TransDigm announces retirement of President and COO Raymond Laubenthal TransDigm announced the retirement of President and COO Raymond Laubenthal. Laubenthal will stay on with TransDigm for a transition period expected to be through December 31, 2014. The board intends to appoint Laubenthal as an additional member of the Board of Directors of the Company following his retirement. The operational responsibilities for TransDigm's business groups previously held by Laubenthal will be divided between two executives. Robert Henderson will be the Chief Operating Officer – Airframe Group and Kevin Stein will be the Chief Operating Officer – Power Group.