Shredder here... well, sort of. I'm at amateur level.
I'm 33 and have been playing since age 17, but with some long black-out period in between. I played in 4 bands overtime (3 before the black-out), but only 2 were serious enough to get some gigging. I studied with private teachers for the first 5 years, then turn to self-teaching. My last band stopped activity about 5 months ago due to drummer's health problems which aren't solved yet; out of respect for her, we didn't seek another drummist and we're instead planning to turn from a gig-oriented cover band to recording originals, which supposedly should be less demanding for her health.
I owned several pieces of equipment through the years, but today I'm downsized to just the minimum: one electric (Charvel), one classical (non-famous brand), one effect processor (Boss GT-8), and one amp (Squier).
I'm a rock-type guitarist: Pink Floyd, Led Zeppelin, Lenny Kravitz... not much "shread" here, but as part of personal studies and exercise I've always challenged myself with some classic shread too, mostly Satriani, Vai and Petrucci (some lucky songs by them I can play, but definitely not the majority).