Elon Musk and Bill Ackman have backed NVIDIA CEO Jensen Huang amid controversy over a personal affair and potential espionage. Supporters emphasize Huang. New Delhi, Nov 9 : Tesla CEO Elon Musk and billionaire investor Bill Ackman on Monday backed NVIDIA CEO Jensen Huang amid a controversy, urging people to support the technology leader and his family and endorsing a defence of Huang’s importance to US artificial intelligence leadership.