S. Can Gülen (PhD 1992, Rensselaer Polytechnic Institute, Troy, NY), PE, American Society of Mechanical Engineers (ASME) Fellow, and Bechtel Fellow, has more than 30 years of mechanical engineering experience covering a wide spectrum of technology, system, and software design, development (GTPRO/MASTER, Thermoflex), performance and cost assessment, and analysis, primarily in the field of steam and gas turbine combined cycle (109FB-SS, IGCC 207FB, H-System) process and power plant turbomachinery and thermodynamics (in Thermoflow, Inc., General Electric, and Bechtel). Dr. Gülen has authored/coauthored five books, two book chapters, numerous internal/external archival papers, and articles (70+), design practices, technical assessment reports, and US patents (25+) on gas/steam turbine power plant performance, cost, optimization, data reconciliation, analysis, and modeling.