Contributing in-depth articles on technical and wind market development trends to the Windpower Monthly magazine and website, and for dedicated topic Special Reports. Furthermore, participation into and supporting Windpower Monthly technical conferences, and writing/contributing to dedicated technical reports for Windpower Intelligence.

Contributing in-depth wind technology and wind market development articles. Publication was until the second half of 2011 called WindStats Newsletter

Owner & Managing Director Rotation Consultancy based in Amersfoort, The Netherlands.Main activities: - Wind technology correspondent and contributing editor to various international publications on renewable energy issues. Specialisation in wind power development (wind technology and wind energy, market and technology trends, drive systems, integrated power systems + storage, offshore wind including substructures and installation vessels and related technologies).Additional specialisations in Life Cycle and recycling issuesWind Technology Correspondent to Renewable Energy World magazine & RenewableEnergyWorld.com from 2001 - 2010Contributing editor to WindStats Newsletter since 1997Contributing editor to Duurzame Energie and Energie+ (NL) since 1991Contributing editor to New Energy and Neue Energie from 1997/8 to 2003Contributing editor to Sonne Wind & Wärme and Sun and Wind Energie from 1996 to 2007Contributing editor to Wind Directions from 1999 - 2003Contributing editor to Energietechniek (NL) from 1997 - 2004Contributing editor Nieuwsblad Stromen from 2002 - 2007Irregular contributions to various other publications;- Wind power and renewable energy related Copywriting for international clients (brochures, slogans, et cetera);- Irregular contributions on biofuels, waste recycling, and LCA issues to various international publications;- Guest lectures on wind power development trends, wind market development trends, sustainability and LCA issues.

Writing in-depth technology features on wind power and wind - marine technology topics

Contribute specialist in-depth features and news articles on offshore and onshore wind turbine technology progress and innovation, and international wind market development trends.

Contributing in-depth articles on wind technology and wind energy

Contributing in-depth articles on wind technology and wind market development trends, editorial team advisor and additional advisory services to various Haymarket activities including seminars.

Contributing in-depth articles on wind technology, wind energy and wind market development trends to the Renewable Energy World magazine and RenewableEnergyWorld.com

Main tasks: 1. Providing guest lecturers to various departments on renewable energy and sustainability issues;2. Initiator and projects leader of various innovative projects:- development CompactDrive drive system for a horizontal-axis wind turbine in the 4 - 6 kW range;- development 4 - 6 kW CD5 windturbine incorporating a CompactDrive transmission and various other innovative features;- development wind flow measuring equipment for studying wind flow (speeds, direction, fluctuation patterns) over building roofs and roof edges; Initiator and coach Educational Wind Farm project, a research wind farm comprising at least four different 1.5 MW class wind turbines each with a different drive and control system. Second to test these installations for a prolonged period under normalised conditions (same hub height and rotor diameter; equally spaced and perpendicular positioned to prevaling wind speed). 3. Building and maintaining external relations.

Developing and guiding student teams in various projects including a hybrid drive system for small wind turbines, a measuring device for wind flow over building roofs, the design of a 4-6kW wind turbine, etc.; guest lecturer on sustainability, lifecycle analysis (LCA), wind technology, etc.

International consultancy in Africa and Eastern Europe.Contributing editor to various publications on renewable energy development

Leading product design testing and optimizing in the fields of animal drawn transportation equipment, rotary-drive water lifting windmills, animal powered water lifting devices, post harvest equipment, etc.