5 years as researcher at the BIBA Institute at the University of Bremen.

Promotion in 1996. The dissertation describes a distributed coordination system based on CORBA technology which is using elements of the artificial intelligence (AI) as well as 3-D presentation of abstract data for management of production processes in a distributed production of glass and wind screens.

4 years in Air Traffic Control system development area at the Orthogon GmbH:

1. software development for the airspace control both in civil and military projects
2. numerous national and international projects (e.g. for DFS, Eurocontrol, Austrocontrol)
3. since 1997 Orthogon representative at the Object Management Group (OMG *).
   It is a worldwide largest standardization body for the object-oriented Software.
   To the most known OMG Standards belong for example UML, IDL, CORBA, MDA.
4. Definition of the OMG Standard Display Manager for Air Traffic Control in co-operation with DEC/Compaq

9 years at ATLAS Elektronik GmbH:

1. BAE Senior Management Development Program absolved.
2. 8 years Head of Middleware Competence Center.
3. ATLAS representative at the OMG.
4. Numerous standardization works for military systems.
5. Author and Head of Development of the CMiles communication infrastructure.
   It is a software infrastructure for Command and Control Systems used in various national and international marine projects. The book "The Naval Institute Guide to World Naval Weapon Systems" of Norman Friedman describes officially published and unclassified information about the CMiles infrastructure.
6. One part of this infrastructure is the Real Time Fault Tolerance Service. This service is used to ensure the highest availability of the missile defense on the navy ships.

12 years CEO of the MARC Systems GmbH.

The company develops a commercial version of the Fault Tolerance Service (FTS). Applying this product also in civil applications, it is possible to reach such the high availability level which until now was reserved only for the high-tech naval combat systems.

Since 2011 the company offers also developments in the 3D domain (computer generated 3D visualization and simulation).

Between 2016 and 2017 I was the project leader of the development of the web portal for gourmets Dinees.

In 2017 and 2018 I was the project leader of the development of the platform for industrial companies Digital Plant.

>1 year Group leader an project manager at the DSI Datensicherheit GmbH.

DSI Datensicherheit GmbH (DSI Data Security, DSI-DS) is a SME located in Stuhr, Germany focussing on crypto electronics and TEMPEST certification tests. The fields of activity are dedicated to the engineering and development of solutions for high-end cryptography, information technologies, advanced communication systems and TEMPEST-hardened systems.

I was the project leader of the development of a SATCOM communication system together with DLR and Airbus DS.

>Since 2020 Project manager at the Dataport AöR.

Dataport is the information and communication service provider for the public administration for the four federal states of Hamburg, Schleswig-Holstein, Bremen and Saxony-Anhalt as well as for the tax administrations in Mecklenburg-Western Pomerania and Lower Saxony. The institution under public law was founded on January 1, 2004 on the basis of a state treaty and is based in Altenholz near Kiel with branches in Hamburg, Rostock, Bremen, Lüneburg, Magdeburg and Halle.

I am currently leading a project that implements a new complete solution for the broadband data network for the state of Bremen. In this project, over 500 public facilities will be connected to the new WAN and equipped with modern UC solutions.