Gloria D. Gray has added another “first” to her extensive public service career, as she becomes the first African American elected to chair the Board of Directors of the Metropolitan Water District (MWD) of Southern California. Her two-year term, which began Jan. 1, marks only the second time that a woman has led the 90-year-old agency that, together with its member agencies, delivers water to 300 cities and unincorporated areas in Southern California.