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The CEE Management Team

The future belongs to the specialists.

Detlef Schreiber
Chief Executive Officer

Detlef Schreiber is CEO of the CEE Group and, therefore, bears overall responsibility for the group of companies. He has been employed by the CEE Group since 10/2000 and has been a member of the management board since 01/2004.

Konstantin Dornecker
Chief Financial Officer

Konstantin Dornecker is CFO of the CEE Group. His areas of responsibility include finance, controlling, taxes and risk management for the company. He joined CEE Group in 09/2014 and has been a member of the management team since 01/2018.

Leonhard Uphues
Chief Sales Officer

Leonhard Uphues is CSO of the CEE Group. His responsibilities include investor relations and capital raising. He joined CEE Group as a member of the management team in 05/2018.

Christian Bertsch-Engel
Chief Operating Officer

Christian Bertsch-Engel is COO of the CEE Group. His responsibilities include asset management and operations management of the assets in the CEE portfolio as well as IT and digitalisation. He joined CEE Group in 10/2014 and has been a member of the management team since 01/2018.

Frank Grafe
Chief Investment Officer

Frank Grafe is CIO of the CEE Group. He is responsible for the Investment Management Division. Since 11/2011 he has worked for the CEE Group as a member of the Management Board.

Key features of the CEE Group

The levers for success.

Over the past 20 years, the CEE Group has been able to continuously expand its expertise and is now ideally positioned as a fully integrated asset manager.


Large wind and solar portfolio in Germany, France, the Netherlands, and Sweden, increase in returns through regular performance analyses and implementation of optimisation measures.


Experienced transaction team for wind and solar assets with extensive expertise in power plant operations and partnerships built up over many years.


In-house employees for comprehensive commercial management in Germany, France, the Netherlands and Sweden.


In-house employees for technical management in the field of photovoltaics, seamless transfer of projects from the acquisition phase to ongoing support in operation.


Strong deal flow and excellent access to market participants – an extensive network with intensive contact management for future transactions.

In-house capital management company

Experienced and competent portfolio and risk management from a single source without friction losses.


Considerable financial strength and access to international markets as a member of the Brookfield Group.

Portfolio &
economies of scale

Whether it’s insurance, purchasing your own electricity or direct marketing conditions: Through our consistent portfolio approach, we reduce the operating costs of your assets.

Management systems

In managing and operating our assets, we rely on standardised, proven management systems certified in accordance with ISO 45001 and ISO 27001.

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