As mentioned earlier, the Juris Doctor is a degree that prepares the recipient to enter the profession just like the M.D. degree in the medical profession.
Executives in various startup organizations may also need to undertake the Leading the Customer-Driven Organization program. Students pursuing the MBA degree in business administration may choose it as a major subject in their curriculum.
Well, basically engineering managers supervise teams if engineers during the design and development of medical equipment, computer hardware and electrical devices. A number of programs are offered in this field i.e. associate, bachelor, masters degrees. FYI, if you just got out of field, Associate in Engineering management can get you in this field easily, take a look: http://www.excite.com/education/business/engineering-management/associate