Dr. Gutierrez is a founder of Pterra, LLC and has more than 40 years of experience which includes interconnection studies, transmission access studies, power system expansion studies, dynamic modeling, dynamic analysis of power systems, feasibility studies, substation layout studies, switching and lighting surge analysis, transformer and induction machine model reduction, software model development, and teaching engineering and software courses.

He has had consulting experience with Power Technologies, Inc. (PTI) (1997-2004), and Utility System Technologies (1993-1997).  He was a researcher at Rensselaer Polytechnic Institute (1987-1993). Dr. Gutierrez was Engineering Director at the Nicaraguan Institute of Energy (1981-1985).

Dr. Gutierrez is the holder of patents for a device and method for actively interrupting fault current, and methods for generating models of non-linear systems.  He is fluent in written and spoken English and Spanish, and has taught training classes worldwide.

 Areas of Focus. Interconnection studies, transmission access studies, power system expansion studies, dynamic modeling, dynamic analysis of power systems, feasibility studies, substation layout studies, switching and lighting surge analysis, transformer and induction machine model reduction, software model development.