Webasto's core competencies include development, production and sales of sunroofs, panoramic roofs, convertible roofs and parking heaters. With electric heating systems, charging solutions and battery systems, the supplier is also addressing the growth market of electromobility. Continuing just-auto/QUBE's series of interviews with tier one suppliers, we spoke to Dr. Holger Engelmann, Chairman of the Management Board, Webasto SE about the company's roof systems business.