Jean Tunis is a performance engineer and principal consultant with RootPerformance. For over two decades, he has been helping IT teams minimize cost and lost productivity due to performance problems. The last 5+ of those years have been as an independent consultant. Jean works with companies in various industries - from financial services to healthcare - to improve end user experience through better measurement and monitoring. When not consulting and training on performance-related topics, Jean can be found writing for several industry and corporate blogs and testing and reviewing monitoring tools for his YouTube channel.