juergen dieter praest


Through E&M Combustion, Juergen is a key member of the W2H2 Project Implementation team to convert fossil fuel heated boilers into being hydrogen fired. E&M Combustion has expertise in Hydrogen Burner Manufacturing and project implementation.


  • 1978-1981 : Training to steel constructor, Richard Naumann KG, Isselburg (Germany)
  • 1989-1994 : Technical Engineering, GH University of Duisburg (evening University/Germany)

Additional education:

  • 1988 : Training course for boiler safety, TRD. TÜV Rheinland, Aachen (Germany)
  • 1993 : Training course for emission reduction at furnace systems, Gas-University Groiningen, (Holland)
  • 1994 : Training course ISO QUALITY SYSTEM ISO 9000 German Babcock, Oberhausen (Germany)
  • 1995 : English spoken. First certificate at the High school Wesel (Germany)
  • 2002 : Company management course, Zurich (Switzerland)

Work Experience:

  • 1982-1984 : Heating and Ventilation engineering works. Company: MHS KG Rees (Germany)
  • 1984-1986 : Steel construction engineering, work leader. Company: Scharrenberg und Lenz, Xanten (Germany)
  • 1987-1988 : Power plant engineering, work leader for commissioning worldwide. Company: Walter Kraps GmbH, Voerde (Germany)
  • 1988-1993 : Investigation and evolution of liquid and gas fuels for furnace and boiler systems. Emission reduction of burner and boiler systems at the environmental test area of the German Babcock in Friedrichsfeld (Germany)
  • 1994-1997 : Commissioning of furnace systems worldwide. German Babcock, Oberhausen (Germany)
  • 1997-2000 : Leader of commissioning for catalytic converter systems at power generator plants in the USA. Company: Kaparta AG, (Switzerland)
  • 2000-2003 : Emission reduction and commissioning of furnace and boiler systems. Company: Oertli-Induflame, Schwerzenbach (Switzerland)
  • 2003-2005 : Production leader of the Oertli-Induflame industrial burner production in Nanchang, China. Company: Oertli-Induflame, Schwerzenbach (Switzerland)
  • 2005-2007 : Production leader of the Ammann industrial burner production in Shanghai, China. Company: Ammann Construction Machinery, Shanghai (China)
  • 2007-2008 : Production leader of the Costerm Jiangxi industrial burner production in Nanchang, China. Company: Costerm Group, Capelle a.d. Issel (Holland)
  • 2008- : General Manager of sales, service and commissioning for Asia. Company: E+M Combustion, Artea (Spain)