Mark Downie
Principal PM Manager at Microsoft
Columbus, Ohio, United States
Summary
👤
Senior🎓
Top SchoolMark Downie is a Principal PM Manager at Microsoft with 10+ years of experience focused on reducing friction for everyday developers by improving Visual Studio’s IDE, debugging, and diagnostics tooling across .NET and Azure. He leads product teams responsible for core editing, diagnostics, authentication, performance, and extensibility, translating deep Windows and .NET internals knowledge into practical developer experiences. His background ranges from low-level SCADA and C++ work to leading high-availability banking platforms and mission-critical debugging using WinDbg, giving him rare breadth across embedded, enterprise, and developer tools domains. Based in Columbus, Ohio, he combines hands-on technical debugging expertise with strategic product leadership, and is known for turning complex platform constraints into smoother developer workflows.
10 years of coding experience
25 years of employment as a software developer
Computer aided Design and Manufacture (B. Eng) Electrical Engineering and Computer Science, Computer aided Design and Manufacture (B. Eng) Electrical Engineering and Computer Science at Birmingham City University
Stackoverflow
317reputation
8kreached
17answers
1question
Github Skills (35)
razor10
rss10
http10
mvc10
azure-functions10
dotnet10
blog-engine10
azure-app-service10
visual-studio10
app-service10
dasblog10
azure10
diagnostic-tool9
windows-live9
python8
Programming languages (9)
Github contributions (5)
poppastring/buggy-demo-code
Aug 2020 - Feb 2023
Making it easier to develop nontrivial bugs for demos...
Contributions:75 commits, 8 PRs, 77 pushes in 2 years 6 months
pythonmachine-learning
poppastring/dasblog-core
Oct 2017 - Jan 2023
The original DasBlog reimagined with ASP.NET Core
Contributions:39 releases, 4 reviews, 1059 commits in 5 years 3 months
dasblogblog-engineaspnet-corerazorrss
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