context: In 1993, ICI Pharmaceuticals demerged to become Zeneca, and in 1994 he was appointed chief executive officer of the new company.
source: McKillop became chief executive officer (CEO) of the merged company.
reference_original: McKillop se convirtió en el director ejecutivo (CEO) de la compañía fusionada.
reference_flipped: McKillop se convirtió en la directora ejecutiva (CEO) de la compañía fusionada.