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Legal Advocacy Team

 

Older businesswoman and businessman shaking hands across the table

AARP Foundation attorneys advocate in courts nationwide for the rights of people 50 and older, addressing diverse legal issues that affect their daily lives and assuring that they have a voice in the judicial system.

The Team

Louis Lopez

Louis Lopez is senior vice president of litigation, where he oversees a public interest law firm working at the intersection of aging and social justice. In this role, he leads a team of lawyers and legal professionals advocating for systemic change in federal and state courts nationwide to advance the legal rights and interests of people 50 and older, particularly those who are vulnerable and have low income.

Louis has a long history of civil rights law experience, having served in executive leadership, legal, and policy roles in the public and private sectors. In these positions, he oversaw nationwide programs involving employment discrimination, consumer rights, veteran issues, and whistleblower protections. Prior to joining AARP Foundation, Louis served in federal leadership roles at the Department of Justice, the Equal Employment Opportunity Commission, and the Office of Special Counsel. Louis also worked in private practice at law firms in Chicago and Washington, DC, and at Washington Post Digital. For eight years, he was an Adjunct Professor at Georgetown Law School, where he taught advanced courses in labor and employment law.

Louis currently serves as a Commissioner on the ABA’s Commission on Law and Aging, a Board Member of the D.C. Bar Board of Governors, and a Fellow of the College of Labor and Employment Lawyers. He was named the Federal Labor and Employment Attorney of the Year by the American Bar Association (ABA) in 2021, and received the Hugh A. Johnson Memorial Award from the Hispanic Bar Association of D.C. for his unwavering commitment to equality and social justice in 2025.

Louis is a graduate of the University of Kansas, Harvard Law School, and Georgetown Law School, where he graduated first in his class.

Contact Louis: llopez@aarp.org

Kelly Bagby

Kelly Bagby is vice president of litigation and manages legal advocacy work related to health, hunger, housing and human services. She specializes in civil rights, disability rights, health law and other public interest areas, with an emphasis on litigation. Joining AARP Foundation in 2008, Kelly has served as class counsel in a number of cases that have permitted people to age in place in the community rather than be forced to have their long-term services provided in nursing facilities. She also was co-counsel in several cases in which nursing facility residents were administered psychotropic medications without informed consent. Kelly files amicus briefs in state and federal courts that relate to ensuring that victims of abuse and neglect are able access the judicial system for redress. 

Prior to joining AARP Foundation, Kelly litigated a range of discrimination and public interest cases in federal and state courts. She worked at the Office of the Inspector General for the U.S. Department of Health and Human Services. From 1998 to 2004, Kelly was the litigation director at Disability Rights DC and, before that, worked at Disability Rights Maryland.

Kelly is a graduate of Franklin & Marshall College and the University of Baltimore School of Law.

Contact Kelly: kbagby@aarp.org

Maame Gyamfi

Maame Gyamfi is vice president of litigation and manages legal advocacy work related to labor and employment, employee benefits, and consumer protection. She is a health care expert who advocates nationwide for the rights of older adults with low to moderate income, addressing diverse issues that affect their daily lives and ensuring that they have a voice in the judicial system. She works on matters involving health law, civil rights, elder abuse, disability rights, consumer protection, and other public interest areas.

Prior to joining AARP Foundation, Maame was senior counsel at the Office of the Inspector General for U.S. Department of Health and Human Services, where she worked on health care fraud and compliance matters. She also litigated criminal and civil cases as a special assistant U.S. attorney for the U.S. District Courts of the Southern District of Florida and the Eastern District of New York.

Maame is a graduate of the University of California at Berkeley and the Georgetown University Law Center.

Contact Maame: mgyamfi@aarp.org

Dean Graybill

Dean Graybill is a lead attorney at AARP Foundation and has served over three decades the public interest realm. As a manager and litigator at the Federal Trade Commission, he oversaw enforcement actions against telemarketing schemes targeting seniors (e.g., Operation Senior Sentinel); brought cases against bogus health supplement sellers; and participated in antitrust matters involving high gasoline and health care prices. In a prior stint at the Foundation, he served six years as vice president of litigation. Dean is a graduate of the University of Pennsylvania Law School. 

Contact Dean: dgraybill@aarp.org

Rachel N. Lokken

Rachel N. Lokken is a lead attorney at AARP Foundation with extensive experience providing strategic representation to individual, corporate and public interest clients at the state and federal levels. Previously, her legal practice focused primarily on complex commercial litigation and business matters, appellate litigation, and constitutional compliance. Rachel’s work ethic and dedication to her clients led to favorable litigation results and strategic settlements. Passionate about public interest work, she has a longstanding history of service as counsel in the areas of affordable housing for people with low to moderate income, child advocacy, music licensing, and domestic violence. Rachel has served on the Supreme Court of New Jersey District X Fee Arbitration Committee as an appointed volunteer attorney and received her certificate in Diversity, Equity and Inclusion in the Workplace. She received her law degree from the University of Michigan and her bachelor’s degree from Oberlin College.

