About
Vaca Daffan is a consumer protection law firm with a focus on holding law violators accountable, finding practical solutions, and achieving meaningful results.
Vaca Daffan is uniquely skilled in consumer protection law. Our clients will benefit from decades of experience getting justice for the public and deep expertise in consumer protection tools: from prohibitions on unfair and deceptive practices to laws governing electronic funds transfers, online shopping, credit reporting, truth in lending, debt collection, and privacy. Over the course of our careers, we have stopped an array of harmful corporate practices and returned millions to consumers.
Meet Our Team
At Vaca Daffan, we bring experience, knowledge, and a strong commitment to client advocacy. We approach each matter with care and with a clear understanding of the broader importance of consumer protection.
Monica Vaca
Founding Partner
Monica Vaca is a 23-year veteran of the FTC. As Deputy Director for the Bureau of Consumer Protection, Monica worked on the full range of matters, from fraud to privacy violations. In other roles, she led initiatives, investigations, and cases against lenders, business opportunity sellers, telemarketers, online scams, and payment processors. Over the course of her career at the FTC, Monica worked to secure hundreds of millions of dollars in refunds to consumers and injunctive relief that ended unlawful conduct. Previously, Monica worked for Legal Aid Chicago as an Equal Justice Fellow in the Women's Law Project, and clerked for Judge John F. Grady in the U. S. District Court for the Northern District of Illinois. Monica is admitted to practice in Illinois (DC admission pending). She is a graduate of the University of Virginia and Northwestern University School of Law.
Kati Daffan
Founding Partner
In her 15-plus years as a litigator, manager, and leader at the FTC, Kati Daffan developed expertise on topics across the agency's consumer protection mission. As Assistant Director in the Division of Marketing Practices, she led litigation and initiatives related to multilevel marketing, deceptive business opportunities, AI-related fraud, illegal repair restrictions, and payment mechanisms used to facilitate scams. Kati also served as Acting Deputy General Counsel of the FTC and was Attorney Advisor to Chairwoman Edith Ramirez. Prior to joining the FTC, Kati was a Skadden Fellow representing low-wage workers at the Lenox Hill Neighborhood House and clerked for Judge Shira A. Scheindlin in the Southern District of New York. She graduated from Princeton University and Columbia Law School, and is admitted to practice law in DC and New York.
What Guides Our Work
We value clarity, integrity, and sound judgment. We believe legal counsel should be practical, responsive, and grounded in a serious commitment to serving those who most need protection under the law.