Mark led the development of the AGORA prediction market platform while at investment firm Winton Group, where he worked for a decade, and at Hivemind, a technology company spun-out from Winton in 2018. He has a Ph.D in planetary science from Caltech for a thesis on the predictability of El Niño and he continued research on climate predictability at Oxford and Pennsylvania State Universities before working at the U.K. Met Office, prior to joining Winton. At Winton he led the integration of weather and climate information into quantitative trading strategies.