1948

Cegos achieves the status of Association under the law of 1901. TWI (Training Within Industry), which covers the art of instructing, leading, and improving methods, is flourishing. Cegos obtains approval to provide training in the method. Working in the area of TWI marks the beginning of the Cegos in-company training programmes.

1949

A team of engineers is brought together to form the Department of Research and Applications (DRA). It is financially independent, has autonomous decision-making power, and handles activities other than those stemming from experience sharing. This is the beginning of the decentralized management style which Cegos later adopts.

1951

Following the TWI sessions conducted in the Charleroi construction workshops and a session organised at Peugeot-Sochaux, the first training courses are created. Their focus is management control techniques and commercial management.

1955

Creation of IDET (Institute for Economic and Technical Development), a company with variable capital stock that is owned by the Association and in part by staff. The Cegos group is thus born. Cegos creates three divisions, opting conclusively for decentralized management.

1956

Octave Gélinier launches the "Art of Leading" training course. Over the next 50 years, more than 2,000 senior executives will sign up for this seminar.

1958

TEA (Tecnicos Especialitas Asociados) forges ties with Cegos, which takes a majority share in TEA in 1960. Cegos now has a subsidiary in Spain.

1959

Following the arrival of Albert Grazie, a former minister and union leader, Cegos branches into a new business – cooperation with developing countries. The Technical Cooperation sector sells its services to newly independent African countries, and begins thinking of future relations with North Africa. A subsidiary in Italy is created.

1962

The recruitment business takes the name Sélé-Cegos. Diversification is vigorously pursued. One major acquisition is Auroc, a company specializing in operational research techniques. A subsidiary in Portugal is created.

1965

Octave Gélinier publishes two books: Morale de l'entreprise et destin de la nation (Company Ethics and National Destiny) was one of the first works on ethics and management to enjoy commercial success in France; and Le secret des structures compétitives (The Secret of Competitive Structures). Gélinier is recognized as one of France's leading management experts.

1968

Cegos asserts its intellectual role with the dissemination of managerial concepts such as participative management through objectives, and the publication of research management reports on the systems approach to management.

The publication of the first Cegos salaries survey marks the beginning of a long series of studies.

1969

Cegos opens offices in Lyon and establishes its international division. Creation of an American subsidiary, Cegmark.