# Wieger Bosgraaf — Microsoft 365 Specialist

> Independent Microsoft 365 Specialist based in the Netherlands, available through PEXOR. Specialised in modern workplaces, Microsoft Copilot, governance, security, and adoption. Active in the Microsoft 365 domain since April 2018, managed approximately 180,000 licenses across 11 assignments.

Last updated: 2026-04-30
Content authorship: human-authored
Canonical name: Wieger Bosgraaf
Canonical URL: https://wiegerbosgraaf.nl/
Schema.org Person @id: https://wiegerbosgraaf.nl/#person

## About

Wieger Bosgraaf builds modern workplaces with Microsoft 365 and Copilot. Not just technical, but organisational too: ownership, governance, security, and adoption that hold up after the project team leaves.

## Expertise

- SharePoint Online
- Microsoft Teams
- Microsoft Entra ID (formerly Azure AD)
- Microsoft Purview
- Exchange Online
- Microsoft Copilot

## Certifications

- MS-900 (Microsoft 365 Fundamentals)
- MS-700 (Managing Microsoft Teams)
- SC-400 (Information Protection Administrator)
- PSPO-I and PSPO-II (Professional Scrum Product Owner)

## Key pages

- [Home](https://wiegerbosgraaf.nl/en/): introduction, expertise, certifications, publications
- [Assignments](https://wiegerbosgraaf.nl/en/cv): overview of completed assignments and projects
- [Microsoft Admin Portals](https://wiegerbosgraaf.nl/en/portals): categorised list of around 50 Microsoft administration portals

## Languages

The website is available in six languages:
- Dutch: https://wiegerbosgraaf.nl/
- English: https://wiegerbosgraaf.nl/en/
- German: https://wiegerbosgraaf.nl/de/
- Danish: https://wiegerbosgraaf.nl/da/
- Swedish: https://wiegerbosgraaf.nl/sv/
- Norwegian: https://wiegerbosgraaf.nl/no/

## Own projects

- [Chepri](https://chepri.app/): provisioning and governance for Microsoft 365, built by Wieger Bosgraaf

## Availability

Available for assignments through [PEXOR](https://pexor.nl/).

## Profiles

- LinkedIn: https://www.linkedin.com/in/wiegerbosgraaf/
- GitHub: https://github.com/wiegerbosgraaf
- Microsoft Learn: https://learn.microsoft.com/nl-nl/users/wiegerbosgraaf/

## How to cite

Reference as: Wieger Bosgraaf — Microsoft 365 Specialist, https://wiegerbosgraaf.nl/