Justin Slone

Justin Slone Email and Phone Number

Group Engineering Manager @ Microsoft
Seattle, WA, US
Justin Slone's Location
Seattle, Washington, United States, United States
Justin Slone's Contact Details
About Justin Slone

As an experienced engineering leader, I specialize in managing managers and building robust products, platforms, and systems from inception to scaling beyond. My passion lies in enabling customers to realize exceptional value through the solutions we create. I thrive on building cohesive teams and fostering collaboration, believing that alignment and strong relationships are key to long-term success.Currently, I lead the Fluent UI web engineering effort, where my teams develop the Fluent UI React and Fluent AI component libraries. The Fluent UI React library is integral to nearly all major Microsoft web products, while Fluent AI serves as the foundation for Copilot UX across Microsoft’s commercial offerings.Earlier in my career, I focused on document formats (XPS/OPC) and Windows APIs, honing my skills in C++, C#, and COM. I rebooted the Windows SDK samples and played a key role in delivering the first version of Windows Runtime (C++, C#). Additionally, I led Windows’ transition to a data-driven organization by developing data pipelines and metrics, including a comprehensive release metrics system (React, SQL, Azure).

Justin Slone's Current Company Details
Microsoft

Microsoft

View
Group Engineering Manager
Seattle, WA, US
Website:
microsoft.com
Employees:
231118
Justin Slone Work Experience Details
  • Microsoft
    Group Engineering Manager
    Microsoft
    Seattle, Wa, Us
  • Microsoft
    Principal Software Engineering Manager
    Microsoft Mar 2020 - Present
    Redmond, Wa
    I lead a cross-organization team delivering on Fluent UI implementations of the Fluent Design system for the web (React and Web Components). Fluent UI is the basis of most Microsoft web products, including Office, Teams, Outlook, Azure Portal, Power Platform, OneDrive, SharePoint, Loop, Clipchamp, Designer, and so on (https://github.com/microsoft/fluentui).Created Fluent AI team in collaboration with Design and PM team delivering the canonical UX implementation for Microsoft Copilot across products. Shipped React components focused on Copilot scenarios, moved quickly on tight timelines to deliver value into production based on evolving LLM capabilities. Tight connection and iteration responding to user research and customer feedback.
  • Microsoft
    Principal Software Engineering Manager
    Microsoft Jun 2017 - Mar 2020
    Redmond, Washington, United States
    Built out v2 of the Windows central health metrics dashboard (RQV) based on prior success of MeasurePoint dashboard. Influenced org-wide culture change to be data-driven in finding and fixing Windows bugs. Enabled a short and productive weekly CVP review of status and issues indicated by ~1000 health metrics in Windows. Also initiated and lead a team to build a v1 full-stack OKR tool with Key Results tied into the same metrics system, further pushing the data-driven culture of the organization forward. Owned vision collaborating with Design, PM, and partner teams in Azure.
  • Microsoft
    Principal Software Engineering Manager
    Microsoft Jun 2014 - Jun 2017
    Redmond, Washington, United States
    Lead a team that built a v1 full-stack (Web) reporting system from the ground up (MeasurePoint). Operated a fast-moving team within the Windows organization, grew adoption from 0 to over 50 teams across the Windows organization. Scaled SQL DB from 50MB to over 1TB of aggregate metric data.
  • Microsoft
    Senior Software Engineering Manager
    Microsoft Jun 2009 - Jun 2014
    Redmond, Washington, United States
    Lead a team of Software Engineers that owned quality of base types for Windows Runtime (String, Collections, Map, Error, etc.). Championed and drove reboot of SDK Samples for Windows 8 across the organization. Participated in Windows API design process driving consistency and coherence across new Windows Runtime APIs.
  • Microsoft
    Software Engineering Manager
    Microsoft Jun 2007 - Jun 2009
    Redmond, Washington, United States
    Lead two teams of software engineers that owned automation and validation tooling for Xml Paper Specification (XPS) and Open Packaging Conventions (OPC) file formats. Shipped large modern COM API surface in Windows 7 (600 methods, 50 classes). Drove unanalyzed failure analysis effort that resulted in significant improvements in Windows Client automation failure analysis rates.
  • Microsoft
    Software Engineer
    Microsoft Jun 2004 - Jun 2007
    Redmond, Washington, United States
    Worked on and shipped the Microsoft XPS Document Writer a Windows inbox print driver allowing any application to save documents in the XPS format. Conceived of, implemented, and shipped a novel method for XPS spec conformance which can both validate that produced documents meet the specification as well as that consumers produce errors on non-conformant documents.

Justin Slone Skills

C# Software Engineering Software Design Software Quality Assurance Agile Methodologies Software Development Test Planning .net C++ Visual Studio Scrum Software Project Management Distributed Systems Program Management Windows Azure

Justin Slone Education Details

Frequently Asked Questions about Justin Slone

What company does Justin Slone work for?

Justin Slone works for Microsoft

What is Justin Slone's role at the current company?

Justin Slone's current role is Group Engineering Manager.

What is Justin Slone's email address?

Justin Slone's email address is ju****@****2.oh.us

What schools did Justin Slone attend?

Justin Slone attended Florida State University.

What are some of Justin Slone's interests?

Justin Slone has interest in Mobile, Clean Technology, Health Care, Consumer Internet, Enterprise Software.

What skills is Justin Slone known for?

Justin Slone has skills like C#, Software Engineering, Software Design, Software Quality Assurance, Agile Methodologies, Software Development, Test Planning, .net, C++, Visual Studio, Scrum, Software Project Management.

Who are Justin Slone's colleagues?

Justin Slone's colleagues are Tammi Broughton, Mba, Rob Foulkrod, Gianna Maldonado, Ben Gillis, Sonali Maharana, Michael Tefa, Rashid Kp.

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