Energy Controlling - Clear and Simple

Dr. Georg Riegel studied biochemistry, physics, biology und quantum photochemistry in Chile, Germany and Canada.

He initially worked as a management consultant, and later became a manager in the area of environmental research for DaimlerChrysler AG, heading a team of scientists. It was then that he became aware of the acute need of achieving much broader energy transparency in all building sectors. In 2003 he started deZem GmbH, now serving customers internationally with internet or internet-based technology for real time energy controlling and visualization.

Dennis Engberding studied physics and computer science in Germany and the UK. In 2007 he earned his degree and started working for deZem.

As technical project manager he is responsible for the development of customized project concepts and the on-site technical project implementation. This includes supporting our customers in the analysis and interpretation of their measurements, the discovery of energy saving potentials and the proposal of measures for increasing energy efficiency.

Dennis is also responsible for hardware and software prototyping of mobile solutions.

Robert Baumeister studied International Relations and Development Politics in Germany and Finland. Professionally, he was active in political foundations, the European Parliament and as a management consultant. Sustainable development and energy politics are an important concern of his.

Since April 2008, he is working for deZem as a project developer. He is your main contact point for non-technical questions.

Dr. Cornelia Kappler studied physics in Germany, the US and Canada. She then worked in the area of future communication networks - after all physicists are versatile. She worked for NEC, Siemens and Nokia Siemens Networks managing international research projects, contributing to standards, publishing scientific articles, writing patents and holding courses at universities.

Since April 2008 she is active for deZem in a new field, creating technology concepts and coordinating the technical development.

Noé Villegas studied process and power engineering in his native country of Mexico. He then worked for the National Commission for Energy Conservation (CONAE), dealing particularly with energy efficiency of buildings. In 2006, he joined an international advanced training program of InWent gGmbH which brought him to Germany, where he subsequently worked for the Consumer Protection Agency, and the Berlin Energy Agency.

Since the end of 2007, he manages the deZem projects in Latin America. He is a hobby photographer, providing for example the beautiful photos for the deZem Webpages.

Katja Schiefelbein studied business administration at the VWA Berlin and has worked in the sales and marketing departments of a variety of companies.

Since June 2009 she supports deZem as an industrial management assistant in the areas of accouting, organisational issues and online marketing.

Alexander Schuch studied computer engineering at FHTW Berlin and knows deZem already from an internship during that time.

He is inspired by deterministic problems and enjoys developing algorithmic solutions. Since October 2008 he has been working for deZem and is responsible for our in-house software developments.

Warren Wessely is an electro-mechanician by training. He worked for companies such as Deutschen Reichsbahn, Samsung, Siemens, Infineon, Fiber Optics GmbH und Assa Abloy-Zeiss Ikon and has many years of experience in product line control, process control, project and quality management as well as in database programming.

In September 2009 he joined deZem, where he is in charge of deZem-project preparation and installation. Furthermore, he takes care of extending quality management, the testing of new devices and components and of enhancing the in-house testing and measurement facilities. Other work areas are inventory control and procurement of technical equipment.