Ramon Castillo is a Systems Engineer III. Colleagues describe him as "Ramon is a consummate professional. His excellent communication skills coupled with a very strong technical background regarding network testing made him an invaluable asset to both our customers and the NetScout Test Optimization sales team that he supported. Ramon is reliable, trustworthy and a pleasure to work with. I highly recommend him. " and "Ramon is a first level support engineer who has demonstrated outstanding ability to assist with technical customer issues and drive a timely and satisfactory resolution. His ability to analyze the client situation and direct a resolution in a professional and timely manner has enhance client perception for NETSCOUT solutions and support."