 After graduating from UC Santa Cruz in 1995, Riemer worked for the National Academy of Social Insurance, where he had interned during college.Then in 1995 he was hired as Public Policy Associate at the Save Our Security Coalition, under Arthur S. Flemming.In 1996 he founded the 2030 Center, a non-profit policy organization focused on protecting Social Security, improving health care, and supporting progressive solutions for fiscal challenges at the federal level.