Philip Allen is the Chairman of XBRL UK, the UK jurisdiction of the XBRL International consortium. He devised, and is the editor of, the Specification for Inline XBRL, the standard mandated for company tax filings in the UK and elsewhere. In 1997 he founded, and remains Executive Chairman of, CoreFiling, the world's leading specialist XBRL software and services firm. He was one of the co-founders, in 1987, of CATS Software Inc., a software start-up providing enterprise trading and risk management systems for the capital markets. His earlier career included trading positions in the Swiss Bank Corporation and National Westminster Bank groups.