Ralph is a cofounder of OGT. He began working in the area of gas treating as an M.A.Sc. student in 1965 and has been active in basic and applied research in this field ever since. He received B.A.Sc., M.A.Sc., and Ph.D. degrees in Chemical Engineering from the University of Toronto, then spent two years as a post-doctoral fellow in applied mathematics at the University of Western Australia. He taught Chemical Engineering for 30 years at universities in Canada, Australia, and the U.S.A. and directed graduate research in gas treating. Ralph was co-developer with Dr. Sivasubramanian of an earlier version of a mass transfer rate-based model for amine columns and commercialized its concepts in the pre-Windows software package, GasPlant-Plus, now part of WinSim. In addition to the development of the Windows-based ProTreat process simulation package with OGT, Ralph spent ten years with Koch-Glitsch LP, Dallas, TX in tray development.

Nate joined Optimized Gas Treating, Inc. as Vice-President, Technology Development in 2009. After graduating from the University of Kansas with a B.S. in Chemical Engineering, he spent 7 years with Black and Veatch Pritchard, Inc. where he was involved with the design, evaluation, training and start-up of H₂S and CO₂ removal and sulfur recovery technologies. Nate spent the next 7 years with ConocoPhillips, Inc as Treating and Sulfur Processing Best Practices Network Lead, where he became an expert ProTreat user in providing technical support and troubleshooting services for refinery treating and sulfur recovery operations. He is currently a member of the Amine Best Practices Group as one of only a few non-operating company representatives. Nate has spent nearly his entire career in amine treating and sulfur recovery, most recently with Trimeric Corporation, and has extensive experience in the practical application of process simulation to operations, troubleshooting and training.

Jaime joined Optimized Gas Treating, Inc. in 2003 and is currently Manager, Software Sales and Licensing. He has over 10 years experience in the Natural Gas Processing Industry, primarily in acid gas simulation. Jaime has provided front-line assistance to ProTreat licensees needing technical support and helped develop the first basic training course for ProTreat users. He has been providing ProTreat training to engineers in the US and Latin America and conducts the ProTreat training session at OGT’s Advanced Seminar in Gas Treating. He is a fluent Spanish speaker and has provided ProTreat simulator training in Spanish to engineers in Mexico, Bolivia and Venezuela. Jaime received his Bachelor of Science Degree in Chemical Engineering from Texas A&M University in College Station, Texas.

As a world recognized expert in mass transfer rate based modeling and simulation, Siva acts as a consultant for OGT. He holds M.S. and Ph.D. degrees in Chemical Engineering from Clarkson University, Potsdam, NY. As part of his Ph.D. research, he was one of the premier developers of computer-based mass and heat transfer rate models for acid gas treating with aqueous alkanolamines. He also holds a B.Tech. in Chemical Engineering from Madras University, India and has attended executive programs at the Harvard Business School, Boston, MA.

Siva has more than 20 years experience in simulation, including 14 years with Aspen Technology, Inc. where he was the principal architect of RATEFRAC®