About Erwin Bierens | Erwin Bierens Blog

Erwin Bierens is a Dutch technology professional working at the intersection of Microsoft Teams, Microsoft 365, Azure voice, collaboration, devices, AI and security.

Profile

Teams, voice, AI and modern workplace technology

I help organizations design, improve and scale collaboration and communication platforms, with a strong focus on Microsoft Teams, telephony and operational reality.

Microsoft Teams Teams Phone Direct Routing Azure Copilot & AI Security

Current role

Practical architecture, deployment and troubleshooting

I work on collaboration platforms that need to perform in real environments, not just on paper.

Recognition

Microsoft MVP

Microsoft Most Valuable Professional since 2017, focused on Microsoft Teams and Microsoft 365.

Contact

Available for conversations around Microsoft Teams, voice, collaboration, devices, AI and security.

Get in touch

Experience Snapshot

Daily work

Helping customers get more out of Microsoft Teams

My day-to-day work is centered on Microsoft Teams, Microsoft 365 and connected collaboration capabilities.

Projects

Voice, contact center and platform scale

I have worked on Teams Phone, Zoom Phone, Direct Routing, large-scale collaboration rollouts and contact center implementations with platforms such as Zoom CX, Anywhere365, Dynamics365 and CC4Teams.

Approach

Operationally grounded

I care about what holds up in production: architecture, governance, troubleshooting, service quality and user adoption.

Collaboration

Platform and adoption

Microsoft Teams architecture and administration
Microsoft 365 collaboration and governance
Teams Rooms and device scenarios
End-user and admin experience optimization

Voice

Calling and telephony

Teams Phone and Direct Routing
Unified Communications and enterprise telephony
Azure communication and voice-related scenarios
Contact center and customer interaction platforms

Technical strengths

Operational depth

Security-minded troubleshooting
Networking and platform diagnostics
Operational support and optimization
Technical writing and knowledge sharing

Certifications and Recognition

2026-2027 Microsoft Most Valuable Professional (MVP) Current recognition period.
MS-720: Microsoft Teams Voice Engineer Focused on Microsoft Teams voice, telephony and related engineering scenarios.
Microsoft 365 Certified: Teams Administrator Associate
Microsoft 365 Certified: Collaboration Communications Systems Engineer Associate
Microsoft Advertising Display & Video Certification Additional certification outside the Microsoft collaboration track.

Focus Areas

Microsoft Teams Microsoft 365 Zoom Azure Copilot AI Voice & Telephony Devices Reviews Security Privacy Automation

Outside Work

Creative

I also create cycling-related illustrations through my own company, Studio Sjas Patat.

Personal interests

Cycling, tech, devices, visual work and documenting useful things worth sharing.