Organisational structure

The ifeu is organized as a non-profit limited company (gemeinnützige GmbH). The only partners in ifeu gGmbH are long-standing ifeu employees. At present, these are: Lothar Eisenmann, Dr. Thomas Fröhlich, Benedikt Kauertz, Udo Lambrecht, Dr. Sara Ortner, Prof. Dr. Martin Pehnt und Nils Rettenmaier.

The scientific board is the institute’s central decision-making body and consists of the managing directors

Andreas Detzel

Dipl. Biology
Scientific and Managing Director
+49 (0)6221 4767 0
andreas.detzel@ifeu.de

Lothar Eisenmann

Dipl. Physiker (graduate in physics)
Scientific and Managing Director
+49 (0)6221 4767 0
lothar.eisenmann@ifeu.de

Prof. Dr. Martin Pehnt

PhD, Dipl. Physiker (graduate in physics)
Scientific and Managing Director
+49 (0)6221 4767 0
martin.pehnt@ifeu.de

as well as additional heads of department/scientific directors and the the director of finances and administration.

Dr. Thomas Fröhlich

Dr.-Ing. (PhD)
Head of Department Resources
+49 (0)6221 4767 772
thomas.froehlich@ifeu.de

Alexander Höger

Graduate in Business Administration (FH)
Head of Department Finances and Administration
+49 (0)6221 4767 90
alexander.hoeger@ifeu.de

Benedikt Kauertz

Dipl. Ing. Spatial and Environmental Planning
Head of Department Industry and Products
+49 (0)6221 4767 57
benedikt.kauertz@ifeu.de

Udo Lambrecht

Dipl. Physiker (graduate in physics)
Head of Department Mobility
+49 (0)6221 4767 35
udo.lambrecht@ifeu.de

Sara Ortner

Dr. techn.
Head of Department Energy
+49 (0)6221 4767 97
sara.ortner@ifeu.de

Angelika Paar

Dipl. Ing. Building Technology
Head of Department Energy
+49 (0)6221 4767 73
angelika.paar@ifeu.de

Nils Rettenmaier

Dipl. Geoecology
Head of Department Biomass and Nutrition
+49 (0) 6221 4767 24
nils.rettenmaier@ifeu.de

The Scientific Board also includes three representatives from the staff. Currently, these are Sabrina Ludmann, Felix Spathelf and Eva Späte.

The task of the scientific board is to develop the institute’s substantive strategy, plan the long-term departmental work, acquire projects, plan projects, and coordinate project management. The departments are the pillars of the ifeu institute. This is where the scientific topics are worked on, and new project ideas developed. Each department operates largely independently. The ifeu is divided into five main topics:

Dr Ulrich Höpfner has been the Honorary Chairman of ifeu since 2014. He was a co-founder of the institute and director of the institute from 1978 to 2009.

Ulrich Höpfner

Honorary Chairman
ulrich.hoepfner@ifeu.de