is a senior engineer with Atlas Copco Comptec LLC where he designs gears for high speed integrally geared centrifugal compressors. His career started with the aerodynamic design of compressor impellers, shifted to the design of compressor control systems, and then moved to general research and development of centrifugal compressors. He has been designing gears for over 20 years and, during that time, has also been very active on AGMA committees. He currently serves as the vice chair of the AGMA Gear Accuracy committee, the Computer programming committee, and the Nomenclature committee. Rinaldo is also a member of the Helical Enclosed Drives High Speed Units Committee. He is the United States delegate to ISO TC60/WG2 “Accuracy of gears” working group and is the convener of the dormant ISO TC60/SC1/WG4 Terminology and notation of gears. He also serves on the API 613 taskforce. He has been licensed as a professional engineer in both Wisconsin and New York, has been granted 4 patents, and was the recipient of the AGMA distinguished service award in 2009.