Global Head of Privacy and Product Counsel

NextRoll

Sarah leads cross-functional efforts with product, engineering, and data science teams to maintain a robust, company-wide privacy program while supporting the development of AI-powered ad tech products. As targeted advertising faces increasing privacy scrutiny, Sarah’s team has helped operationalize compliance with evolving global privacy laws. Before joining NextRoll, Sarah was outside counsel at Greenberg Traurig and Weil, Gotshal & Manges, focusing on intellectual property and e-commerce litigation.

Founder & CEO

ThinkMedium

Dennis has worked in digital advertising for 20+ years. He is a product-oriented leader who has led organizations to develop demand-side platforms, ad exchanges, targeting systems, identity solutions, measurement platforms, and more. In 2023, he founded advisory firm ThinkMedium to help ads and media clients navigate shifts in privacy and data strategy, safety, and efficiency. He was previously a VP at Meta, in a role that built on his tenure as CEO of advertising technical standards body IAB Tech Lab and his prior ad tech product/business leadership experience at Yahoo and Microsoft.

Partner

Hintze Law

Sam is based in Seattle where he is a partner with Hintze Law, an AI, privacy, and security law firm. Sam regularly helps clients to establish, scale, and right-size privacy programs. Sam is approaching two decades of experience as a privacy leader and lawyer. He previously worked as chief privacy officer for global fintech Blackhawk Network, and as head of privacy for Nordstrom.  

Outside Counsel Privacy Adviser

Eyeota

Alan Chapell has worked with dozens of premium adtech and martech companies as an outside counsel and privacy advisor. Alan began his career at a boutique direct marketing agency in Connecticut. In 1996, he founded the privacy program at Jupiter Research, an Internet research firm. After, Alan helped develop DoubleClick’s research product suite and founded Chapell & Associates in October of 2003.

Chief Privacy Officer

Agilent Technologies

Joyce currently serves as Chief Privacy Officer and Associate Vice President of Privacy, Data Protection, and AI, at Agilent Technologies.  She built and led the privacy programs at Nova Credit and Pendo.io, including as their Data Privacy Officer, before serving as Global Data Protection Officer at Foursquare.  Previously, she was the go-to product counsel for Meta's integrity teams developing automated decision-making to protect elections integrity and combat offline harms, and Snap's core camera teams developing computer vision and virtual reality technologies all powered by machine learning.

Founder & CEO

mePrism

Tom Daly is the founder and CEO of mePrism, a platform that helps users manage, protect, and monetize their personal data. Before launching mePrism in 2019, Daly built a career in the financial sector, holding leadership roles at firms like Salomon Brothers, Deutsche Bank, and MUFG. His background in institutional fixed income gave him a deep understanding of data and its implications, which he brought to the tech world. Daly’s vision is to return control of personal data to consumers, making mePrism a notable force in the data privacy space.

VP, Product

InfoSum

Devon has over 15 years of experience helping the world’s top brands, agencies, publishers, platforms, and walled gardens build better and safer data-driven strategies that drive real results. At Infosum, Devon is responsible for bringing next-generation data collaboration and clean room solutions to market that provide superior connectivity, privacy, and security. Prior to InfoSum, Devon led product marketing teams at Transunion, Curalate, PointRoll and other marketing and advertising organizations.

Partner

ZwillGen, PLLC

Ken Dreifach sits on the NAI board on behalf of AdRoll, the retargeting and prospecting platform. Since 2000, Ken has served in a variety of high-profile roles in the digital advertising landscape: as a regulator, General Counsel and Chief Privacy Officer, and currently as outside counsel to numerous NAI members and other web-based, mobile, and data services companies.

Vice President & General Counsel

The NAI

Tony is an experienced privacy lawyer specializing in digital advertising and media issues. Most recently, he served as Assistant General Counsel at the Interactive Advertising Bureau (IAB), where he played a pivotal role in coordinating with stakeholders across the digital advertising industry to develop state law compliance frameworks and strategies.

President & CEO

The NAI

As President & CEO of the NAI, Leigh Freund leads the organization’s growth and helps set their agenda and strategic priorities. Leigh joined the NAI in 2015 after an 11-year career at AOL Inc., where she served as Vice President & Chief Counsel for Global Public Policy. Leigh is a passionate believer in firm self-regulation.

