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

   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 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

   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 20-0

 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

   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


  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

   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)

Raphaela Mersmann

Dipl.-Ing. Architecture, Master of Building Physics

   vCard
  Tel.: +49 (0) 2381 302 20-41

  further information / vita

Study of architecture RWTH Aachen (diploma), study of building physics Stuttgart (MoBP), member of AKNW, several years of activity in the field of green building and building physics, LEED AP Building Design and Construction

Eva Düll

student assistant


  Tel.: (0 23 81) 3 02 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

   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

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.

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.

Ivelina Radeva-Arndt

Architect

   vCard
  Tel.: +49 (0) 2381 302 20-63

  further information / vita

 

Lisa Bleser

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

Eva Düll

student assistant


  Tel.: (0 23 81) 3 02 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

   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

   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

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 BAFA certified energy consultant according to EBN module 1 DIN EN 16247
BAFA certified energy consultant according to EBN module 2 DIN V 18599

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 Bleser

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

Edward Herdt

M. Sc. Mechanical Engineering

   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

   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

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

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

Yayoi Matsubara

Bachelor of laws | Tokyo office

   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

   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.

Deborah Haselow

Office Administration

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

 further information / vita

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