This question is about Hoffmann-LA Roche Inc.
You have to be 21 years of age or older to work at Hoffmann-La Roche. This is because of the nature of the prescription drugs they manufacture. Most positions at Hoffmann-La Roche require at least a bachelor's degree, if not a master's or doctorate, as well as industry experience.
All of which take time to develop. The average age of an employee at Hoffmann-La Roche, for example, is 34 years old.