Erik Ostermueller has spent the last 10 years leading international performance engineering teams, tuning high-throughput Java financial systems in North and South America, Europe, and Asia. In 2011, he presented a paper entitled “How to Help Developers (Finally) Find Their Own Performance Defects” at the Computer Measurement Group’s annual international conference, where he won Best Paper and the Mullen Award for best speaker. The proceeds of this award financed an eight-city speaking tour in the US, Canada, the UK, and Italy. Erik is the technical lead for the Performance Center of Excellence at FIS Global. He is the founder of heapSpank.org and wuqiSpank.org, and a contributor to JMeter-Plugins.org and other open source projects. He lives in Little Rock, Arkansas and plays soccer, tennis, and the piano.