Your lawyer should do this job, not you. This is ridiculous.
It's better if you write it. Have they given you a template?
OP, what happened to your case? Got an RFE for specialty occupation for a design role as well. Currently awaiting expert letters. I'd love to hear what happened to you!
For what? i140? H1B?
For H1B transfer
Love your username btw. Lmk if google filed yours