Bill Kasdorf, kasdorf.bill@gmail.com, is Principal of Kasdorf & Associates, LLC, a consultancy focusing on editorial and production workflows, XML/HTML/EPUB content modeling, standards and best practices, and accessibility. He is a founding partner of Publishing Technology Partners. Active in the W3C Publishing@W3C activity, Bill is the W3C Global Publishing Evangelist. He is member of NISO, co-chairing two NISO Working Groups, and is an active member of SSP, BISG, IPTC, and the DAISY Consortium. Past president of SSP and a recipient of the SSP Distinguished Service Award and the BISG Industry Champion Award, he is general editor of The Columbia Guide to Digital Publishing, serves on Learned Publishing’s editorial board, and is a columnist for Publishers Weekly. Clients have included societies such as NEJM, NAP, IEEE, and ACP; such university presses as MIT, Harvard, Cambridge, Toronto, and Columbia; publishers such as PLOS, SAGE, Norton, Cochrane, and Pearson; and organizations such as the British Library, the World Bank, OCLC, ORCID, and the EU Publishing Office.