To enhance learning, weeks of lectures are alternated with periods of company work, and Fellows are required to submit monthly reports regarding their work at the companies. The study curriculum includes classes in accounting, strategy, marketing, entrepreneurship, innovation management, operations, corporate finance, business ethics, investments, leadership and human resources management. Moreover, throughout the year several "lectiones magistrales" are usually given by CEOs and industry experts on topics related to management, innovation and entrepreneurship. Admission to the CDI M.B.A. program is extremely competitive. The Paris branch alone, on average, receives more than 1500 applications every year. About 90 students are selected to become CDI Fellows and about 15 doctoral students are admitted to the program. As the school name suggests, Engineering graduates make up for the majority of the student body; throughout the years, however, graduates in mathematics, physics, natural sciences and economics have also been admitted. The selection process is based on personality and leadership capacities, as well as on excellent academic record in the engineering or scientific field (MSc, PhD level or equivalent). The admission process includes interviews. CDI Fellows hail from a variety of countries, educational institutions and cultural backgrounds. Represented countries include France, Germany, Italy, Spain, the United Kingdom, Switzerland, Austria, the United States, Canada, China, South Korea, Japan and India. In the past, CDI Fellows attended institutions such as:  In Germany, the CDI has formal co-operations with the Studienstiftung des deutschen Volkes and the Stiftung der deutschen Wirtschaft (SDW). The CDI maintains a strong alumni network, which in turn results in an extensive network of industry connections, since many former students have taken up positions in their sponsoring companies after graduation. Companies with links to the Collège include, but are not limited to: