Öko-Zentrum NRW
Our team
The team of the Öko-Zentrum NRW has grown steadily since its foundation in 1991 and now employs more than 50 experts who work across the board in the fields of planning, consulting and qualification. Our staff includes architects, civil engineers, state-approved experts for sound and heat insulation, certified passive house designers, energy consultants for listed buildings, BNB coordinators and DGNB auditors.
Managing Director
Manfred Rauschen
Dipl. Economist
info-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-0
further information / vita
Managing Director of Öko-Zentrum NRW since 1997, Managing Partner of Öko-Zentrum NRW since 2005, Member of the German Japanese Energy Transition Council (GJETC), Chairman of the Japanese Energy Performance Certificate Association, Chairman of the Shareholders' Meeting of B.A.U.M. Consult GmbH, Hamm (Germany)
Head of Energy Efficiency, Authorised Representative
Jan Karwatzki
Dipl.-Ing. Architect
karwatzki-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-72
further information / vita
Dipl.-Ing. Architect
state-approved expert
for sound and heat insulation
Energy consultant for historical buildings
Passive house designer
Studied architecture at the University of Dortmund, further training as a system planner for renewable energies and as an energy consultant for historical buildings at the University of Kassel, member of AKNW and GIH, energy consultant recognised by the BAFA for residential and non-residential buildings, issuer of energy certificates, external technical expert of the KfW for non-residential buildings.
Main focus: Engineering services and lecturing.
Head of Sustainability, Authorised Representative
Bettina Kasper
Graduate Engineer, DGNB Auditor
kasper-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-76
further information / vita
Licensed DGNB auditor (building certification for new buildings, modernization and existing buildings)
Coordinator Sustainable Building (ÖZ)
Auditor GEFMA 160 Sustainability in FM
Studied architecture at the Bauhaus University Weimar with a focus on the renovation of old buildings
Priorities: Coordination and sustainability certification according to DGNB / BNB, consulting and training on BNB, life cycle analyses
Head of Architecture
Kathrin Riekenbrauck
Dipl.-Ing. (FH) Architect
riekenbrauck-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-79
further information / vita
Studied architecture, project and construction manager in various architectural offices, member of AK NW, on-site consultant recognised by BAFA.
Main focus: Architectural services, correspondence course supervision.
Authorized Representative
Thomas Rühle
Dipl.-Ing. Civil Engineering, DGNB Auditor
ruehle-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-84
further information / vita
DGNB Senior Auditor
Auditor GEFMA 160 Sustainability in Facility Management
BAFA Energy Auditor
Coordinator Sustainable Building (ÖZ)
BREEAM AP
Studied civil engineering at the University of Stuttgart, research assistant at the Chair of Building Construction at the Technical University of Munich, many years of experience as project and division manager, member of the DGNB Advisory Board for Pollutants and Hazardous Substances.
Main focus: Development of sustainability concepts, coordination and sustainability certification DGNB/BNB, construction and material ecological consulting, life cycle assessment
Head of Qualifications
Tanja Osterhage
Dipl.-Ing. Architect
osterhage-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-33
further information / vita
State-approved expert for sound and heat insulation
Studied architecture at the University of Siegen and TU Dortmund // 2004 to 2008 research assistant at the TU Dortmund, Chair of TGA and Building Physics // 2008 to 2021 team leader "Integral Planning, Construction and Operation" at the Chair of Building and Indoor Climate Technology at RWTH Aachen // 2018 doctorate on the topic of "Measurement data-supported analysis of renovation-related efficiency increases in residential construction" with Prof. Dr.-Ing. habil. W. Willems at the TU Dortmund //
Main focus at the Öko-Zentrum NRW:
qualification area, energetic concepts
Head of Sustainability, Authorised Representative
Bettina Kasper
Graduate Engineer, DGNB Auditor
kasper-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-76
further information / vita
Licensed DGNB auditor (building certification for new buildings, modernization and existing buildings)
Coordinator Sustainable Building (ÖZ)
Auditor GEFMA 160 Sustainability in FM
Studied architecture at the Bauhaus University Weimar with a focus on the renovation of old buildings
Priorities: Coordination and sustainability certification according to DGNB / BNB, consulting and training on BNB, life cycle analyses
Authorized Representative
Thomas Rühle
Dipl.-Ing. Civil Engineering, DGNB Auditor
ruehle-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-84
further information / vita
DGNB Senior Auditor
Auditor GEFMA 160 Sustainability in Facility Management
BAFA Energy Auditor
Coordinator Sustainable Building (ÖZ)
BREEAM AP
Studied civil engineering at the University of Stuttgart, research assistant at the Chair of Building Construction at the Technical University of Munich, many years of experience as project and division manager, member of the DGNB Advisory Board for Pollutants and Hazardous Substances.
