Benny began his career at Standard Life in 1983 where he joined as an actuarial student and went on to become a member of the Standard Life Group Executive Committee in 1996. In 1997 he moved to RBS to become Chief Executive of Retail Banking. He was with RBS until 2005, during which time he led the successful integration of NatWest Retail Banking – one of the largest hostile takeovers ever undertaken in banking. He became Chief Executive, Retail, HBOS in 2006 before joining Tesco Bank as Chief Executive in 2008, a position he held until February 2018.