It depends upon your career choice.If you want to go for R&D career than you might want to obtain Ph.D.
If you want to go for a buisness career, MBA would be good choice for you.
There are cetain part-time MBA course offered by uni like Rugers! (I assume you are from Tristate area).
Rutgers offers Mini MBA cetificate course for Biopharam professionals. Which carries 3 credits and you can continue your MBA in future if you really want.