https://www.washingtonpost.com/news/wonk/wp/2016/02/29/the-myth-and-the-reality-of-donald-trumps-business-empire/?utm_term=.d14fe1f90c86
https://www.theguardian.com/us-news/2016/mar/14/donald-trump-former-employee-interviews-ego-diversity
These two don't necessarily answer the question, but he clearly has his ego. How often do you see him giving credit to others for successes....I am just calling it as I have followed him the last several years. I don't think he is the "bad" guy everyone points him out to be.....but the go is there beyond anyone...I have worked for bosses like him...they are what they are.