Photo of Jena M. Valdetero

Jena M. Valdetero

Jena M. Valdetero serves as Co-Chair of the firm’s U.S. Data Privacy and Cybersecurity Practice, and is a trusted advisor to clients facing complex and high-stakes data privacy and security challenges. With a track record of leading thousands of data breach investigations for more than 20 years, Jena combines her broad litigation experience with a deep understanding of the evolving privacy landscape to protect her clients’ interests. She is highly skilled in defending companies in privacy and data breach litigation, particularly class actions, and is proactive in helping clients prepare for incidents by designing and facilitating customized tabletop exercises.

Jena offers practical, results-driven counsel on data privacy and security compliance programs and guides clients through privacy and cyber risk considerations in mergers, acquisitions, venture capital, and securities transactions. Her experience spans a wide range of privacy laws, including the General Data Protection Regulation (GDPR), the California Consumer Privacy Act (CCPA), the Gramm Leach Bliley Act (GLBA), and the Health Insurance Portability and Accountability Act (HIPAA). Certified as a privacy professional through the International Association of Privacy Professionals (CIPP/US),  Jena provides clients with actionable insights on both current and emerging privacy regulations. She previously served as KnowledgeNet Co-Chair for the International Association of Privacy Professionals, further reflecting her leadership in the field. Jena is a founding board member of the Chicago Compassion Project, a nonprofit supporting low-income families in Chicago.

Jena has been recognized by Chambers USA as a leading privacy and data security lawyer, with clients praising her “very deep knowledge of subject matter” and calling her “extremely responsive and business-minded.” She is trusted for her “great strategic advice” and practical approach to complex data privacy issues, with one client saying, “I’d unequivocally recommend her to anybody with any kind of privacy or data breach concerns.”

Follow:Read more about Jena M. ValdeteroJena's Linkedin Profile

On Oct. 15, 2026, Greenberg Traurig Poland will host WHEN THE BREACH HITS: Legal and Business Leaders Cyber Incident Response Forum in Warsaw, bringing together senior legal, business, cybersecurity, risk, and crisis management professionals to explore the realities of responding to cyber incidents.

Designed as a highly practical program, the forum will examine real-world cyber…

Drawing on lessons learned from thousands of incident responses, this GT Advisory examines the most common and consequential mistakes organizations make when responding to a data breach. From lack of preparation to missteps in customer notification, understanding these pitfalls is the first step toward a more effective response.
Continue Reading Cyber Incident Response: 10 Lessons Learned from Thousands of Breaches

The last remaining provisions of the amendments to the New York Department of Financial Services’ (DFS) cybersecurity regulation called Part 500 came into effect Nov. 1, 2025.…

Continue Reading NYDFS Final Cybersecurity Rules – MFA, Asset Inventory, and Third-Party Risk

Over the past few years, the rate of notable data breaches has risen considerably, and along with that rise has come an increase in class action litigation. In a world where any company can be the next victim of a breach, business leaders and their legal counsel should consider in advance how to protect privilege…

Six months after the SEC’s Cybersecurity Incident Disclosure Rule (SEC Rule) came into force, an April 2024 GT Alert summarized disclosure trends. The GT Alert identified that the companies who filed a mandatory form 8-K disclosing a cybersecurity incident had erred on the side of caution, hedged on whether the materiality threshold had been met…

  1. Even More States Join the Party — By the end of 2024, almost half of all U.S. states had enacted modern data privacy legislation. That trend will likely continue, particularly since a national data privacy statute may not be a top priority for the new administration.
  2. It’s Time for State Enforcement — Several states have
…

On Oct. 22, 2024, the SEC announced settled administrative actions against four current or formerly public technology companies, finding that the companies all made materially misleading disclosures to investors in their periodic filings concerning the impact of the 2020 SolarWinds breach on their businesses. 

Continue reading the full GT Alert.