Where to get started - career "reboot" looking to move into Architectural Acoustics -Acoustics Forum-Acoustic Fields Forum

After a many years of being unsatisfied in my occupation, IT Engineering, I’m ready to get more serious about starting a transition into something that is fun, challenging and interesting to me. However, I have no idea where to start. It seems in my area, Louisville, KY, the opportunities to start a business centering on architectural acoustic consulting, etc is there, I can’t find much in the form of existing companies, but again where does one start? I have shade tree, self taught, self experimentation, knowledge, but would certainly want to partake in either actual educational programs or potentially do some pro bono work for a regional outfit, but again … where to begin? Thoughts or recommendations from a those who have made this a lifes work?