Jeni Tennison is an independent consultant specialising in XSLT and XML schema development, currently contracted to TSO. She trained as a knowledge engineer, gaining a PhD in collaborative ontology development, and since becoming a consultant has worked in a wide variety of areas, including journal publishing, medieval manuscripts, legislation and financial services. She is author of several books including “Beginning XSLT 2.0” (Apress, 2005).
Jeni was an invited expert on the W3C’s XSL Working Group during the development of XSLT 2.0 and was one of the founders of the EXSLT initiative to standardise extensions to XSLT and XPath. She is currently working on the XProc pipeline definition language as an invited expert on the W3C’s XML Processing Working Group, on the Layered Markup and aNnotation Language (LMNL), and on the DataType Library Language (DTLL).