Whew! After a phlanx of interviewees and resumes, late nights, early mornings and lost lunches, you've just hired that new team member. Now you can sit back and focus back on work. Not so fast. It's important as they're new boss to make this transition period in their life bump- and trouble-free. It will not only behoove you, but will also ensure that your new hire is happy, engaged, enthusiastic, and motivated.