Main focus: Development of sustainability concepts, coordination and sustainability certification DGNB/BNB, construction and material ecological consulting, life cycle assessment
Yoana Angelova
Dipl.-Ing. Civil Engineering
angelova-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-0
further information / vita
Consulting on sustainability and building certifications
Accompaniment of certifications (DGNB and BNB) and management of interdisciplinary planning teams with regard to certification
Evaluation/development of planning concepts with regard to sustainability criteria
Application of calculation methods in sustainability assessment (life cycle assessment, life cycle costs, etc.)
Engineering studies at the Ruhr University Bochum with focus on structural engineering.
Melanie Schwering
Dr.-Ing. Civil Engineering
schwering-at-oekozentrum-nrw.de
Tel.: +49 (0) 2381 302 20-42
further information / vita
Engineering studies at the Technical University of Dortmund with a focus on structural engineering
Britta Kosbab
Dipl.-Ing. (FH) Architecture, M. Sc. Architecture and Environment
kosbab-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-86
further information / vita
Studied architecture at the MSA Münster, majoring in: Urban planning and construction management
Studied at the Wismar University of Applied Sciences, focus: ecological building and building in existing structures
Member of AKNW, many years of activity in architectural offices, many years of activity in the technical supervision leading level for the federal building and BNB (conformity inspection body NRW), coordinator for sustainable building (BNB)
Christina Kawaters
Assistance Team Sustainability
kawaters-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 3 02 20-88
further informationen / vita
Graduate engineer (FH)
Jana Arlitt
M. Sc. Industrial Engineering (specialization: Civil Engineering)
arlitt-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-89
further informationen / vita
Coordinator Sustainable Building according to BN (ÖZ), DGNB Consultant
Studied engineering at RWTH Aachen University with a focus on structural engineering and sustainability and corporations
Main focus: Accompaniment of certifications (BNB, QNG, DGNB) as well as consulting and training on sustainability-related topics
Blanca Noras
B. Sc. Technical Management and Marketing
noras-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-47
further informationen / vita
Lea Dignat
B.A. Interior Design, working student
dignat-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-0
further informationen / vita
Bachelor's degree (B.A.) in Interior Design at the OWL University of Applied Sciences, Detmold
Currently: Bachelor's degree (B.Sc.) in Architecture at Dortmund University of Applied Sciences and Arts
Head of Architecture
Kathrin Riekenbrauck
Dipl.-Ing. (FH) Architect
riekenbrauck-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-79
further information / vita
Studied architecture, project and construction manager in various architectural offices, member of AK NW, on-site consultant recognised by BAFA.
Main focus: Architectural services, correspondence course supervision.
Karis Schauerte
Dipl.-Ing.(FH) Architecture and preservation of historical buildings
M.BP (Master of Building Physics)
schauerte-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-78
further information / vita
Studied architecture at the FH Bielefeld, Minden department, postgraduate studies in the preservation of historical monuments at the FH Trier, work in a construction company. Online master's degree course in building physics. Employee in an architectural office.
Focus: Architecture and building physics
Nina Barzani
Dipl.-Ing. (FH) Architect
barzani-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-80
further information / vita
Passive House Designer
Studied architecture at the University of Applied Sciences Dortmund with focus on building damage analysis, member of AKNW, BAFA-approved consultant for on-site consulting.
Architectural services, moisture protection, distance learning support.
Lisa Bleser
B.Eng. Civil Engineering
bleser-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-71
further information / vita
Architectural draftsman training in the field of structural engineering, bachelor's degree at Münster University of Applied Sciences with a focus on structural engineering, Member of the Chamber of Engineers Bau NRW, BAFA-approved consultant for on-site consulting.
