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 40 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

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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

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.

Jana Rudnick

M. Sc. Environmental Engineering

rudnick-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-68

further information / vita

Engineering studies at the RWTH Aachen with focus on energy and environment in civil engineering

Priorities: Support for certification (BNB), development of climate change adaptation concepts

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)

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)

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

Julia Röhl

student assistant

JuliaRoehl-at-oekozentrum-nrw.de
Tel.: +49 (0) 2381 302 20-44

further information / vita

Study of architecture at the FH Dortmund

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.

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

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.

Ivelina Radeva-Arndt

Architect

radeva-arndt-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-63

further information / vita

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

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

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

Main focus:

thermal and hygric building physics

Sound and heat insulation

Energy-efficient construction and renovation of residential and non-residential buildings

Benedikt Prange

M. Eng. Environmental Engineering

prange-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-73

further information / vita

Master studies at the Ostwestfalen-Lippe University of Applied Sciences; Faculty of Building and Energy with the focus on "Energy-efficient construction".

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

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

Edward Herdt

M. Sc. Mechanical Engineering

herdt-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-40

further information / vita

Bachelor's degree in environmental engineering and resource management with a specialization in "sustainable process and environmental engineering".
Master's degree in mechanical engineering with a specialization in "energy and process engineering".

Main focus:
Energy efficiency consulting in industry and commerce,
CO2 balancing of companies and municipalities,
Energy audit according to DIN EN 16247

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

Anna-Lena Röttger

M. Sc. Civil Engineering

roettger-at-oekozentrum-nrw.de vCard
Tel.: +49 (0) 2381 302 20-32

further information / vita

Bachelor's and Master's degree in civil engineering at Bochum University of Applied Sciences, each with a focus on structural engineering and sub-areas of the building physics profile.

Further training as an energy efficiency expert for residential buildings.

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

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

Main focus: Development of sustainability concepts, coordination and sustainability certification DGNB/BNB, construction and material ecological consulting, life cycle assessment