M365 Röstmeister
Microsoft MVP · DACH Region
Where the aroma of espresso meets the power of Microsoft 365.
Ferdi Lethen-Oellers — Microsoft MVP, Author and Speaker. Practical M365 know-how on Copilot, Azure, Teams and Entra ID. No theory. No coffee grounds.
The essential Microsoft 365 administration handbook for the modern workplace
The first German-language handbook specifically for Microsoft‑365 administrators — practical, clear and straight from the DACH community.
Pre-Order Now →About me
“Microsoft 365 is only as good as the people using it. My job is to close that gap.”
I work as Senior Modern Workplace Consultant at amexus, helping organisations unlock the full potential of Microsoft 365 — from Teams to Copilot to Entra ID. As a Microsoft MVP I bring community knowledge directly into practice.
More about meExpertise
From Copilot to Azure — practical, not theoretical.
Putting AI to work in everyday workflows — from M365 Copilot to custom agents.
Strategically rolling out Employee Experience — Learning, Engage, Connections and Amplify.
Collaboration and intranet structures people actually use.
Identity, MFA and Zero Trust — without locking yourself out.
Device management like a pro — Shared Device Mode, kiosk and compliance.
From fundamentals to Management Groups — cloud architecture explained clearly.
Röstmeister Blog
Managing company templates in Microsoft 365 — without third-party tools Anyone who has tackled template management in an organisation over the past…
Podcast on Spotify
In-depth conversations about Microsoft 365, the modern workplace and digital transformation in the DACH ecosystem.
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Microsoft‑365 insights served fresh every four weeks — crisp, practical and always with a shot of espresso.
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