Webjack welch, a titan of american business who transformed general electric (ge) into america's most valuable company, has died aged 84. He ran the us. Webjack welch, the former chairman and ceo of general electric, whose business prowess catapulted the company to the most valuable in the world and made. Webjack welch, a titan of american business who transformed general electric (ge) into america's most valuable company, has died aged 84. He ran the us. Welch ran general electric for two decades and built the company into one of the world's most.