San Antonio Express-News Web Posted: 07/09/2007 AUSTIN - A San Antonio woman who oversaw many of the welfare-to-work programs instituted in Texas by George W. Bush when he was governor and later president has been nominated to become the assistant U.S. Secretary of Health and Human Services. Bush on Monday nominated Texas Workforce Commission Chairwoman Diane Rath to the federal post that will oversee such programs as Temporary Assistance to Needy Families, Head Start, the Healthy Marriage Initiative and Medicaid health care programs for children. Rath, 54, comes from a longtime Republican family in San Antonio. Her mother, Dorothy Doehne, was active in Texas GOP politics. Rath also has been active, serving as the secretary of the state party from the late 1980s until 1994. She named her daughter, Reagan, after the former president.   While serving in her state party position, Rath worked as the senior director of public affairs for San Antonio-based Kinetic Concepts Inc. She holds a bachelor's degree in physical therapy from the University of Texas Medical Branch in Galveston. She has served on the boards of numerous San Antonio businesses and organizations.