If there is a microbrewery in your area, offer to volunteer on the bottling line, cleaning kegs, shoveling out the mash, etc. This will endear you to the brewers there. They will then tell you all about the industry.
Check out the brewing schools such as Siebels, American Brewers Guild, UC Davis, having a brewing education is becoming more valuable to employers.
Read everything you can get your hands on.
Start raising money right now.