ABB Chief Technology Officer Banerjee to follow CEO Hogan in leaving ABB announced Chief Technology Officer, Prith Banerjee, has decided to leave ABB for family reasons. Banerjee will be leaving ABB in the next few weeks and a date for his departure has not yet been decided, the company said. Banerjee will be relocating to the United States where he will be taking another position outside the company and a successor will be announced in due course, ABB added. Note that the company also said May 10 that Chief Executive Officer Joe Hogan has decided to leave for private reasons, though Hogan will continue to lead ABB until a successor is announced.