John Mercer

John Mercer
John Mercer is the former principal technical officer for document security matters for the US passport and visa. He chaired the Design Development Team for the US chip-enabled passport, and he served for seven years as the Chairman of the ICAO Document Content and Format Working Group, which wrote and updated international specifications for passports, visas and travel cards. He has written and presented many technical papers in the field of travel document design and security features and is the Chair of the Optical Document Security Conference.

Errors in machine readable travel documents

This article is part 4 in a series on errors in machine readable travel documents. The previous articles focused on various international travel documents...

Errors in travel documents

Prior to 1 April 2010, which was the ICAO deadline for member States to begin issuance of machine readable passports, much emphasis was placed...