He unsuccessfully ran for Montgomery County executive in 2022, with a platform including affordable housing, environmental policy, and police reform.

[4] He grew up in the Oakland Hills and attended UC Santa Cruz, graduating in 1995 with a Bachelor of Arts in Politics with honors.

[5] [2] She noted that when Hans was a toddler, she and her husband, both longtime ACLU activists, carted him to women's rights groups and Alameda County Board of Supervisors meetings: "I just backpacked him and took him everywhere I went.

"[5] After graduating from UC Santa Cruz in 1995, Riemer worked for the National Academy of Social Insurance, where he had interned during college.

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.

[11] Credited with returning Marion Barry to power in Washington DC following his prison sentence, the organization helped nearly one million people, largely young voters, to register to vote in the 2004 election.

[12] Riemer led Rock the Vote's partnership with CNN to host a youth debate in the Democratic presidential primary.