Chief Privacy Officer

Magnite

Rachel’s focus is on appropriate data collection and use in advertising technologies, data management and optimization, compliance with privacy laws and regulations, and data privacy education. She is responsible for Magnite’s overall compliance with various data privacy laws and regulations including the GDPR and emerging US laws. She has 15 years’ experience in digital marketing where she began her career by overseeing paid search and social media campaigns across a variety of clients and verticals. She has worked with the Office of the NY AG – Internet Bureau, Wunderman Thompson, Nielsen, and with the ESRB Privacy Certified.

Partner

Frankfurt Kurnit Klein & Selz PC

Daniel is Chair of the Data Strategy, Privacy & Security Group. The California Lawyers Association named him the 2025 “California Privacy Lawyer of the Year,” an annual award recognizing one lawyer’s outstanding contributions to California privacy law—making him only the third recipient and first private practitioner to receive it.

Deputy Assistant Attorney General

Department of Justice

Mark Hamer serves as Deputy Assistant Attorney General with a focus on civil litigation and enforcement. He has over 30 years of litigation experience in both public service and private practice.  Before returning to the Division, Mr. Hamer was a partner at a global law firm where he served as Global Chair of its Antitrust & Competition Practice Group, leading a team of over 250 competition lawyers in 43 countries. In private practice, he focused on antitrust litigation and antitrust conduct investigations around the world. Mr. Hamer previously served as a trial attorney in the Antitrust Division for 7 years handling both merger and non-merger litigation.

Senior Director, Government Affairs & Public Policy, Ads

Google

Ghita leads a team of public policy experts dedicated to supporting Google’s Ads and Commerce businesses. She has over 20 years of legal and policy experience with particular expertise in digital advertising, privacy and technology. Prior to joining Google, Ghita was the Chief Privacy Officer and VP of Legal at Quantcast. She has also worked at Yahoo, in private practice, and in U.S. Federal District Court. Ghita has a JD, Magna Cum Laude, from Georgetown University Law Center and a B.A. in Mass Communications, Summa Cum Laude, from James Madison University.

Legislative Advocate

Shaw Yoder Antwih Schmelzer Lange

Dylan advises a range of clients on matters before the California Legislature and state agencies. Prior to joining the firm, Dylan served as the California Executive Director for TechNet where he specialized in technology policy including artificial intelligence, data privacy, and online platform regulation. 

Faculty Director & Professor of Law in Residence

Berkeley Center for Law & Technology

Chris Jay Hoofnagle teaches torts, cybersecurity, consumer protection, python programming, and seminars on new technologies at the University of California, Berkeley School of Law. Hoofnagle is of counsel to Gunderson Dettmer Stough Villeneuve Franklin & Hachigian, LLP, and an elected member of the American Law Institute. In Spring 2024, Hoofnagle was Visiting Senior Research Fellow in the Department of War Studies, King’s College London.

Founder & CEO

Aqfer

Dan has provided strategic, tactical and technology advisory services to a wide range of marketing technology and big data companies. Clients have included Altiscale, ShareThis, and Akamai among many others. As a serial entrepreneur, Dan has led many companies in CEO and CTO roles including TACODA who was purchased by AOL in 2007 along with Permissus, CMGI and Engage. Dan graduated magna cum laude with a BA in Astronomy and Astrophysics and Physics from Harvard University.

Partner

Davis+Gilbert

Gary provides direction to clients engaging in new technologies. His deep knowledge of privacy and data security issues makes him a sought-after counselor to companies in the technology, e-commerce, financial services and employment sectors as well.

Much of Gary’s time is spent staying current in this fast-paced environment. Whether through his representation of key industry clients, his active involvement in trade associations or his recognized thought leadership, he is deeply immersed in the issues facing tech-forward companies. He co-leads a team focused on the CCPA, GDPR, and other enacted and pending state and federal legislation, as well as self-regulatory regimes.

CSO and Co-Founder

Symitri

David is a seasoned entrepreneur with over 30 years of experience in senior strategy, operations and technology roles, David is an outspoken advocate for higher standards in digital advertising and a well-respected voice on consumer privacy and data protection.

Vice President, Public Policy

The NAI

David works closely with member companies and represents the industry to promote a strong and responsible adtech industry. David is a veteran of IT and public affairs, with extensive experience representing technology companies before the United States Congress, federal regulatory agencies, and state legislatures.

Chief Privacy & Security Partner; Chair, Privacy, Security & Data Innovations

Loeb&Loeb LLP

Jessica helps companies in the U.S. and around the world launch, market and monetize their digital products and content. She has assisted dozens of organizations design their privacy programs and operationalize U.S. and international privacy and data security requirements. Jessica has deep experience advising companies in the adtech, e-commerce, and entertainment space, as well as clients in more heavily regulated sectors, such as healthcare and financial services. Named one of Crain’s Notable Women in Law for 2019, Jessica is routinely called upon to speak on privacy and cybersecurity.

