At SoCalGas, Don Widjaja oversees all aspects of customer-service field operations, customer programs for energy efficiency and customer assistance, and clean transportation. Previously, Widjaja was director of strategic planning and analysis for Sempra. He has been with the Sempra family of companies since 2008 and has held positions such as director of financial planning and regulatory accounts for San Diego Gas & Electric. Widjaja has a bachelor’s in chemical engineering from Purdue University and a master’s in business administration with an emphasis in finance from Washington University in St. Louis.