Main focus at the Öko-Zentrum NRW:
Architectural services, energy consulting, distance learning support.
Martin Czajor
B. Sc. Civil Engineering
czajor-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-62
further information / vita
Studied engineering at the Bochum University of Applied Sciences with a focus on "Building Physics and Construction", further training as energy consultant for residential and non-residential buildings, entitled to issue energy certificates.
Main focus:
thermal and hygric building physics
Sound and heat insulation
Energy-efficient construction and renovation of residential and non-residential buildings
Eva Düll
M. Sc. Architecture
duell-at-oekozentrum-nrw.de
Tel.: +49 (0) 2381 302 20-67
further information / vita
B.A. Architecture
Studies at the Technical University Ostwestfalen-Lippe
BAFA-approved consultant for on-site consulting
In the architecture team: Various architectural services
In the sustainability team: Support of certifications (BNB)
Head of Energy Efficiency, Authorised Representative
Jan Karwatzki
Dipl.-Ing. Architect
karwatzki-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-72
further information / vita
Dipl.-Ing. Architect
state-approved expert
for sound and heat insulation
Energy consultant for historical buildings
Passive House Designer
Studied architecture at the University of Dortmund, further training as a system planner for renewable energies and as an energy consultant for historical buildings at the University of Kassel, member of AKNW and GIH, energy consultant recognised by the BAFA for residential and non-residential buildings, issuer of energy certificates, external technical expert of the KfW for non-residential buildings.
Main focus: Engineering services and lecturing.
Michael Hörnemann
Dipl.-Ing.(FH) Civil Engineering
hoernemann-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-82
further information / vita
Studied engineering at the University of Applied Sciences in Münster with a focus on structural engineering. Many years of experience as project manager in various engineering offices. Member of IKBauNRW as engineer and expert for sound and heat insulation as well as energy efficiency expert for construction and refurbishment of residential and non-residential buildings.
Main focus: Engineering services for thermal and hygric building physics, sound and thermal insulation, building and room acoustics
Oliver Goecke
Dipl.-Ing. Architect
goecke-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-70
further information / vita
state-approved expert for sound and heat insulation
DGNB Consultant
Studied architecture at the University of Dortmund with a focus on climate-friendly architecture. Further training as BAFA energy consultant and renewable energy system planner at the University of Kassel. Member of AKNW as architect and expert for sound and heat insulation as well as consultant for DGNB certifications and energy efficiency expert for construction and renovation of residential and non-residential buildings.
Main focus: thermal and hygric building physics, sound and thermal insulation, building and room climate control
Bernd Winterseel
M. Sc. Energy-Efficient and Sustainable Building
winterseel-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-22
further information / vita
Bachelor studies in environmental engineering with focus on "Climate & Energy" at the University of Applied Sciences Ostwestfalen-Lippe, Master studies in the field of energy-efficient and sustainable construction at the Technical University Munich
Authorised to issue energy certificates and BAFA-approved consultant for on-site consulting
Priorities: Thermal building physics, energy consulting
Martin Czajor
B. Sc. Civil Engineering
czajor-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-62
further information / vita
Studied engineering at the Bochum University of Applied Sciences with a focus on "Building Physics and Construction", further training as energy consultant for residential and non-residential buildings, entitled to issue energy certificates.
Main focus:
thermal and hygric building physics
Sound and heat insulation
Energy-efficient construction and renovation of residential and non-residential buildings
Tim Kersting
M. Eng. Energy, Building and Environmental Technology
kersting-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-77
further information / vita
Bachelor studies at the University of Applied Sciences Hamm-Lippstadt in the field of energy technology and resource optimization.
Master studies at the University of Applied Sciences Münster in the field of energy, building and environmental engineering.
Main fields of study: Renewable energies, building services engineering
Focus: Energy-efficient construction and refurbishment of residential and non-residential buildings, technical building equipment
Lisa Bleser
B.Eng. Civil Engineering
bleser-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-71
further information / vita
Architectural draftsman training in the field of structural engineering, bachelor's degree at Münster University of Applied Sciences with a focus on structural engineering, Member of the Chamber of Engineers Bau NRW, BAFA-approved consultant for on-site consulting.
