Cognizant has appointed former EY executive Rob Walker as the MD of its UK and Ireland operations. He will be based in London and lead Cognizant’s operations in the UK and Ireland, including strategic planning, commercial development, and client delivery. Walker has 24 years of experience advising clients, including FTSE 100 and Fortune 500 firms, across a wide range of sectors and industries. His most recent stint was with UK&I Consulting Markets Lead for EY.