Luis E. Rodríguez is a Design Engineer with L.A. Turbine in Valencia, California, where he is responsible for the mechanical design of turboexpanders. Previously, he served for 10 years in the engineering department of Sulzer Turbo Services (now Sulzer Rotating Equipment Services) in La Porte, Texas. He has co-authored papers published in the ASME Journal of Tribology and the STLE transactions. He holds a B.S. degree from Universidad Simón Bolívar in Venezuela (2001), and a M.S. from Texas A&M University in College Station, Texas (2004). He is a licensed Professional Engineer in the State of Texas since 2007 (currently inactive).