Contact Rachel: rlokken@aarp.org

Sébastien Monzón Rueda

Sébastien Monzón Rueda is an attorney at AARP Foundation. Previously, he spent four years as a staff attorney in the Tenant Advocacy and Support Practice at Legal Counsel for the Elderly, where he represented older adults with low to moderate income in housing-related cases before the Superior Court of the District of Columbia. Sébastien, who speaks Spanish fluently, also litigated reasonable accommodation cases and discrimination claims before administrative bodies, such as the D.C. Housing Authority and the Office of Administrative Hearings. Prior to that, he clerked for the Honorable Tyrona De Witt and the Honorable Diane Lepley at the Superior Court of the District of Columbia. Sébastien is a board member of the Washington Council of Lawyers—the public interest bar association for D.C.—and serves as co-chair of its Advocacy Committee. He received his bachelor’s degree from the University of British Columbia and his law degree, cum laude, from the University of the District of Columbia David A. Clarke School of Law.

Contact Sébastien: smonzonrueda@aarp.org

Ali Naini

Ali Naini is a senior lead attorney at AARP Foundation. Ali, who speaks English, Farsi and Turkish, expressed an early and keen interest in public policy, researching microfinancing in Cairo before working with the Harlem Children’s Zone on health, financial and housing projects. He then earned his litigation stripes in a three-year stint at the D.C. Attorney General’s Office, where he won four jury trials and 21 court motions, handling a wide variety of litigation tasks. In 2016, Ali returned to public interest work, serving as senior staff attorney at Mobilization for Justice’s Foreclosure Prevention Project in New York City. There, he tirelessly represented clients facing loss of their homes, handled individual cases, lobbied for reforms, and first-chaired a trial. Ali graduated from the University of Virginia and the George Washington University Law School, where he served as managing editor of the George Washington Law Review.

Contact Ali: anaini@aarp.org

Lauren Naylor

Lauren Naylor is an attorney at AARP Foundation. Previously, she spent seven years at a plaintiff-side employment law firm representing federal and private sector employees in complex discrimination and retaliation matters. Lauren has represented employees before administrative bodies, including the Equal Employment Opportunity Commission as well as in state and federal courts. She holds a bachelor’s degree in political science and public administration from Rhode Island College and earned her law degree from George Washington University Law School, where she received the Ogden W. Fields Graduate Award for Excellence in Labor Law.

Contact Lauren: lnaylor@aarp.org

Julie Nepveu

Julie Nepveu is a senior lead attorney at AARP Foundation. In her role, she advances the interests of older people nationwide in the areas of access to courts, consumer protection, mortgage and reverse mortgage servicing and foreclosure defense, fair housing, disability rights, and public utilities. Her work includes litigating cases, filing amicus briefs, drafting comments on proposed federal regulation and legislation, and providing support to AARP state office staff. Julie previously worked as staff attorney at the Lawyers’ Committee for Civil Rights Under Law in the Housing and Community Development Project. Prior to that, she represented subsidized tenants with low income at Legal Services of Northern Virginia. She also served as a judicial law clerk at the U.S. Claims Court to the Hon. Thomas J. Lydon. Julie earned her bachelor’s degree from the University of Vermont and her law degree from the University of Maine School of Law. 

Contact Julie: jnepveu@aarp.org

Rebecca Rodgers

Rebecca Rodgers is a senior lead attorney at AARP Foundation. Previously, she spent 10 years at Disability Rights Advocates, where she litigated complex disability rights class actions related to access to health care, emergency preparedness, transportation, and public programs and services. Her representative cases include lawsuits against the Metropolitan Transportation Authority that challenged their failure to make the New York City subway system accessible for people with mobility disabilities. Rebecca received her law degree from George Washington University Law School and her bachelor’s degree in art history from George Washington University. 

Contact Rebecca: rrodgers@aarp.org

Stefan Shaibani

Stefan Shaibani is a lead attorney at AARP Foundation. Previously, he operated a solo and small firm practice for 16 years representing plaintiffs in automobile negligence, premises liability, first-party insurance, and business tort cases in the D.C. metropolitan area. In this capacity, he conducted bench and jury trials, depositions, and mediations, and he worked with expert witnesses in fields such as orthopedics, neurosurgery, neurology, pathology, oncology, vocational rehabilitation, economics, accident reconstruction, and premises security. Stefan has represented many clients who sustained harms and losses, including older adults with low income and people experiencing homelessness, due to negligence of individuals and corporations defended by casualty insurers. Stefan also served as a trial attorney at the U.S. Department of Justice, Commercial Litigation Branch as well as a law clerk at the U.S. Court of Appeals for the Ninth Circuit. He is a graduate of Stanford Law School and Boston University.

