 Senator John Kerry.At the forefront of many of the gay rights debates in the U.S. Congress during the 1990s, Jones became known as an advocate of the rights of people living with AIDS as well as gay and lesbian Americans.In 2000, he was tapped by the Bill & Melinda Gates Foundation to helm the operations of their largest grantee, the Vaccine Fund, the financing arm of the Global Alliance for Vaccines and Immunization.