Executive
leadership team
Leading the way
Our leadership team empowers our company to help build a better future through focused strategy, knowledge and industry expertise. With a clear strategy and focused execution, our seasoned leadership team drives Sempra toward our mission to build America's leading utility growth business.
Jeffrey W. Martin
Chairman, Chief Executive Officer and President
Justin Bird
Executive Vice President
Karen Sedgwick
Executive Vice President and Chief Financial Officer
Caroline Winn
Executive Vice President
Lisa Larroque Alexander
Senior Vice President, Corporate Affairs and Chief Human Resources Officer
David Barrett
Senior Vice President and Deputy General Counsel
Louise Bick
Vice President, Investor Relations
Diana Day
Chief Legal Counsel and Corporate Secretary
Glen Donovan
Senior Vice President, Finance
Joy Gao
Vice President, Audit Services and Insurance
Toby Jack
Vice President, Tax and Chief Tax Counsel
Sandeep Mor
Senior Vice President, Corporate Development
Adam Pierce
Vice President and Treasurer
Dyan Wold
Vice President, Controller and Chief Accounting Officer
Chairman, Chief Executive Officer and President
Jeffrey W. Martin
As chairman of the board of directors, chief executive officer and president of Sempra, Jeffrey Martin leads a Fortune 500 utility company with over $60 billion in market capitalization and nearly $110 billion in assets. Under his leadership, Sempra is advancing its mission to build America's leading utility growth business, guided by disciplined decision-making, strategic investments and a commitment to responsible business practices. As CEO, Martin oversees a $65 billion capital campaign, the largest in the company’s history, and leads a team of roughly 20,000 employees, serving the daily energy needs of more Americans than any other U.S. company.
Prior to becoming CEO, Martin served as executive vice president and chief financial officer for Sempra. He also previously served as CEO of San Diego Gas & Electric Company, one of Sempra’s California utilities, and president and CEO of Sempra U.S. Gas & Power and Sempra Generation.
Executive Vice President
Justin Bird
Justin Bird is executive vice president of Sempra where he leads several corporate functions, including corporate development and financial planning. He is also the chief executive officer of Sempra Infrastructure, one of Sempra’s three growth platforms, where he oversees all business operations. Bird has been with the company for more than 20 years and has served in a variety of leadership roles.
Executive Vice President and Chief Financial Officer
Karen Sedgwick
Karen Sedgwick is executive vice president and chief financial officer of Sempra, where she leads several corporate functions, including accounting, treasury, tax, finance and investor relations. Over the last 32 years, Sedgwick has held many leadership roles at the company, including chief administrative officer, chief human resources officer and treasurer. She has also served in financial planning, investor relations, audit services and enterprise risk management roles.
Executive Vice President
Caroline Winn
Caroline Winn is executive vice president of Sempra, overseeing Sempra California’s dual utility platform, San Diego Gas & Electric Company and Southern California Gas Company, while serving as chairman of the board for both companies. With over 35 years of experience, Winn possesses extensive utility industry expertise and has held numerous executive leadership positions within Sempra's California utilities.
Senior Vice President, Corporate Affairs and Chief Human Resources Officer
Lisa Larroque Alexander
Lisa Larroque Alexander is senior vice president of corporate affairs and chief human resources officer of Sempra. In her corporate affairs role, she oversees public policy and stakeholder engagement. As chief human resources officer, Alexander oversees all human resources functions at Sempra, cultivating the company’s high-performance culture.
Senior Vice President and Deputy General Counsel
David Barrett
David Barrett is senior vice president and deputy general counsel – litigation and regulatory of Sempra and serves as chief compliance officer and chief sustainability officer. With nearly 25 years at the Sempra family of companies, he has served in many legal leadership positions, in addition to a broad range of business functions including strategy, compliance, enterprise risk management and sustainability.
Vice President, Investor Relations
Louise Bick
Louise Bick is vice president, investor relations of Sempra where she is responsible for planning and directing all aspects of investor relations, shareholder relations and marketing initiatives. In her time with the family of companies, Bick has held a variety of leadership roles in finance.
Chief Legal Counsel and Corporate Secretary
Diana Day
Diana Day is chief legal counsel, chief risk officer and corporate secretary of Sempra, overseeing legal affairs and governance. With more than 25 years at Sempra, Day brings deep expertise in corporate law, mergers and acquisitions, risk management and governance, and has held multiple leadership roles across the Sempra family of companies.
Senior Vice President, Finance
Glen Donovan
Glen Donovan is senior vice president, finance of Sempra, where is he responsible for treasury, rating agency and capital markets activities. Leveraging his broad business experience, Donovan engages and communicates with the investment and financial communities about Sempra’s disciplined focus on delivering long-term sustainable value. In his time with the family of companies, he has served in several senior leadership positions.
Vice President, Audit Services and Insurance
Joy Gao
Joy Gao is vice president of audit services and insurance of Sempra, overseeing internal audit responsibilities. Gao also provides stewardship and effective oversight of Sempra’s extensive insurance portfolio. Previously, Gao was the vice president of risk management where she oversaw the company’s risk management, insurance, corporate security, cybersecurity, and pension and trust investments.
Vice President, Tax and Chief Tax Counsel
Toby Jack
Toby Jack is vice president, tax and chief tax counsel of Sempra, overseeing the company’s worldwide tax activities. He has been with the company for more than 10 years and has held a variety of leadership positions internally and with industry trade associations. Jack possesses a wealth of tax and business expertise and uses it to help maximize value for the organization’s stakeholders.
Senior Vice President, Corporate Development
Sandeep Mor
Sandeep Mor is senior vice president, corporate development of Sempra. He is responsible for Sempra’s long-term strategy and corporate development functions. Mor actively collaborates with Sempra’s business platforms in support of their growth strategy and M&A activities. He previously held several leadership positions in corporate development and mergers and acquisitions for Sempra and served in a variety of other roles in finance and operations functions for the Sempra family of companies.
Vice President and Treasurer
Adam Pierce
Adam Pierce is vice president and treasurer of Sempra where he oversees the corporate finance function, treasury operations, capital markets activities and relationships with rating agencies. Since joining the Sempra family of companies in 2012, he has held various roles, including energy procurement and rates, mergers and acquisitions, business development and investor relations.
Vice President, Controller and Chief Accounting Officer
Dyan Wold
Dyan Wold is vice president, controller and chief accounting officer of Sempra. Wold’s responsibilities include overseeing the company’s accounting operations, financial statement preparation and analysis, financial reporting and accounting systems. She has previously served in key accounting and finance leadership positions across the Sempra family of companies.
A board with vision
Dedicated to upholding our integrity, ethics and values, our Board of Directors helps hold us accountable to our shareholders and helps ensure we maintain high standards.