Debra C. Man is the assistant general manager and chief operating officer for Metropolitan. She is responsible for managing the operational business functions of the district, which include system operations, engineering, information technology, planning and resources management. In this position, one of her primary duties is to implement the Chief Executive Officer's Business Plan and initiatives, as well as, to oversee the application and operational practice of the Board's policies and directives.

She brings to her position 20 years of experience at Metropolitan in various aspects of business and water management. During this tenure, she was responsible for securing water supplies through agreements and partnerships with other water and agricultural interests in San Joaquin Valley and Southern California and demonstrated Metropolitan's water supply reliability in compliance with current laws. She was also responsible for major initiatives adopted by Metropolitan's board, such as the Integrated Resources Plan, new rate structure, and facility plans and environmental review for the district's major expansion of its distribution system and water filtration plants.