Our Team

Stephen B. Gross
President and Chief Executive Officer

Stephen B. Gross has served the power generation industry for more than 30 years in executive management, project general management, business development and financial planning and analysis positions.

Mr. Gross joined IHI Power Services Corp. from Exelon/Constellation Energy where he served as Managing Director/Vice President of Constellation Power Generation's West Region for nearly 10 years. In this role, Mr. Gross was responsible for a portfolio which, during his tenure, included 17 power generating facilities that produce more than 3000 megawatts of generation in support of Constellation Energy's merchant energy business in California, Texas, Utah, Hawaii and Canada. The West Region fleet included a broad range of generation technologies with fuel sources that included solar, geothermal, hydro, natural gas, coal and biomass.

With Constellation Energy, Mr. Gross previously held the position of General Manager of the High Desert Power project in Victorville, California, where he successfully brought the project into commercial operation and it was subsequently named Power Plant of the Year by POWER magazine in 2003.

Mr. Gross joined Constellation Energy from Newport Generation in Newport Beach, California where he was Vice President, Operations and Asset Management. He also previously served as Director of Business Management for Edison Mission Energy, overseeing financial reporting and planning and analysis for 11,500 megawatts of generation assets. In the 90's he worked for Entergy Power Group were he was Director of Asset Management for the Asia Pacific group of Entergy Power, where he managed power projects in Pakistan and China.

A native Ohioan, Mr. Gross holds a Bachelor of Engineering Technology from the University of South Florida, an Associate of Science from Northwestern Michigan College and holds a Master of Arts in Finance from Webster University. He is an active community volunteer and a member of United Way's Alexis de Tocqueville Society.

Barry McDonald, PE
Executive Vice President

Barry L. McDonald has been in the power generation industry for more than 30 years serving in a number of capacities including executive management, plant management, project development, business development, plant operations and environmental services.

Prior to joining IHI Power Services Corp. Mr. McDonald served as Vice President of Energy Development for Tetra Tech Inc. In this capacity he developed numerous renewable and conventional energy projects. Mr. McDonald was responsible for project due diligence, utility RFO bid submittals, project permitting, PPA review and SGIA/LGIA analysis and coordination.

At Montenay Pacific Power Corp. (Vivendi), Mr. McDonald was Plant Manager and managed all aspects associated with the operation of the largest waste-to-energy facility, (500,000 TPY and 236,000 net MWh/Yr), in the western United States. He was responsible for annual budgeting, plant profitability, client relations, cost reduction planning, and plant availability and production goals. He directly supervised the operations, maintenance, accounting, environmental, safety and HR managers and an overall plant staff of 54 employees.

Mr. McDonald was President and CEO of CARNOT Technical Services, Inc. He founded the technical services firm, which supported major utilities, independent power producers and other industrial customers. His responsibilities included: ensuring profitability, developing corporate direction, marketing standard and innovative services, team development, customer relations, employee development (training, advancement and empowerment), corporate compliance issues, program oversight and periodic conflict resolution.

Originally from Montana, Mr. McDonald holds a Bachelor of Science Degree in Chemical Engineering from the University of Colorado and an Executive Management from the University of California Los Angeles (UCLA), Anderson Graduate School of Management. He is a Registered Professional Engineer in Chemical Engineering and Mechanical Engineering, in California.

Rebecca Covarrubias
Vice President, Chief Financial Officer

Rebecca Covarrubias has 9 years of experience in the power business, the last 7 in operations accounting. She has held a number of roles including Director of Finance and Accounting, Accounting Manager, Senior Financial Analyst, and FP&A Manager. She brings over 20 years of experience in her field.

Ms. Covarrubias joined IHI Power Services Corp. as a consultant following the sale by Exelon/Constellation. She established the accounting infrastructure for the new company including cash management, billing, accounts receivable, accounts payable, and payroll. In her role with Constellation Ms. Covarrubias was responsible for financial reporting, budgeting, forecasting, and financial analysis for the West Region fleet, which included 11 power plants. Ms. Covarrubias also participated in due diligence teams for the acquisition of two wholly owned gas fired plants in Texas.

Ms. Covarrubias is currently the Chief Financial Officer for IHI Power Services Corp., with responsibility for accounting, budgeting, forecasting, reporting for both IPSC and the Chinese Station power plant, as well as other 3rd party IPSC customers.

Prior to joining Constellation, Rebecca was the Controller at La Opinión, a Spanish language newspaper in Southern California. While there, Rebecca successfully implemented various system automations, including general ledger conversion and system implementation, which resulted in cost savings for the company.

Rebecca graduated from DeVry University with a major in Accounting, and has also earned her MBA at Pepperdine University.

John (Jack) Borsch
Vice President, Operations

With 37 years of electric generation experience specializing in maintenance, operations and management, Mr. Borsch has a unique combination of management skills and leadership experience in addition to an extensive operations background. Hands-on experience with all phases of the industry includes power plant outage planning, transmission and distribution (T&D) systems, budget forecasting, performance monitoring and implementation of safety and environmental and North American Electric Reliability Corporation (NERC) programs.

