A large, diverse, and engaged professional network is an important part of a job search. And part of maintaining a professional network means adding to it on a regular basis. Don’t wait until you need a favor or are desperate to get your resume in front of a hiring manager! Right now, valuable contacts are on the perimeter of your social circle — they’re the parents of your kids’ chums, they’re in your school’s alumni association, and they’re your friends’ friends. So how do you turn these people from relative strangers into valuable network contacts?