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Creator of the .NET XSLT 3.0 processor Exselt, which is currently in beta.

You can reach me via Twitter (sometimes), by mail at (be careful not to look like spam), or through my companies Exselt or Abrasoft (consultancy).

I'm an invited expert of the W3C XSLT and XQuery Working Group where we develop the next version of XSLT: version 3.0. Since September 2015 the group went public, which means that most of the mail discussions can now be actively participated in. If you find a bug or other issue with the XSLT 3.0 specification, you can send a mail to, or you can visit the archives (since Sept 2015).

  • Amsterdam, The Netherlands
  • Member for 2 years, 1 month
  • 2 profile views
  • Last seen Mar 30 '17 at 7:43