Mark brings 28 years of progressive management and consulting experience with Sempra Utilities (San Diego Gas and Electric (SDG&E) and Southern California Gas Company) in the areas of energy efficiency, demand response, customer marketing and engagement, and environmental compliance, and regulatory policy development and compliance. At Sempra, Mark directed the development and implementation of energy efficiency and demand response programs while managing an annual budget of over $200 million. He was responsible for developing and implementing policies and procedures for these programs and also directed the development of the program and regulatory strategy and compliance, marketing collateral, and IT systems for results tracking and reporting.