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.


Mike Gallagher
Senior Vice President and President, Natural Gas

Mike Gallagher is senior vice president and 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 energy industry.

Kevin Sagara
Senior Vice President and President, Renewables

Kevin Sagara is senior vice president and president, renewables, of Sempra U.S. Gas & Power, overseeing all aspects of the Renewables energy business segment, including development, acquisitions, finance, construction and operations. Sagara has served in various commercial and legal capacities at Sempra Energy for over 20 years. Prior to working at Sempra U.S. Gas & Power, he served as vice president and general counsel for Sempra Pipelines & Storage, leading significant acquisitions, divestitures and joint ventures. He also previously served as vice president and associate general counsel for Sempra Energy. Sagara has also held senior business and legal positions in the internet and wireless technology sectors and oversaw the sale of Intervu (NASDAQ: ITVU) to Akamai Technologies for over $2.8 billion. Sagara received his law degree from Hastings College of Law, where he served as note editor of the Hastings Law Journal. He received his undergraduate degree in geography-ecosystems from the University of California, Los Angeles.

Robert Borthwick
Vice President and General Counsel

Robert Borthwick is vice president and general counsel at Sempra U.S. Gas & Power, leading the company’s law, external affairs, marketing and communications departments as well as the regulatory and compliance functions. With more than 25 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. Borthwick received his law degree from the University of Michigan Law School and his undergraduate degree from Stanford University.

Bill Engelbrecht
Vice President, Commercial Development

William Engelbrecht is vice president, commercial development for Sempra U.S. Gas & Power where he oversees the natural gas development group. 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 35-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, engineering and construction, and Midwest infrastructure.

Monica Haas
Vice President, Administration

Monica Haas is vice president, administration at Sempra U.S. Gas & Power, leading the company’s human resources, IT and Supply Management functions.

With more than 20 years of experience in the energy industry, Haas previously 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.

Haas joined the Sempra Energy family of companies in 1993, and has held numerous positions within the areas of investment management, market development and strategic and financial planning. Prior to working for Sempra U.S. Gas & Power, she held positions at Sempra Energy corporate center, Sempra Financial, Sempra Energy Solutions, and San Diego Gas & Electric Company (SDG&E).

Haas holds an undergraduate and a master’s degree in business from New Mexico State University.

Driven by her passion for helping low-income students attain the same opportunities and advantages as those who receive top-tier educations, Haas is a board member for The Preuss School UCSD. The Preuss School is an award-winning, unique charter middle and high school for low income, highly motivated students who are working toward becoming the first in their families to graduate college.

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.

Peter Wall
Vice President and Chief Financial Officer

Peter Wall is vice president and chief financial officer of Sempra U.S. Gas & Power, leading the company’s accounting, finance, and risk & structuring groups. Most recently, Wall served as assistant corporate controller at Sempra Energy where he led various teams overseeing technical accounting, planning and corporate accounting functions. He began his professional career at Ernst & Young LLP where he worked with numerous multinational companies, including many in the power & utility sector. Wall is a certified public accountant and holds bachelor’s and master’s degrees in accounting from the University of Utah.

Larry Folks
Regional Vice President, Renewables Development

Larry Folks is regional vice president, renewables development, at Sempra U.S. Gas & Power, directing development, acquisitions, partnerships and financing for the company’s wind and solar projects. Folks has more than 25 years of experience in the power generation industry. Prior to joining Sempra U.S. Gas & Power, he was the chief development officer and SVP at BP Wind Energy where he oversaw the development, partnerships and financing for 1,600 megawatts (MW) of wind projects. Folks has a master’s degree in business administration and a bachelor’s degree from the University of Southern California.

Patrick-Birney_150X225Patrick Birney
Regional Vice President, Commercial Development

Patrick Birney is regional vice president of commercial development for Sempra U.S. Gas & Power’s natural gas business, where he leads mergers, acquisitions and development of natural gas infrastructure in the U.S. Prior to his current role, Birney was vice president of finance and administration and vice president of development at Mobile Gas, a Sempra U.S. Gas & Power company. Throughout his career, Birney has held a number of positions at Sempra Energy and its California Utilities managing major IT initiatives, enterprise systems, and outsourcing Sempra’s human resource benefits systems and processes. Before joining Sempra Energy, Birney was partner and CFO for ScottMadden, an energy focused management consulting firm where he worked with clients in areas such as nuclear and fossil generation, transmission and distribution, distributed generation, natural gas, IT, shared services, and mergers and acquisitions. Birney received a master’s degree in business administration from the University of North Carolina and a bachelor’s degree in economics from the University of Michigan.