Senior Manager, Government Affairs and Public Policy, Ads

Google

Ari has spent the last 20 years working for technology companies, focusing specifically on privacy, global compliance, data protection and policy. Prior to Google, Ari was Chief Privacy Officer for a number of digital ads and AI companies including Quantcast, Sizmek and Rocket Fuel. Ari holds a BA from the University of California at Santa Cruz, and a Master’s degree from the University of Southern California. He served as an NAI board member for 5 years and was co-Chair of IAB Europe’s Transparency and Consent Framework Task Force, which he helped to create. Ari has published extensively on public policy related to digital privacy, and holds several ad fraud and abuse prevention technology patents.

Partner

Davis Wright Tremaine LLP

Nancy is a partner at Davis Wright Tremaine in Washington, D.C., where she chairs the Privacy & Security practice.  Nancy counsels clients in a variety of industries – including technology, energy, retail, media, financial services, and entertainment – on legal and policy issues related to data privacy, security and AI.  She previously was chief privacy officer of the US Department of Justice and was counsel to then-Senator Joe Biden on the Senate Judiciary Committee.  

Associate

Mariner Strategies

Willy is an Associate at Mariner Strategies, the nation’s leading state tech policy firm, where he leads legislative advocacy on privacy, AI, and consumer protection. He drafts legislation, provides testimony, and advises on regulatory strategy across the U.S. A Fellow of Information Privacy (FIP), he brings global compliance experience to shape laws that balance innovation, accountability, and consumer trust.

GM Public Sector & Gov Affairs

LiveRamp

Noel is SVP and General Manager of Public Sector and Government Affairs at LiveRamp. He leads strategic initiatives at the intersection of privacy, data collaboration, and public policy—bringing expertise on clean room adoption, secure multi-party computation, and privacy-enhancing technologies.

Partner

Willkie Farr & Gallagher

Susan Rohol is a partner in Willkie’s Privacy, Cybersecurity & Data Strategy and AI & Emerging Technologies practice groups. She is based in Willkie’s Los Angeles and New York offices. Susan’s practice is focused on advising clients on legal issues and regulations spanning technology, privacy, cybersecurity, artificial intelligence, intellectual property, regulatory investigations and global government affairs.  She is formerly the Chief Privacy Officer of Warner Bros Discovery and has previously worked at Nike and on the Senate Judiciary Committee.

Chief Privacy Officer

OpenX

Julie is the Chief Privacy Officer and Deputy General Counsel at OpenX, leading the company’s efforts to navigate global privacy regulations and maintain industry leadership in data privacy and compliance. With extensive expertise in complex regulatory frameworks, she ensures OpenX continues to drive privacy-first solutions that enable smarter, more effective advertiser, publisher, and ultimately consumer connections.

Partner, Privacy & Cybersecurity

Wilson Sonsini Goodrich & Rosati

Tracy is a partner in Wilson Sonsini’s San Francisco office, where she advises on data privacy issues and defends companies in government investigations. Tracy previously worked as attorney at the FTC in Washington DC, where she brought enforcement actions related to online advertising and consumer privacy; helped create principles for industry self-regulation; and led the FTC’s first enforcement action involving targeted advertising. After her government service, Tracy worked as in-house advertising and privacy counsel for a large technology company.

COO & EVP, Product

IAB TechLab

Shailley leads the development of industry standards and open source software, compliance management and industry working groups collaboration for privacy, Addressability and PETs, programmatic supply chain, Connected TV and Measurement initiatives. He has been focused on digital advertising most recently working at Yahoo managing mobile advertising products. Shailley has a diverse background as a product leader, consultant, and entrepreneur building and sustaining high performing teams at both large organizations as well as venture funded startups.

Partner

Kelley Drye

Laura has extensive experience in consumer privacy, data security, and advertising law. A former FTC assistant director, Laura advises clients on compliance with privacy and cybersecurity regulations and represents them in FTC and State AG investigations. Laura’s in-depth government experience enables her to develop effective strategies that address regulatory priorities while protecting clients' business interests.

CEO

SuperSet

Zane is a technologist and serial entrepreneur with 10 years of experience building tools for data sovereignty. After selling his previous data startup, he founded Superset, privacy compliance management software provider specializing in the compliance pains of data brokers.

COO

Quantcast