Contact Stefan: sshaibani@aarp.org

Sam Wehrle

Samantha (Sam) Wehrle is an attorney at AARP Foundation. Previously, she served as a civil rights and employment fellow at Cohen Milstein Sellers & Toll PLLC, where she challenged discriminatory housing and workplace practices through impact litigation. Prior to that, Sam was a Stanford Law fellow at Disability Rights Maryland, where she provided legal representation to youth with heightened behavioral needs and laid the groundwork for litigation and legislative efforts aimed at preventing youth with disabilities from entering Department of Social Services custody. Sam received her bachelor’s degree, summa cum laude, from the University of Iowa, where she graduated with university honors and honors in philosophy, and earned her law degree with high pro bono distinction from Stanford Law School, where she was integrally involved in numerous law student organizations, including the SLS First Generation Professionals (academic chair, mentor, cofounder), Law Students for Disability Rights (co-president), and Stanford’s Social Security Disability Pro Bono Project (student director). Sam was named one of D.C.’s “Top 40 Under 40” by The National Trial Lawyers.

Contact Sam: swehrle@aarp.org

Mary William

Mary William is an attorney at AARP Foundation. Previously, she worked as a housing attorney, providing direct client services at both the Neighborhood Legal Services Program in Washington, D.C., and Mid-Minnesota Legal Aid in Minneapolis. She has represented defendants in eviction cases concerning non-payment of rent and lease breaches. Mary also litigated affirmative cases on behalf of tenants who were locked out of their homes or seeking repairs. Prior to her work in housing litigation, Mary was an attorney at Rainbow Health (then known as JustUs Health) in St. Paul, Minnesota, where she represented clients appealing the denial of Social Security benefits. She received a bachelor’s degree in international relations from the University of Rochester and a law degree from the University of Minnesota Law School.

Contact Mary: mwilliam@aarp.org

Vickie Williamson

Victoria (Vickie) Williamson is a lead attorney at AARP Foundation with over two decades of experience as a litigator. She began her career at a legal services organization in New York City that represented people who were HIV positive and had low income on an array of issues, including housing, immigration and benefits. Later Vickie represented tenants, including domestic partners and people with disabilities, seeking to retain protected status in their apartments under the rent stabilization and rent control laws of New York City. During the last 20 years, Vickie’s career has focused on protecting workers’ rights, representing private sector, federal sector and congressional employees in matters involving discrimination, harassment and retaliation. She has litigated matters in an array of venues, including administrative agencies, federal agencies, state and federal courts across the country, and the Office of Congressional Workplace Rights. Immediately prior to joining AARP Foundation, Vickie served as a partner at a plaintiff-side employment law practice. She also provides volunteer legal services with frequency at Pandemic Legal, where she represents people who developed COVID-related disabilities, and the Legal Network for Gender Equity, an arm of the National Women’s Law Center. Vickie is on the Board for First Shift Justice Project, an organization that protects the rights of working parents in the DMV area and is an active member of the National Employment Lawyers Association and the Metropolitan Washington Lawyers Association. She received her bachelor’s degree from Florida International University and her law degree from the City University of New York School of Law.

Contact Vickie: vwilliamson@aarp.org

David Yellin

David Yellin is a lead attorney at AARP Foundation with over a decade of litigation experience. Most recently, David spent six years working at Rising for Justice, where he provided direct representation to hundreds of clients facing eviction and housing insecurity in the District of Columbia. As the director of the Housing Advocacy and Litigation Clinic, he taught clinical students at Georgetown Law School, the George Washington University Law School, and the University of the District of Columbia Law School. David also has worked on a variety of complex civil matters and white-collar criminal defense matters at a litigation boutique in D.C. and at Fried, Frank, Harris, Shriver & Jacobson LLP in New York. In addition, he served as an adjunct professor at the University of Maryland Francis King Carey School of Law. David spent two years clerking for Judge Paul W. Grimm in the U.S. District Court for the District of Maryland. He received his bachelor’s degree, magna cum laude, from Colgate University, a master’s degree with honors in comparative politics from the London School of Economics and Political Science, and his law degree, magna cum laude, from Georgetown University Law Center. 

Contact David: dyellin@aarp.org

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2026 Supreme Court Preview

 

The Supreme Court often hears cases affecting the lives of people over 50. Read our review of key cases coming before the Court this year and likely to come in the future.