As IPSC’s Vice President, Operations, Mr. Borsch is responsible for implementing operational strategy and leading operations, engineering and administration for all IPSC-operated plants across the United States. He establishes effective operational policies and compliance to ensure operational safety, quality, efficiency, and customer satisfaction in IPSC operations.

Mr. Borsch is active with the Combustion Turbine Operations Technical Forum (CTOTF): A Membership Organization of Combustion Gas Turbine Owner Operators. His positions include the CTOTF Executive Board Chairman, Executive Vice Chairman Turbines, Power Systems, Electrical and Generator Round Table Chairman for the CTOTF, and Generic Round Table Chairman for CTOTF Gas Turbine User Group.

Previous to IPSC, he worked as the Director of City of Lake Worth Electric Utility, providing leadership to all of the Electric Utility departments: Generation, Customer Service, T&D, Engineering and Meter Shop directing the activities of the electric enterprise. Other professional experience includes Vice President, Generation Services for Colectric Partners, Inc., Director of California Operations for Colorado Energy Management, and Plant Manager, Desert Basin (600 MW) at Reliant Energy.

Mr. Borsch earned a Bachelor of Science in Mechanical Engineering from West Virginia University and Bachelor of Arts in Mathematics from Alderson-Broaddus College.

Daniel Ortiz
Vice President, Technical Services

Daniel Ortiz has more than 30 years of successful leadership in the construction, start up, commissioning and operation of large-scale fossil and renewable energy project domestically and internationally (Europe and South America, fluent in Spanish).
He has worked collaboratively with OEMs and third-party suppliers to develop innovative, cost-effective solutions to complex technical issues. Highly skilled in strategic planning and performance optimization, Mr. Ortiz has a proven track record of consistently meeting or exceeding all performance metrics and delivering results safely and in an environmentally responsible manner.

Prior to joining IHI Power Services Corp., Mr. Ortiz served in operational leadership roles at Florida Power and Light and NextEra Energy Resources.


Mr. Ortiz holds a Bachelor Degree in Marine Engineering from Kings Point Maritime Academy and was a Lt. Commander in the US Navy Reserve. He is a certified Six Sigma Black Belt in quality management improvement.

Scott DeGeeter
Vice President, Asset Management

Scott DeGeeter has over 25 years of experience and has held roles in energy commodities trading, finance, business development, and facility operations of power generation in municipal, independent power and public companies. His technical experience includes operations and maintenance management of General Electric Frame 5,6,7EA,7FA; Siemens / Westinghouse 251,501, 501F; Pratt & Whitney FT4, FT8; Mitsubishi 501GAC and General Electric, Siemens Steam turbines and B&W and Combustion Engineering Boilers in union and non-union teams.

Currently, he is serving as the Vice President of Asset Management, responsible for the safety, reliability, operating performance and cost effectiveness of plant systems and equipment. Prior to joining IPSC, Mr. DeGeeter worked at Portland General Electric, ENMAX Corporation, and Constellation Energy serving in various roles such as Plant Manager, Plant General Manager, and Director, Asset Management.

Mr. DeGeeter has a Bachelor of Science in Business Management Technology from New England Institute of Technology.

Maggie T. Estrada
Vice President, Environmental

Maggie Estrada has over 32 years in the power business, the first 5 years as a Mechanical Engineer involved in power plant design, then the following 27 years focusing on multimedia environmental permitting, construction oversight, compliance, programs, due diligence, acquisitions/divestitures, regulatory applicability, and regulatory affairs. Her skill set encompasses coal and biomass boilers, simple-cycle and combined-cycle gas turbine facilities, with associated emissions control technology such as SCR, SNCR, CO Catalyst, Limestone Injection, Baghouses, and ESP.

Ms. Estrada is currently the Vice President - Environmental for IHI Power Services Corp. (IPSC) with responsibility for environmental, fuel legitimacy, and ash management for the IHI Power Generation (IPGC) co-owned power plants and the IPSC O&M contracted plants. Prior to her promotion at IPSC, she was the Environmental Director. In August of 2012, IPGC purchased 5 plants from Constellation Energy/Exelon. Prior to this sale, Ms. Estrada had worked for Constellation for over 4 years as the West Region Environmental Director with responsibilities for 11 power plants in California, Texas, Utah and Alberta, Canada.

Prior to joining Constellation Energy, Ms. Estrada worked at Nevada Energy for 3 years as an Environmental Manager with similar tasks and responsibilities for the natural gas plants in Nevada. She managed an environmental staff of eight. Before Nevada Energy, Ms. Estrada worked at LG&E Power for 20 years holding positions as Mechanical Engineer, Environmental Engineer, Project Manager, and Manager where she was involved in permitting various types of power plants throughout the United State, overseeing construction sites, and keeping all of the operating plants in compliance.

