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AsÌýonline community manager at theÌý, Brooke McMillan has been the social-media face for an organization that has spent months at the center of an unrelenting crisis.

Last month the organization announced that its founder, Lance Armstrong, was stepping away from the group’s board and that his name would no longer be part of the organization’s official identity.Ìý That decision came after the U.S. Anti-Doping Agency issued a detailed report about Mr. Armstrong’s use of performance-enhancement drugs and the Tour de France stripped him of medals he won.

Ms. McMillan says the constant storm of criticism of Mr. Armstrong meant she was spending time on social networks like Twitter and Facebook almost around the clock—largely working to nurture and protect an online community that still cared about the organization, despite its founder’s transgressions.

at the Austin meeting, where she spoke about using social networks when a crisis or challenge erupts.