Mark is a Senior Software Engineer on the SMS team at MessageBird BV, based in Amsterdam.
He has contributed to a number of open source projects, including a minor submission to PHP's SPL. Currently he is coordinator and lead developer for PHPSpreadsheet (formerly PHPExcel), and a coordinator and developer on the PHPOffice library suite (PHPWord, PHPPowerPoint, PHPProject and PHPVisio).
His particular interests include PHP integration with office suites, Datastructures, Geodata and GIS.
Please remain courteous and constructive. Comments will be moderated.