Ms. Estrada has a Mechanical Engineering degree from California State University, Fullerton.

Kyle V. Adler
Vice President, Human Resources

Kyle V. Adler has been in the energy industry for more than 30 years working in a number of fields such as oil, gas and power generation. Mr. Adler has held a number of operations and staff positions including first line Supervisor, Project Manager, Senior Human Resource Consultant, Human Resource Business Strategy Project Manager, and Director of Human Resources.

Mr. Adler joined IHI Power Services Corp. from Exelon/Constellation Energy where he served as Director of Human Resources of Constellation Power Generation's West Region for five years. In this role, Mr. Adler was responsible for workforce planning, acquisition, development and metrics for 11 power generating facilities in California, Texas, Utah, Nevada, and Canada.

Mr. Adler joined Constellation Energy from Southern California Edison (SCE) in Rosemead, California where he was Project Manager, Human Resources Business Strategy. He also previously served as Senior Human Resource Consultant in the Employee Relations group, Human Resource Consultant at the San Onofre Nuclear Generating Station, Outage Planner at San Onofre, and Health Physics Supervisor also at San Onfore.

A native from Wyoming, Mr. Adler holds a Masters in Business Administration from Pepperdine University and an Associate of Science in Oil Field Drilling and Production from Colorado Northwestern College. He is an active community volunteer and serves on the board for the Independent Energy Human Resource Association.

Rick Spurlock
Director of Operations – West Region

Rick Spurlock has 20+ years of professional experience in the power industry, including operation of both nuclear and biomass plants, staff development, project turn-around, maintenance planning, contract negotiations, environmental reporting, government affairs, and business planning. He currently is the Director of Operations – West Region, responsible for all IPSC plants west of the Mississippi.

Mr. Spurlock joined IHI Power Services Corporation (IPSC) from Exelon/Constellation Energy where he served as Rio Bravo Fresno Plant Manager. In this role, he oversaw the turnaround of the biomass project. The year prior to his arrival the Rio Bravo Fresno Facility had a 76.1% availability factor and only a 69.5% capacity factor. Under his leadership and guidance the plant availability factor had improved to 92.8% with a capacity factor of 91.9%. In addition, he held the position of Production Manager at Constellation Rio Bravo Rocklin biomass fired power project. He was instrumental at Rocklin in building a strong operations team.

Since joining IPSC he has worked closely with Human Resources in the development of IPSC employee policies, including pay practices. He was promoted to General Manager of IPSC South Region in 2013 and charged with providing oversight of two biomass and two coal fired projects. In 2014, Mr. Spurlock took on the Governmental Affairs responsibilities for IPSC and IHI Power Generation Corporation.

Mr. Spurlock is a strong advocate for the California biomass industry and has served as Chairmen of the California Biomass Energy Alliance (CBEA) since June of 2015. The CBEA is the California Biomass Industries trade organization with a charter to promote biomass energy as a means to reach the environmental and economic goals of California. Mr. Spurlock also represents the industry on the California State Tree Mortality Task Force.

Early in his career, he served in the Navy as a nuclear power plant electrician on the USS Enterprise. Mr. Spurlock earned his bachelor’s degree with high distinction from California State University Fresno.

Jim Perry
Director of Operations – East Region

Jim Perry is a highly successful and proven manager with over 35-years of increasing levels of leadership and management experience in the fields of power generation, coal gasification, petrochemical, anhydrous ammonia and the sulfuric acid manufacturing industries. His expertise is in the areas of asset and facility management, acquisition/merger/integration activities, plant due-diligence and assessments, plant commissioning and initial start-ups, staff augmentation, project and outage management, personnel development/training, mentoring capabilities and effective team building.
Previously, he served as a General Manager for Exelon/Constellation, Plant Manager and Production Manager at Constellation.

Mr. Perry is currently serving as the Director of Plant Operations, East Region in which he is responsible for implementing operational strategy and leading all operations, delivery, engineering and administration efforts for IPSC plants in the eastern United States. Specifically, he establishes operational policies and compliance with company standards to ensure operational safety, quality, efficiency, and customer satisfaction in IPSC operations.

Amy Komatsuzaki
Director, Business Development

Amy Komatsuzaki has over 15 years of business development, marketing and sales experience. She joined IHI Power Services Corp. after several years with Tetra Tech Inc. as Director of Business Development, where her focus was strategic development and program implementation for the energy market. This included renewable energy business development and client relationship management.

Ms. Komatsuzaki’s current responsibilities include business development for IHI Power Services Corp.’s suite of services and managing IHI Power Services Corp.’s marketing program.
Originally from San Jose, California, Ms. Komatsuzaki earned a MBA from the University of Colorado Springs and graduated with a Bachelor of Science in Civil and Environmental Engineering from UCLA. Early in her career, she served as a civil engineering officer in the United States Air Force where she had responsibility for significant overseas civil and environmental projects.