For fourteen years, Christian d’Oléon held various positions within the CNPFs Information Department, before heading its Press Office. In 1986, he was appointed Director of Information at the French Ministry of Industry under Alain Madelin and then Roger Fauroux.
In 1990, he was appointed Communications Director of the Association Française des Banques.
In 1992, he joined DGM Conseil, becoming a partner, shareholder, and Managing Director in 2011.