For Mark V Systems Limited, contributor to, and manager of Arelle open source XBRL project; contract support for integration, deployment and databases for XBRL technology.

For XBRL.org, chairperson of Formula and Rendering Working Groups, vice chair Base Specification Working Group, member of Standards Board 2009-2014, and developer of specifications, test cases, and tutorials on XBRL Abstract Model, Formula, Dimensions, Rendering and Versioning.

An L.A. native, his MS and BS are from UCLA.