The phrase "former official" refers to someone who used to hold a position of authority or a high-ranking role in an organization, but no longer holds that position. Full definition
Maria Cino, a longtime Republican political operative and former official in George W. Bush's administration, was there representing Hewlett - Packard. (nytimes.com)
To develop leadership skills, I have devoted time to work with former officials of the RCPHS organization, served as the head of a PTA, and performed duties as a Girl Scout leader.» (rocklandtimes.com)
Chris Amato, a staff attorney for Earth Justice and former official with the state's Department of Environmental Conservation, said his organization has experienced delays at that agency and the Public Service Commission that have made it difficult to weigh in on policy proposals. (politico.com)