Ir. Rob van Holsteijn
Background: Industrial Design Engineering at the Delft University of Technology. Co-founder/director of VHK.
Over 18 years experience as a consultant in the Central Heating boiler, water heater, ventilation and radiator business for Nefit/Fasto (NL), Buderus (D), Caradon (UK). Technical consultant for Amsterdam Airport Schiphol. Energy policy consultant for Gas Appliances and Micro-cogeneration (fuel cells for stationary and mobile applications). Currently involved in micro CHP study for British Gas, SAVE studies for energy labeling of Central Heating Systems and Water Heaters, as well as studies on Future Energy Concepts for Novem. Fluent in English, Dutch; active and passive knowledge of French and German.
direct line: +31 15 2755 760
e-mail:

Ir. René Kemna
Background: Industrial Design Engineering at the Delft University of Technology. Co-founder/director of VHK.
International experience in design and engineering of whitegoods, lighting and (office) furniture industry (Italy, Germany, Netherlands). Teaching experience at the DUT and Design Academy in Eindhoven. Responsible for consultancy on energy efficiency policy and Ecodesign of electric domestic appliances and lighting. Involved in EU and IEA projects regarding energy policy support for refrigerators, washing machines, CH Pumps, water heaters and ovens. In 2001-2002 he had a mandate to represent the Netherlands as a permanent technical expert in the EU's Energy Labeling Regulatory Committee (ELRC). Fluent in English, German, Italian, Dutch; active and passive knowledge of French.
direct line: +32 2 345 9275
e-mail:

Ir. Martijn van Elburg
Background: Industrial Design Engineering at the Delft University of Technology. Research director at VHK.
Previous work experience includes topics such as ecodesign, sustainable building, pollution prevention, product oriented environmental management (POEM) and eco-labeling (European Commission - DG ENV).
At VHK responsible as a senior consultant for research on sustainable buildings, eco-efficient consumer durables and product-service systems. Networks in Ecodesign (secretary of O2 Netherlands, network for sustainable design). Fluent in English and Dutch; passive knowledge of French and German.
direct line: +31 15 2755 772
e-mail:

Ir. Ing. Roy van den Boorn
Background: Applied Physics at the Hogeschool Zuyd in Heerlen and Technical innovations sciences with specialisation in Sustainable energy at the Eindhoven University of Technology. Research engineer at VHK.
Involved in design engineering and international research projects. International experience in research projects in Finland and Estonia. Fluent in English and Dutch; passive knowledge of French and German.
direct line: +32 2 345 9275
e-mail:

Ir. William Li
Background: Industrial Design Engineering at the Delft University of Technology. Design engineer and graphic designer at VHK.
Activities include product concept design, development and engineering, 3D CAD, 3D modeling and animation, software/user interaction design. Responsible for 2D/3D visual design and presentations. Projects also include multimedia presentation design and website development. Fluent in English and Dutch, passive knowledge of German.
direct line: +31 15 2755 771
e-mail:

Background: Industrial Design Engineering at the Delft University of Technology. Research engineer at VHK.
Experience in ecodesign and testing of consumer products, mainly with emphasis on energy consumption and durability, like light bulbs, CH boilers and other domestic appliances. Responsible for research studies and consultancy on ecodesign of domestic and professional appliances. Involved in studies on electric products like ovens, hobs and grills. Fluent in Dutch and English, passive knowledge of German.
direct line: +31 15 2755 770
e-mail:

Nicole Koot
Office manager at VHK, responsible for office management, administration, communications, human resources and public relations.
Fluent in Dutch and English; active and passive knowledge of French, German and Spanish.
direct line: +31 15 2755 775
e-mail:

Prof. dr. Eur. ing. J.M. (Hans) Dirken
Professor of Industrial Design Engineering and Product Ergonomics at the Delft University of Technology since 1972. 
He has initiated and coached about 150 projects on product development in industry, innovating furniture, medical equipment, packaging etc. He has published several books and many articles on research projects and on developments in industrial design engineering. 
Professor Dirken holds doctor degrees from the Amsterdam University (NL) and the Brunel University (UK) and a Eur Ing degree. He has held positions as Rector Magnificus of the Delft University of Technology, Dean of the faculty of Industrial Design Engineering, chairman of the Dutch Consumers Union, member of the National Energy Council and of many other boards. Fluent in Dutch and English and reads other European languages.

Prof. dr. ir. Philip J. Vergragt
Prof. Dr Philip J. Vergragt is currently a Visiting Scholar at MIT, Centre for Technology, Policy and Industrial Development, Massachusetts, a Visiting Senior Fellow at Tellus Institute, Boston, and a Visiting Professorial Fellow at the Manchester Business School, University of Manchester, UK. He is Emeritus Professor of Technology at Delft University of Technology, The Netherlands.
After he took a Ph.D. in Physical Chemistry he worked as a lecturer in Chemistry and Society, was a researcher in Technology Dynamics, and later worked as a policy maker at the Dutch Ministry of the Environment. As a Deputy Director of the 5-ministries Sustainable Technological Development (STD) Programme, he directed "back-casting" projects in fields as the hydrogen economy and the household. He currently directs the international EU-funded project "Strategies towards the Sustainable Household". He takes a special interest in the interplay between technology and culture.
Professor Vergragt was born in 1945 and is the proud father of two adult children, a daughter and a son.

Prof. dr. ir. Han Brezet
Professor of Design for Sustainability at the Delft University of Technology, faculty of Industrial Design Engineering.
Professor Brezet studied electrical engineering at the Delft University of Technology, after which he took a Ph.D. at the Erasmus University Rotterdam in the field of environmental sociology. With his background as a consultant for clean production, he is currently also research director at the Kathalys centre for sustainable product innovation.