Main focus at the Öko-Zentrum NRW:
Architectural services, energy consulting, distance learning support.
David Könnig
B. Eng. Energy Technology and Resource Optimization
koennig-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-0
further information / vita
Study of energy engineering and resource optimization at the University of Applied Sciences Hamm-Lippstadt
Major fields of study: Renewable Energies
Focus: Project assistance energy efficient construction and renovation of residential and non-residential buildings
Jonas Rütter
B. Sc. - Ing. spatial planning
ruetter-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-44
further information / vita
Bachelor's degree in spatial planning at the TU Kaiserslautern
Master's studies in urban and regional development with a specialization in urban planning at the TU Kaiserslautern
Main focus: Redensification and climate adaptation
Denis Maaser
B. Eng. Energy Technology and Resource Optimization
maaser-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-26
further information / vita
Bachelor studies at Hamm-Lippstadt University of Applied Sciences in the field of energy technology and resource optimization.
Study focus: Building services engineering
Philip Austermann
M. Sc. Chemical Engineering
austermann-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-39
further informationen / vita
Completed studies (B.Sc. and M.Sc.) in Chemical Engineering at Münster University of Applied Sciences with a focus on process engineering. Several years of experience in industrial product development.
Main focus: Energy efficiency, PV planning
Markus Hagenkamp
M. Sc. Energy Technology
hagenkamp-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-34
further informationen / vita
Studied mechanical engineering (B. Sc.) and energy technology (M. Sc.) at RWTH Aachen University
Study focus: regenerative energy technologies
Subsequently research assistant and lecturer at the FH Aachen, building services engineering department
Main focus: Energy efficiency
Andreas Kleemann
Dipl.-Ing.(FH), B.Sc.
kleemann@oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-35
further informationen / vita
Studied engineering in the field of timber technology and timber construction at the Ostwestfalen-Lippe University of Applied Sciences.
Worked as a 3D CAD-CAM designer in the field of timber frame and timber object construction.
Studied civil engineering with a focus on building physics and construction at Bochum University of Applied Sciences. Afterwards several years of research work in the field of building materials.
Focus: thermal and hygric building physics
Translated with www.DeepL.com/Translator (free version)
Amr Abouawad
B.Eng. Construction in existing buildings
abouawad@oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-52
further informationen / vita
Study program:
Master of Science Sustainable and Resource Efficient Building at the University of Wuppertal
Degrees:
B. Eng Building in Existing Contexts at Münster University of Applied Sciences
B. Sc. Civil Engineering Science (Egypt)
Certification BIM-Professional
Marina Goeke
Dipl.-Ing. Architekt
goeke-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-64
weitere Informationen / Vita
staatlich anerkannter Sachverständige für Schall- und Wärmeschutz
Architekturstudium an der technischen Universität Dortmund mit dem Schwerpunkt klimagerechte Architektur. Mitglied der AKNW als Architektin und staatlich anerkannte Sachverständige für Schall- und Wärmeschutz, Energieeffizienzexpertin für Bauen und Sanieren von Wohn- und Nichtwohngebäuden, zertifizierte Passivhausplanerin.
Schwerpunkte: Energieberatung , energetische Baubegleitung, thermische Bauphysik, sommerlicher Wärmeschutz
Christiane Berner
Dipl.-Ing. architect, state-approved expert for sound and heat insulation
berner-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-55
further informationen / vita
Studied architecture at the University of Wuppertal and ETSAB Barcelona
Further training as an energy consultant for residential and non-residential buildings at the Öko-Zentrum NRW
Member of the AKNW as an architect and expert for sound and heat insulation
Project and construction manager in various architectural and engineering firms, self-employed energy consultant
Main focus: Engineering and architectural services, refurbishment of existing buildings
Kerstin Hagemann
Dipl.-Ing. Civil Engineer
hagemann-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-56
further informationen / vita
Studied engineering at the Technical University of Berlin with a focus on structural engineering - timber construction as well as building materials and building material testing, many years of experience in the construction industry in the field of system construction and prefabricated concrete construction as well as in the housing industry in the field of energy-efficient modernization of apartment buildings and BEG funding, independent energy efficiency expert for residential buildings
Main focus: Serial refurbishment, refurbishment of existing buildings
Alina Vogt
M. Sc. Environmental Hazards and Risks Management
vogt-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-46
further informationen / vita
Bachelor's degree in Geography at the Rheinische Friedrich-Wilhelms-Universität Bonn. Master's degree in Environmental Hazards and Risk Management at the Université Côte d'Azur.
