Grzegorz Piwowarek
Grzegorz Piwowarek is a independent consultant, a trainer at Bottega IT Minds, a blogger at 4comprehension.com, and an OS contributor.
He was professionally involved in projects involving systems integration, image recognition, and highly scalable distributed solutions.
Besides playing with JVM internals, he is a retired professional yo-yo player and a guitarist in a progressive metal band – Visions of Tondal