The website is cannabisstudies.nmu.edu
They feel that the future of the cannabis industry is very bright and they offer certificates for: the business of cannabis, cannabis healthcare and medicine, cannabis law and policy and cannabis agriculture and horticulture. They say these will be good steps for a career in cultivation, business, accounting and finance, distribution, compliance, manufacturing and product development, marketing, medicine and healthcare, retail, sales and Human Resources.
They feel that cannabis is one of the fastest growing industries in the country with a lot of demand for qualified professionals. These certificates are non-credit university certificates with "focused instruction from top experts in the cannabis industry".
Aside from that, sure. Someone needs to grow it, process it, distribute it, and sell it. My understanding is that a physician must prescribe it in states where there is only med-marijuana (some states do not allow recreational use yet), so you could become a physician.
Now, how stable those careers are, their growth potential (forgive the pun), and their market cap. is a big unknown.