Alfred Hellstern
Senior Product Manager at Microsoft
Redmond, Washington, United States
Summary
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Rockstar🎓
Top SchoolAlfred Hellstern is a Senior Product Manager based in Redmond with over three decades in the software industry and a focused seven-year trajectory in product and standards work at Microsoft. He specializes in Office file format standards, interoperability, and compliance—shaping Microsoft’s engagement with ECMA, ISO/IEC and OASIS and translating standards commitments into product feature decisions. His background spans localization, terminology stewardship, and managing global template and content workflows across 105 languages, giving him rare depth in both internationalization and technical policy. Alfred also maintains hands-on stewardship of developer-facing assets like the Open XML SDK and Office File Format documentation, bridging engineering, standards bodies, and privacy responsibilities. Collected language and localization experience from an MA in English and French informs his pragmatic, detail-oriented approach to clarity and compatibility across products.
7 years of coding experience
30 years of employment as a software developer
M.A., English and French Language & Literature, M.A., English and French Language & Literature at Albert-Ludwigs-Universität Freiburg im Breisgau
German, French, English, Italian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
xml10
docx10
sdk10
microsoft9
doc7
openxml7
Programming languages (3)
Github contributions (5)
dotnet/Open-XML-SDK
May 2021 - Oct 2021
Open XML SDK by Microsoft
Contributions:1 release, 55 reviews, 6 commits in 5 months
xmldocxsdkpptxopen-xml-sdk
mkaszewiak/open-xml-docs
Apr 2025 - Apr 2025
Doc repository for the Office OpenXML documentation.
Contributions:2 pushes in 1 day
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