Part Two of a Two-Part Series on Transitions If you are just arriving at the NIH as a summer student, postbac, graduate student or postdoctoral or clinical fellow, adjusting to your experience at NIH represents a transition that will be one of many transitions you will face in your career. You may be starting a new phase after leaving a comfortable niche in your undergraduate or graduate university. Or you may be exploring some new opportunities. Having a model or road map for your transition can be helpful.