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 30 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

   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

   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, consultant recognised by the BAFA for on-site consulting and energy advice for small and medium-sized businesses and municipalities, issuer of energy certificates, external technical expert of the KfW for "Energy-efficient construction and renovation - non-residential buildings".

Main focus: Engineering services and lecturing.

Head of Sustainability, Authorised Representative

Bettina Kasper

Graduate Engineer, DGNB Auditor

   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

   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

   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 Sustainability, Authorised Representative

Bettina Kasper

Graduate Engineer, DGNB Auditor

   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

   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

   vCard
  Tel.: +49 (0) 2381 302 20-86

 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

   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

Eva Düll

student assistant


  Tel.: (0 23 81) 3 02 20-0

  further information / vita

 

Head of Architecture

Kathrin Riekenbrauck

Dipl.-Ing. (FH) Architect

   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. Architect

   vCard
  Tel.: +49 (0) 2381 302 20-64

  further information / vita

Passive House Designer

Studied architecture at the Technical University of Dortmund
Member of AK NW, BAFA-approved consultant for on-site consulting, energy efficiency expert for construction and refurbishment of residential and non-residential buildings


Main focus at the Öko-Zentrum NRW: architectural services, energy consulting, distance learning support

Karis Schauerte

Dipl.-Ing.(FH) Architecture and preservation of historical buildings
M.BP (Master of Building Physics)

   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

   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 Nolte

B.Eng. Civil Engineering

   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

   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

Head of Energy Efficiency, Authorised Representative

Jan Karwatzki

Dipl.-Ing. Architect

   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, consultant recognised by the BAFA for on-site consulting and energy advice for small and medium-sized businesses and municipalities, issuer of energy certificates, external technical expert of the KfW for "Energy-efficient construction and renovation - non-residential buildings".

Main focus: Engineering services and lecturing.

Michael Hörnemann

Dipl.-Ing.(FH) Civil Engineering

   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

   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

   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

Christian Höveler

Dipl.-Ing. (FH) Civil Engineering

   vCard
  Tel.: +49 (0) 2381 302 20-23

  further information / vita

state-approved expert for sound and heat insulation

Studied civil engineering at the Münster University of Applied Sciences. Member of the Chamber of Engineers Bau NRW and expert for sound and heat insulation. BAFA-recognised consultant for on-site consulting, energy consulting for medium-sized companies and municipalities as well as for consulting on energy-saving contracting. Energy efficiency expert for construction and renovation of residential and non-residential buildings.

Martin Czajor

B. Sc. Civil Engineering

   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

Florian Demnitz

B. Sc. Industrial Engineering

   vCard
  Tel.: +49 (0) 2381 302 20-74

  further information / vita

Bachelor's degree at the SRH University of Applied Sciences in Hamm with a focus on "Energy Management".
IHK certified project manager and member of VDI.
Energy auditor according to EDL-G
BAFA approved consultant for on-site consulting

Priorities: Energy management and energy efficiency

Benedikt Prange

M. Eng. Environmental Engineering

   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

   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 Nolte

B.Eng. Civil Engineering

   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

   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

Björn Häming

Consultant for Press and Public Relations

   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

   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

Dr. Yuki Asano

Communication Studies

   vCard
  Tel.: +49 (0) 2381 302 20-0

  further information / vita

Master's degree (language teaching research) at the Ruhr University Bochum
Doctorate (linguistics) at the University of Konstanz
Extraordinary professorship at Hokkaido University
Main areas of research: Psycholinguistics

Main areas of work:

Bridge Function between Japan and Germany

Communication in the fields of building energy efficiency, digitalisation of construction (BIM) and serial construction

Ecoprofit in Japan (in particular sustainability awareness, sustainable communication)

Sascha T. Kunstmann

Master of Arts

   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

Ayumi Schleithoff

Event Management

   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

   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

   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

Marion Müller

Office Administration

   vCard
  Tel.: +49 (0) 2381 302 20-12

  further information / vita

Secretary, contact person in the areas of administration / accounting and course coordination.

Nurcan Karaoglu

Office Administration, Personnel

   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

   vCard
  Tel.: +49 (0) 2381 302 20-21

 further information / vita

Paralegal, contact person in the areas of administration and course coordination.