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William Alvarado Rivera

Senior Vice President, Litigation

William (Bill) Alvarado Rivera is Senior Vice President for Litigation at AARP Foundation, where he leads and provides strategic direction for AARP Foundation Litigation (AFL).
As the head of AFL, Bill manages a team of litigators who advocate nationwide for the rights of people age 50 and older, addressing diverse legal issues that affect their daily lives and ensuring that they have a voice in the judicial system.  The team litigates and files amicus briefs in cases involving, among other things, employment discrimination; employee benefits; housing; consumer issues, including financial fraud and utility issues; health and long-term care; and public benefits.
Bill has over 20 years of experience in law and public policy, specializing in litigation and policy issues affecting low-income families.  Bill started his career as a trial attorney in the Civil Division of the U.S. Department of Justice under the Attorney General's Honors Program.  He later served as Senior Advisor to the Commissioner and Acting Deputy Commissioner of the Federal Office of Child Support Enforcement.
Prior to joining the Foundation, Bill served as Deputy Associate General Counsel and Chief of Litigation for the Children, Families, and Aging Division of the U.S. Department of Health and Human Services (HHS) Office of the General Counsel.  Among other things, he led HHS’s legal team in handling matters arising under the Temporary Assistance for Needy Families, Foster Care, Child Support, Head Start, Unaccompanied Alien Children, and Refugee Resettlement programs.  Bill also was the lead attorney for aging and disability programs funded by the HHS Administration for Community Living.
Bill received his undergraduate degree with honors in Public Policy and American Institutions from Brown University and his law degree from Stanford Law School.  He spent a year as a Fulbright Scholar in Sweden, where he conducted research on ethnography and social welfare policy at the University of Stockholm.  Bill has served on a number of non-profit boards, including as President of the Hispanic Bar Association of the District of Columbia in 2011.

Programs & Services

AARP Tax Aide

AARP Foundation Tax-Aide

This program offers free assistance with tax-return preparation. Go

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Housing Solutions Center

This program offers free HUD-certified counseling and assistance to 50-plus homeowners who are at risk of foreclosure. Go

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AARP Benefits QuickLink

See if you qualify for public assistance and you can save money on health care, medication, food, utilities, and more! Go

Medical team at a computer, AARP Foundation Back to Work 50+


We are partnering with workforce services providers to strengthen the bridge between 50+ job candidates and respected employers. Go