Who am I?

Personal Details

  • Name: David Los
  • Date of birth: 6 February 1984
  • Phone: (425) - 457 - 3356
  • Email: dave@davidlos.com

Profesional Profile

I’m a Product Manager and a trained Engineer. Over my 10+ years in the tech industry, I’ve worked on a mix of consumer and enterprise focused products/services. These include Office 365, Microsoft Outlook, Microsoft Exchange, Outlook.com, and a variety of incubator apps released to the Apple Store.

I have hands-on experience leading the product development cycle, focused on leading product management, user experience, and the engineering teams.

I am currently leading a cross team effort at Microsoft where I'm responsible for key infrastructure pieces to enable a variety of cross company initiatives. More information about this effort in the coming months!

My Professional Background

Work Experience

2008 May - Present

Microsoft Corporation

2008 - 2010 Program Manager
2010 - 2013 Product Manager II
2013 - Present Sr Product Manager

Job Description

Senior Product Manager

2015 - Driving major cross team/product infrastructure for document collaboration scenarios. More details to share in the coming months.

2014 - Started mobile app incubator effort within Microsoft Outlook Services team which provided proving ground for targeted experiments which has impacted our roadmap for communication software across Microsoft. During this time, I was the Subject matter export for in app analytics, user reporting, and tracking.

2013 - 2014 - Drove major architecture changes and new developer APIs to simplify the Calendaring workflows in Exchange/Outlook/Outlook.com. This effort reduced support calls and escalation by 85%. The new developer friendly API has also unblocked a number of key third party services to implement support for Microsoft Calendaring services.

Product Manager II

Key owner for meeting scheduling scenarios across Microsoft Calendaring products. Improved web services to provide real-time availability information for Exchange users.

Enabled Calendar Sharing solutions for Exchange 2010 users. Gave end users the ability to share their calendar inside their org, outside their org, as well as cross premises. Calendar sharing became one of the key drivers for adoption of Office 365 hybrid deployments.

Program Manager

Reviewed all of our calendaring feature set that was targeted towards the on premise enterprise customer, and designed how we take these features to the cloud. I interacted with large amounts of early adopter customers for the Office 365 service.

2006 January - 2008 April

Ball State University

2006 - 2007 Lead Data Protection
2007 - 2008 Communication & Collab Arch

Job Description

Communication & Collaboration Architect

I was responsible for deploying and maintaining the campus communication and collaboration systems. This included Exchange as well as Office Communicator (now Skype for Business). Also, I lead the effort to move the enterprise mail system to the cloud. Ball State was one of the first universities to move to Office 365.

Lead Data Protection

I ran the enterprise data protection system. This included ensuring that all core university systems were properly backed up for disaster purposes. This included backing up 200+ Windows based servers, as well as 1000s of faculty and staff machines.

My Volunteer Work

Community Experience

2015 May - Present

TEALS - Juanite High School

2015 - Present Teacher - Intro to CS

Volunteer Work Description


2015 - Teaching Introduction to Computer Science at Juanita High School to a class of 25 students as part of the TEALS program. To prepare to teach High School, I had to complete a series of extensive training focused on classroom management and curriculum development. The curriculum developed teaches students basic computer science concepts in a way that is easy to understand and most importantly fun. The students learn by a series of labs and projects, such as Mario and Pong.

My Education


2011 August - 2012 November

Western Governors University

MBA - Information Technology Management

WGU Description - MBA

This degree had a focus on strategy and management, incorporates teamwork development and simulations as well as the knowledge and skills necessary to take on mid- to upper-level management positions in business, industry, and nonprofit organizations.

Key Subject Areas: Managing Organizations and Leading People, IT Project Management, Managing Human Capital, Marketing, Global Economics for Managers, Accounting for Decision Makers, Ethical Leadership, Financial Management, Data-Driven Decision Making, and IT Strategic Solutions

2002 September - 2006 May

Ball State University

Bachelor of Science - Computer Science

BSU Description - Computer Science

The Computer Science major follows international curriculum recommendations for computer science. It provides a balance of theoretical foundations with practical applications. A student who chooses this option may choose to enter the high-tech workforce or to pursue graduate education in computer science.

Key Subject Areas: Programing Skills, Database Design and Management, Process Thinking, Advanced Math, Software Engineering Methodologies, UI/UX Design, and Project Management.


  • Kevin B.


    David is an expert on anything Microsoft technology related. He has an uncanny knack of distilling the complex down to simple concepts to ensure the entire team is onboard. Always very helpful solving major challenges. Happy to have worked with David.

  • Jaskaran S.

    Lead Developr

    I had the opportunity of working with David for over 2 years at Microsoft, more specifically in the Exchange Server team. During this time, we worked on several projects together and I consider David one of the strongest Product Managers I have come across.

  • Paul T.

    Product Mgr

    I’ve had the opportunity to work with David on multiple projects. David has a great sense for how an evolving platform should work. He believes in stable and long lasting designs. He is able to build strong relationships that allow his impact to stretch well beyond his own group.

  • Judy C.

    IT Admin

    David is very well-organized and professional with outstanding telephone and customer service skills. Throughout the duration of our project, he's been very responsive to all our emails and phone calls - often within minutes of our posting our question.

What I’m best at

Skills & Honors


Remote users through working elsewhere

7 October 2014
Patent #: 8856238

Availability information from published calendars

23 September 2014
Patent: 8843587


  • Product Development Lifecycle
  • Scrum/Agile Methodolgies
  • API Design
  • REST/SOAP Web Services Design
  • Mobile/Web Usability Design
  • Project Managment
  • User Research/Needs Assessments
  • Large Systems Design
  • Performance and Scaleability
  • Monitoring Large Scale Services
  • Analytics / User Tracking Design

Contact Me

Get in touch

Have any questions? Interest in working together? Let me know, always open to hear about new opportunities.

My Details

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