I know you will have fun with this job.
From another job I had, I knew all the LQS owners locally. They were an amazing and encouraging group. I could find more than enough local quilters/designers to do programs.
One of my quilt groups has a great budget, so they try to get national teachers twice a year. You will need a year advance planning for most of these folk, but they are willing. Maybe you could coordinate with another guild or LQS to share the cost of bringing the teacher to town. Or, as in this group I am in, have the teacher do a weekend class and charge for it.
Keep good records.
The most frustrating things:
-whoever set up the program doesn't always get the credit for the arrangements.
-members make suggestions that aren't followed up in a timely manner so they quit giving the program chair ideas.
-the program chair doesn't acknowledge help received.
ali