It depends I think. If your full-time employer is a corporate giant and has in place related rules governing your external directorship, you may have to comply with it and get your employer's consent prior to starting your own business. 'cause part-time jobs are always assumed to be related to conflicts of interest, especially when you are conducting competing business with your employer....
Why now? 说是换行要早 What makes you unique? 如果这7-8年国外的学习工作经验算的话。 How you plan to add value to the program? 说真的还不太懂 What's your long term aspiration? 最好能开个公司自己做老板吧。。
How is that unique comparing to other candidates studying and working abroad? You need to look for something that's uniquely "you" and no one else possesses.