It’s not really appropriate to give out other people’s contact information, much less online. The Dine with an Imagineer offering would probably be a great opportunity. You can also find a variety of books, articles and podcasts out there that include present and former Imagineers.
A good chunk of One Little Spark! by Marty Sklar is a FAQ.
Building a Better Mouse by Steve Alcorn is a great diary about building The American Adventure.
The Season Pass Podcast archives have lots of interviews.