Leadership Team

A team of innovative energy professionals leads Sempra U.S. Gas & Power with decades of experience in all areas of electric power generation, development, natural gas transmission and storage, and operations.

Patti Wagner

Patricia K. Wagner
President and Chief Executive Officer

Patricia K. Wagner is president and chief executive officer of Sempra U.S. Gas & Power, a leading developer of renewable energy and natural gas solutions with power plants that generate enough electricity for nearly 1 million homes. Sempra U.S. Gas & Power companies also operate natural gas storage facilities, pipelines and distribution utilities. Previously, Wagner served in several leadership positions for the Sempra Energy family of companies, including vice president of audit services for Sempra Energy, vice president of accounting and finance for Southern California Gas Company (SoCalGas), and vice president of information technology and vice president of operational excellence for San Diego Gas and Electric (SDG&E) and SoCalGas. She also held leadership roles in gas distribution operations and customer programs at the utilities.

Prior to joining Sempra Energy in 1995, Wagner held management positions at Fluor Daniel, one of the world's largest, publicly owned engineering, procurement, construction, and maintenance services companies. She also worked for McGaw Laboratories and Allergan Pharmaceuticals. Wagner has a master's degree in business administration from Pepperdine University and a bachelor's degree in chemical engineering from California State Polytechnic University, Pomona.

Mike Gallagher

Mike Gallagher
Regional President

Mike Gallagher is regional president of Sempra U.S. Gas & Power's Natural Gas business segment and leads the company's commercial development, origination, operations and project development. Prior to joining Sempra U.S. Gas & Power, Gallagher was senior vice president at Southern California Gas Company—the nation's largest gas utility—in charge of engineering, transmission, storage and distribution facilities. Previously, Gallagher managed Sempra Generation's fleet of gas-fueled and renewable power plants. He was also a partner at Sterling Energy Operations and worked 11 years with Duke Energy's nuclear power plants and non-utility assets. Gallagher has more than 25 years of experience in the power-generation industry.

Kevin Sagara

Kevin Sagara
Vice President, Renewables and Corporate Development

Kevin Sagara is vice president of Sempra U.S. Gas & Power, overseeing all aspects of the Renewables Energy business segment. Sagara also leads the Corporate Development group, responsible for directing the company's acquisitions and project development. Sagara has served in various commercial and legal capacities at Sempra Energy for over 20 years.

Bruce Folkmann

Bruce Folkmann
Vice President and Chief Financial Officer

Bruce Folkmann, vice president and chief financial officer of Sempra U.S. Gas & Power, is a CPA overseeing the company’s finance and accounting groups, as well as the Operations Center. The Operations Center includes the power and gas optimization group in San Diego and gas asset optimization and operations in Houston. Folkmann has been employed in the energy industry since 2000, with special emphasis on technical accounting matters including derivatives accounting and reporting. He began his career at a large public accounting firm, and worked in internal audit for a large multinational corporation. Folkmann holds accounting and finance degrees from the University of Houston's Honors College.

Monica Haas

Monica Haas
Vice President, Administration and External Affairs

Monica Haas is vice president, administration and external affairs at Sempra U.S. Gas & Power, leading the company's human resources, IT, procurement, communication and external affairs. With more than 20 years of experience in the energy industry, Haas most recently was vice president of corporate planning for Sempra Energy, where she oversaw Sempra Energy's corporate planning activities including long and short-term planning, investment analysis and management performance reporting.

Robert Borthwick

Robert Borthwick
Chief Counsel, Legal and Compliance

Robert Borthwick is chief counsel at Sempra U.S. Gas & Power, leading the company's law department as well as the regulatory and compliance functions. With more than 20 years of experience as a lawyer, Borthwick most recently was Associate General Counsel at Sempra Energy. Prior to joining Sempra Energy, Borthwick practiced law at Gibson, Dunn & Crutcher LLP and served as a federal prosecutor in the United States Attorney's Office in Los Angeles.

James Sahagian

James Sahagian
Vice President, Chief Development Officer

James Sahagian is Chief Development Officer at Sempra U.S. Gas & Power in charge of marketing natural gas products and services nationally. Previously, Sahagian was in charge of the company's Renewable Energy business segment, which also included commercial development, origination, and finance. Sahagian served as vice president of corporate development for Sempra Energy where he spearheaded the company's entry into renewable energy. He was also vice president of commercial development for Sempra LNG and vice president of planning and analysis for Sempra Generation. Prior to joining Sempra Energy, Sahagian was president of an energy project developer and founder of a generation equipment manufacturing and project development firm.

John Pirraglia

John Pirraglia
Vice President, Operations

John Pirraglia is vice president, operations in charge of Sempra U.S. Gas & Power's natural gas infrastructure assets in the Southeast U.S. Pirraglia was previously vice president of project development and operations for Sempra Pipelines and Storage, and has over 25 years of experience in energy infrastructure design and engineering, including pipeline, wells and surface facilities.

Joe Rowley

Joe Rowley
Vice President, Power

Joe Rowley is vice president, renewable power development at Sempra U.S. Gas & Power where he oversees development of the company's renewable energy projects. Rowley has decades of experience in the energy industry, having previously served in various leadership roles at Sempra Generation where he developed 2,600 megawatts of natural gas and renewable generation.

Bill Engelbrecht

Bill Engelbrecht
Vice President, Commercial Development

William Engelbrecht is vice president, Commercial Development for Sempra U.S. Gas & Power where he oversees the marketing and development of the company's Midwest infrastructure. Previously, Engelbrecht served as Vice President of planning at Sempra U.S. Gas & Power, responsible for leading the company's business planning and financial analysis functions. A 30-year veteran of the energy industry, he has held a range of engineering and leadership positions in transmission, resource and strategic planning, industry restructuring, marketing, fuel procurement, financial analysis, and engineering and construction.

Sue Bradham

Sue Bradham
Regional Vice President, Commercial Development

Sue Bradham is Regional Vice President, Commercial Development for Sempra U.S. Gas & Power, in charge of the natural gas based fuels business. Most recently, Bradham was responsible for new business development in Latin America. She also had lead commercial responsibility for developing, structuring, and negotiating the primary agreements for Sempra's LNG business. Previously, Bradham held strategic planning and analytical roles both internally and externally. Bradham holds a bachelor's degree in mechanical engineering from Stevens Institute of Technology and an MBA in finance and entrepreneurial management from The Wharton School at the University of Pennsylvania.

Curtis Kebler

Curtis Kebler
Regional Vice President, Commercial Development

Curtis Kebler is Regional Vice President, Commercial Development at Sempra U.S. Gas Power where he is responsible for the company's Southeast midstream infrastructure business. Most recently, Kebler was Managing Director in charge of origination and marketing for the company's power generation assets. He has been in the energy industry for more than 25 years and has broad knowledge of the structure, operation and performance of U.S. electric power and natural gas markets. Kebler received a Bachelor of Science degree in engineering from the University of California, Santa Barbara.