John Storrs Hall is involved in the field of molecular nanotechnology. He founded the sci.nanotech Usenet newsgroup and moderated it for ten years, and served as the founding chief scientist of Nanorex Inc. for two years. He has written several papers on nanotechnology and developed several ideas such as the utility fog, the space pier, a weather control system called The Weather Machine and a novel flying car.
Hall was also a computer systems architect at the Laboratory for Computer Science Research at Rutgers University from 1985 until 1997. In February 2009, Hall was appointed president of the Foresight Institute.