Ya yi aiki a matsayin Shugaba da Shugaba.
Tabbas, mafi rikitarwa na jumla shine "Ya yi aiki a matsayin Shugaba da Shugaba Irwin ya kasance tare da MediaVest Worldwide na tsawon shekaru 6 har zuwa watan Satumbar 1999 lokacin da ya shiga WPP plc a matsayin Shugaban da Shugaba na MindShare Worldwide. "