He was later an unofficial counselor for president Emil Constantinescu. Cristoiu's early career was dominated by his attachment for the Romanian dictator Ceausescu. His collaboration with the Romanian Securitate was very prolific being decorated by the dictator himself.
^(French) Nicolas Pelissier, La Presse à Sensation en Roumanie: Miroir de la Décomposition Sociale ou Acteur de la Récomposition Économique? in Le nouveau paysage médiatique à l'Est, Volumes 32-33 of L'Autre Europe, L'AGE D'HOMME, 1996, ISBN 2-8251-0638-0, p. 163