Nelson assumed his current role in 2013. Emirates NBD is the second-largest bank in the U.A.E. and the fourth-largest in the GCC. It recorded a profit of $4.8 billion in the first nine months of 2023 and had assets worth $227.7 billion as of September 2023. The bank has more than 20 million customers and employs more than 30,000 people. Nelson is also on the board of directors for Emirates Islamic Bank, Emirates NBD Capital Limited, Emirates NBD Capital, and Tanfeeth. He is a founding member of the Higher Colleges of Technology Industry Advisory Council.