Jem is a highly experienced business leader and technologist having previously served 18 years at Arm. He is a former Engineer and was an Arm Fellow holding multiple patents on CPU and GPU design. Latterly, Jem's career moved into business management and he became a GM first in Arm's Media Processing Groups, then the founding GM of their Machine Learning group. In addition to setting future technology roadmaps, he also worked on several acquisitions leading to building new businesses inside Arm, including the Mali GPU – the world's #1-shipping GPU and Arm's AI processors. Jem left Arm in 2021 and currently is chair of NAG and a non-executive director of Literal Labs, CamAI and BOW.