1926
Creation of the CGOST (Commission Générale de l’Organisation Scientifique du Travail) within the CGPF (Confédération Générale de la Production Française, an employers' association founded just after WWI). Its mission is to disseminate and promote the ideas and methods of the OST. Jean Mihaud, a young Polytechnique graduate, is made Secretary General; he immediately sets about breathing life into this new type of research laboratory where politics, management, industry and international affairs intersect.

1928
CGOST publishes its first major study. Led by Emile Rimailho, it concerns cost price calculation, and is aimed at reducing costs.
1929
During a fact-finding trip to the United States, Jean Mihaud discovers ‘experience sharing’, a practice started by the Twentieth Century Fund and its founder, Edward Filene, with his department store employees.
1930
CGOST's first research section opens. Eventually there will be seven sections, one for each department in a company. By 1934, their work is in full swing.
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1936
During an interview, Jean Mihaud says "cegos" instead of pronouncing each letter of the acronym, CGOS. The name sticks and Cegos is born.
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1937
The Cegos "Personnel" section holds a study day on employee teamwork, training and management. Experiments are presented on the role of social training of supervisors at Renault.
Rimailho's study on a uniform method of calculating cost price is published, with a preface by Auguste Detoeuf, founder of Alsthom and President of Cegos.
Flooded with requests, the Cost Price section develops a consulting service for all businesses. This signals Cegos' entry into the field of consultancy.
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Challenges and successes : 1948-1969 >>