You might have more luck looking for biographies of founders and company histories instead of case studies. It might be especially useful to look for biographie

You might have more luck looking for biographies of founders and company histories instead of case studies. It might be especially useful to look for biographies of founders who have something in common with you and histories of companies that do (or did) work that is in some way related to the kind of work you desire to do or that otherwise have some kind of connection or thing in common with your intended project.