looking for a Michigan-licensed Engineer

Hello All, Wondering if anyone here knows of an engineer licensed in Michigan who is sympathetic to alternative building methods. We would like to put an addition on our house made with hempcrete. Our building inspector says he needs an engineer to document the R-value. Any suggestions would be greatly appreciated! Thank you!

Does the R-Value of hemp satisfy your area's required R-values?

Since no one has replied here are a couple of links that may or may not be of value though sending them an email might offer some advice:

https://home.grbx.com/news/sustainable-spotlight/hempcrete/

https://michiganhempindustries.com/what-is-hempcrete/