform, and browser services; she also previously served there as Vice President for Firefox Desktop, Senior Director for Web Platform Engineering and Gecko Runtime, and Senior Manager for Gecko Security Engineering. Earlier in her career, she was a co-founder of Prime Radiant and Consulting Director of Development for The Ada Initiative. She is known for her work in open source technology, including being a Python Foundation Fellow and a former Major Contributor to PostgreSQL.
Updated 5 October 2026
Public sources: wikimediafoundation.org
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