Daniel Witkowski has worked at Azul Systems for over 6 years. He used to work with Azul Vega appliances, which had up to 768 cores of custom design CPU, trying to optimize systems and scale them up to use more parallel cores and improve performance. Now he works with Azul’s Zing JVM bringing concurrent and pauseless Garbage Collection to a broader audience. He is frequently engaged as a consultant to improve application bottlenecks, system performance and scalability.