Gretta Chahine has been directly involved in the development, implementation and maintenance of the corporate taxonomy. For the past 7 years, Gretta has been the corporate taxonomist and the Enterprise Portal & Search leader where she created and developed Caterpillar Taxonomy and formed a community of practices addressing taxonomy and content management issues as they relate to search and fundability challenges. She created and set up Caterpillar's web standards where the goal of that project was to deliver a common "Top Navigation"/Taxonomy Standard for Caterpillar Intranet.