Hi everyone,

I have a few questions to ask concerning switching a major on PhD. So far I have obtained the following degrees: BBA (marketing); PG; MBA (marketing management); MSc (economics/marketing). Soon I will start with my doctoral studies in organizational science and management with concentration on strategic management. Currently, I work (part time) as TA lecturing courses which are primarily related with marketing. However, I'm getting fed up with marketing and that is why I want to expand my knowledge in a more complex field such as strategic management. Hypothetically, after my PhD, can I still lecture both courses (marketing & management) cause my research expertise is versatile?
Overall, is changing major a good thing? I would really appreciate if anyone who has been in the same situation as me advice me on this particular issue.

Thank you.

Best,
ZI11

Speaking in more abstract and anecdotal terms (from my experience), I find that shifting majors can be part of the refining process in pursuit of a genuine interest. I went from BA Theology, to M.Sc. Intl Trade Policy now to a PhD in Environment & Politics at a top 10 uni (depending on who you ask LOL). A slight shift in interest at PhD level is expected since the research is so specific, you may find yourself pursuing a tangent rather than staying in the general field.

I was never blessed to know exactly what I wanted to do until I was about 36, I just knew a few things I was good at, and I honed those skills until the thing I was best at / most interested in revealed itself.

I'm biased, but I think a diverse background makes you a more interesting individual and provides you with more tools to operate with within your environment also making you more capable (read well rounded).