Greyrock Energy added Andrew Hinkly to its board of directors. Since 2012, Hinkly has served as executive head of marketing at Anglo American Platinum. He joined Anglo American in 2008 as group head of procurement and supply chain. Prior to that, he worked for 20 years at the Ford Motor Company, including time spent as executive director of Americas procurement from 2005 to 2007. Hinkly holds a B.Sc. in civil engineering from Loughborough University and an MBA from Manchester Business School.