Active Organizers

Thomas Poett

Thomas Poett - Co Founder & Organizer Munich


Thomas is a 8 times Microsoft Skype for Business MVP, works as a Strategic Sales at Sycor Group, with more than two decades of experience in the IT field, his job includes business and market development specialized in intercultural and business relationship in Asia, also providing leadership on new topics and complex global projects that require interacting with internal/external teams and ecosystems. Technically he is a Microsoft Office 365, public and private cloud computing specialist, as well as Hybrid cloud integration and Microsoft unified communication solutions Architect. Thomas comes from Munich Germany, has one of the most successful blogs ( addressing Microsoft Lync / Skype for Business and he enjoys Malaysian food, traveling and Paragliding

Michael Plettner

Michael Plettner - Organizer Munich


Michael is the Co-Founder of a consulting company: in2success. His company has its focus on Unified Communications and Project management. With experience of more than 8 years working in Microsoft UC, he is the head of UC part in in2success.

During multiple international/global projects Michael got his current focus on architecting, planning and deploying enterprise voice environments for small, mid-market and enterprise customers all over the world. This also includes Office 365 and Azure services as well. Next to his job he is interested in technical stuff and traveling to exiting places and people to get in touch with other thoughts and get inspired every day.

Since 2021, Michael has been awarded as MVP for Office Apps and Services with Focus on Microsoft Teams.

Thorste Pickhan

Thorsten Pickhan - Organizer Bochum


Thorsten Pickhan is working as Project Delivery and UC Consultant at gab  ExactlyIT Solutions GmbH in Plattling.

As UC consultant Thorsten plans and deploys UC infrastructures based on Microsoft technologies. He works as technician and consultant for decades and is specialized in Microsoft Lync, Skype for Business and Microsoft Teams. From beginning of his UC consultant career, he was focused and specialized for Enterprise Voice implementations. He established several UC projects in all facets in the mid-market and enterprise environments.

In his free time, he loves to barbecue with friends or to travel in Germany and to the USA. Also, he produces on a regular basis new video content for his weekly “Office 365 QuickTipps” or his monthly “What’s new in Office 365” YouTube channel.

Adrian Ritter

Adrian Ritter - Organizer Bochum

Adrian works as Technical Lead Modern Workplace at Netgo GmbH in Bochum. For more than 12 years, he has focused on designing and implementing collaboration platforms based on Microsoft technologies. No matter whether On-Prem or in the Cloud.

His roots lie in working as a SharePoint consultant. In many projects he was able to gather expert knowledge around business requirements for collaboration and processes as well as user adoption. In addition to his work, he is interested in every type of technology, exchanges with people to get to know new perspectives. During the holidays he loves to sail on the Baltic Sea or the Dutch lakes.

Retired Organizers

Mostafa Eltohamy

Mostafa Eltohamy - Co Founder (retired)

Mostafa AKA The Lync dude (old reference), works as a Senior Microsoft unified communication solutions Consultant in Germany, with more than a decade of experience in the IT field, he’s job include providing consulting  services for small business as well as large enterprise customers and help them design, build and support their messaging and communication infrastructures. Mostafa is an Egyptian guy that lives in Frankfurt Germany, he enjoys rock climbing, surfing and american football. He left the Orga-Team because he joined Microsoft in late 2018.

Dennis Winkelmann

Dennis Winkelmann – Organizer Hamburg (Retired)

Dennis was a UC Solution Architect and the Skype for Business Lead Architect at GIS – Gesellschaft für Informationssystem in Hamburg. He has more than ten years of experience in global UC Projects from designing to operating and is a certified MCITP since OCS 2007. He left the Orga-Team since he joined Microsoft as Senior Consultant in mid 2022.

He is currently working on Office 365 and Skype for Business Online related projects and has done a variety of enterprise voice implementation including call center solutions based on Lync, Skype for Business and Microsoft Teams. Dennis likes to travel and is interested in American sports like basketball and football.