Cathy Sullivan
Principal Product Manager Lead at Microsoft
Seattle, Washington, United States
Summary
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Rockstar🎓
Top SchoolCathy Sullivan is a Principal Product Manager Lead at Microsoft with 11 years of experience shaping developer platforms and tooling from Seattle. She currently leads the .NET Runtime, Libraries and AI/Big Data PM team, driving product strategy that connects runtime performance with emerging AI and data workloads. Previously she led Visual Studio Acquisition and Retention, focusing on developer onboarding and community growth to increase long-term engagement. Cathy blends deep product leadership with a developer-centric mindset, prioritizing both technical fidelity and developer experience. Her background reflects a long-term commitment to developer ecosystems and an ability to translate platform-level investments into measurable adoption. Trained at Northeastern University, she brings a practical, metrics-driven approach to evolving large-scale developer products.
11 years of coding experience
Bristol Central High SchoolB.S., B.S. at Northeastern University
Stackoverflow
29reputation
28kreached
1answer
0questions
Github Skills (30)
dotnet10
visual-studio-extension10
dotnet-core10
csharp10
windows9
visual-studio9
sdk8
xamarin8
linux8
git7
desktop7
github7
azure7
cli6
iot6
Programming languages (3)
Github contributions (5)
microsoft/willow
Mar 2016 - Mar 2016
Contributions:21 commits, 1 PR, 18 pushes in 13 days
cathysull/Sandbox
Jan 2015 - Apr 2015
Contributions:5 pushes in 3 months
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