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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 more than 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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