Specializations: Disaster risk management, GIS and remote sensing, climate change adaptation
Luisa Langer
Student trainee
langer-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-0
further informationen / vita
Student of Spatial Planning (B.Sc.) at the Technical University of Dortmund; works in the field of energy efficiency parallel to her Bachelor's thesis
Main focus: Municipal heat planning
Björn Häming
Consultant for Press and Public Relations
haeming-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-81
further information / vita
Study of media sciences
Main areas of work:
Maintaining contacts to authorities, companies and other institutions, organisation and realisation of events as well as journalistic support of projects
Sascha T. Kunstmann
Master of Arts
kunstmann-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-61
further information / vita
Study of German and Philosophy with a focus on Cultural Studies at the Ruhr-University Bochum
Main areas of work:
Project assistance in the field of press and public relations, research, editing and journalistic support of projects
Sascha T. Kunstmann
Master of Arts
kunstmann-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-61
further information / vita
Study of German and Philosophy with a focus on Cultural Studies at the Ruhr-University Bochum
Main areas of work:
Project assistance in the field of press and public relations, research, editing and journalistic support of projects
Yayoi Matsubara
Bachelor of laws | Tokyo office
matsubara-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-0
further information / vita
Work focus:
Contact person for Öko-Zentrum NRW GmbH in Japan
Experience:
Foreign representative of Messe Berlin GmbH in Japan
AHK Japan
Ayumi Schleithoff
Event Management
schleithoff-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-0
further information / vita
Focus of work:
travel planning, organization and management of events, establishing contacts to Japanese companies and organizations
Managing Director
Manfred Rauschen
Dipl. Economist
info-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-0
further information / vita
Managing Director of Öko-Zentrum NRW since 1997, Managing Partner of Öko-Zentrum NRW since 2005, Member of the German Japanese Energy Transition Council (GJETC), Chairman of the Japanese Energy Performance Certificate Association, Chairman of the Shareholders' Meeting of B.A.U.M. Consult GmbH, Hamm (Germany)
Authorized Representative
Thomas Rühle
Dipl.-Ing. Civil Engineering, DGNB Auditor
ruehle-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-84
further information / vita
DGNB Senior Auditor
Auditor GEFMA 160 Sustainability in Facility Management
BAFA Energy Auditor
Coordinator Sustainable Building (ÖZ)
BREEAM AP
Studied civil engineering at the University of Stuttgart, research assistant at the Chair of Building Construction at the Technical University of Munich, many years of experience as project and division manager, member of the DGNB Advisory Board for Pollutants and Hazardous Substances.
Main focus: Development of sustainability concepts, coordination and sustainability certification DGNB/BNB, construction and material ecological consulting, life cycle assessment
Nurcan Karaoglu
Office Administration, Personnel
karaoglu-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-16
further information / vita
Office administrator, contact person in the areas of administration / accounting and course coordination.
Michaela Möller
Office Administration
moeller-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-21
further information / vita
Paralegal, contact person in the areas of administration and course coordination.
Deborah Haselow
Office Administration
haselow-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-23
further information / vita
Office administrator, contact person in the areas of administration / accounting and course coordination.
Miriam Fleischer
Administration, personnel, training courses
fleischer-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-16
further informationen / vita
Student assistant: Bachelor's degree in educational science with a focus on economics at the TU Dortmund University
State-recognized hotel specialist
Lena Woltering
Administration, accounting
woltering-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-15
further informationen / vita
Contact person in the areas of administration and accounting
Bachelor of Business Administration (Tourism and Leisure Management studies at Saxion University of Applied Sciences in Deventer, NL) and event manager
Silke Meuer
Administration, accounting
meuer-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-12
further informationen / vita
Contact person in the areas of administration and accounting
Specialist for outpatient care
Christina Kawaters
Assistance Team Sustainability
kawaters-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 3 02 20-88
further informationen / vita
Graduate engineer (FH)