Didier Bellens (9 June 1955 – 28 February 2016) was a Belgian businessman. Until 15 November 2013, he was the CEO of Belgacom, the leading telecommunications company of Belgium. He was married and had three children. He died on 28 February 2016.
Bellens graduated in 1978 as a commercial engineer at the Solvay Business School of the Université Libre de Bruxelles (Brussels).
Bellens started his career in 1978 as an auditor at Deloitte Haskins & Sells. During his time at Deloitte he was engaged on the audits of the Belgian subsidiary of General Motors. In 1981 he became financial director of the Compagnie Brussel Lambert holding (GBL). He managed the investment portfolio and prospects potential investments. He became Deputy Manager of the Pargesa Holding in Geneva in 1985, where he was responsible for the management of holdings, mergers and acquisitions. Didier Bellens manages the participations of the GBL group in the company.
In 1992 Didier Bellens came back to the Groupe Bruxelles Lambert as Managing Director, taking charge of the group's strategic participations in companies such as Royale Belge, the BBL, and the CLT. He played an instrumental role in the merger between AXA and Royale Belge, and the change and the negotiations leading to the merger between CLT (Compagnie Luxembourgeoise de Télédiffusion) and UFA. He also participated in the exchange of shares between RTL and Bertelsmann, which gives RTL a minority participation in Bertelsmann, and the change of ownership of the BBL. He joined the RTL Group in 2001, which is created through the merger of CTL-UFA and Pearson Television (now FremantleMedia), as its CEO, where he focused on the group's international expansion. He concluded the merger with Pearson Television and launched the RTL Group on the stock market.