Ieltxu graduated in Industrial Engineering from the Bilbao School of Engineering and has extensive experience in the field of sustainable insulating materials. He is currently the Delegate of the SAINT-GOBAIN ISOVER Northern area. He has extensive experience in the field of construction materials and has worked as a Project Technician at Saint Gobain Wanner, North-eastern Area Commercial Technician at Saint Gobain Isover, Acoustic Technician at Cementos Lemona, etc.