Sutro Software founder John Petersen previously managed portal development for Epicentric and Vignette. His post-Vignette consulting work on real-world portal implementations prompted him to design and develop Siterise (formerly Portal Spy), now in its 5th major release. John has worked on the Epicentric / Vignette / OpenText web platform since 2000.
Gregory Guttmann is the former Program Director for the Epicentric / Vignette Portal and Builder products. His team was responsible for defining the functional specifications of the products and managing the design and releases of the product. In 2005, Greg has won numerous awards from Vignette including Team of the Year for his successful implementation of a project for NASA. Greg has worked on the Epicentric / Vignette / OpenText Portal platform since 2001.
