[2] In 1978 Osborn moved to San Francisco and organized against the Briggs initiative banning gay and lesbian teachers from public schools.
[4] In 1976, after teaching in community college in upstate New York, Osborn moved to Chicago to join the founding staff of In These Times.
From 1997 through 2005, Osborn was the executive director of the Liberty Hill Foundation, a Los Angeles-based non-profit dedicated to environmental justice.
[6] Osborn served as senior advisor to Los Angeles Mayor Antonio Villaraigosa, working to reduce homelessness and poverty, resulting two years later in the formation of the City of L.A. Office of Strategic Partnerships, a national public-private collaboration, connecting non-profit and governmental agencies with philanthropic organizations.
[8] In 2008, Osborn took a leave of absence from her post in Villaraigosa's office, moving to Nevada to serve as a "Super Volunteer" for Barack Obama's 2008 presidential campaign.